{"id":113643,"date":"2026-10-07T02:33:08","date_gmt":"2026-10-06T18:33:08","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/113643.html"},"modified":"2026-10-07T02:33:08","modified_gmt":"2026-10-06T18:33:08","slug":"%e5%8f%98%e9%a2%91%e5%99%a8igbt%e9%80%89%e5%9e%8b%e8%ae%a1%e7%ae%97%e4%b8%8erbsoa%e6%a0%a1%e9%aa%8c%e5%b7%a5%e7%a8%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/113643.html","title":{"rendered":"\u53d8\u9891\u5668IGBT\u9009\u578b\u8ba1\u7b97\u4e0eRBSOA\u6821\u9a8c\u5de5\u7a0b\u65b9\u6cd5"},"content":{"rendered":"

\u53d8\u9891\u5668IGBT\u9009\u578b\u8ba1\u7b97\u4e0eRBSOA\u6821\u9a8c\u5de5\u7a0b\u65b9\u6cd5<\/h2>\n

\u57fa\u4e8e\u8d1f\u8f7d\u7279\u6027\u7684IGBT\u7535\u6d41\u5b9a\u989d\u8ba1\u7b97\u4e0e\u964d\u989d\u8bbe\u8ba1<\/h3>\n

IGBT \u7684\u7535\u6d41\u5b9a\u989d\u4e0d\u662f\u300c\u53d8\u9891\u5668\u989d\u5b9a\u7535\u6d41 \u00d7 \u67d0\u4e2a\u7cfb\u6570\u300d\u8fd9\u4e48\u7b80\u5355\u3002\u5931\u6548\u7269\u7406\u7684\u89d2\u5ea6\u770b，\u9650\u5236\u5bff\u547d\u7684\u662f\u7ed3\u6e29 T_j \u4e0e\u529f\u7387\u5faa\u73af，\u800c T_j \u7531\u5bfc\u901a\u635f\u8017\u4e0e\u5f00\u5173\u635f\u8017\u5171\u540c\u51b3\u5b9a；\u4e24\u8005\u90fd\u968f\u7535\u6d41\u975e\u7ebf\u6027\u4e0a\u5347，\u4e14\u5f00\u5173\u635f\u8017\u4e0e f_sw \u6210\u6b63\u6bd4\u3002\u56e0\u6b64\u9009\u578b\u57fa\u51c6\u5fc5\u987b\u540c\u65f6\u643a\u5e26\u7535\u6d41\u3001\u8fc7\u8f7d\u500d\u6570\u4e0e f_sw \u4e09\u4e2a\u7ef4\u5ea6\u3002<\/p>\n

1. \u7535\u6d41\u5b9a\u989d\u57fa\u51c6\u503c\u7684\u8ba1\u7b97<\/h4>\n

\u4ee5\u53d8\u9891\u5668\u989d\u5b9a\u8f93\u51fa\u7535\u6d41 I_n \u4e3a\u51fa\u53d1\u70b9，\u5b9a\u4e49\u8fc7\u8f7d\u500d\u6570 OL（\u884c\u4e1a\u5e38\u89c1 150% 60 s\u3001180% 3 s \u7b49\u6863\u4f4d，\u9700\u5199\u660e\u6301\u7eed\u65f6\u95f4\u4e0e\u73af\u5883\u6e29\u5ea6\u524d\u63d0），\u5219 IGBT \u9700\u627f\u53d7\u7684\u5cf0\u503c\u76f8\u7535\u6d41\u4e3a：<\/p>\n

I_peak = OL \u00d7 I_n<\/p>\n

\u8003\u8651 PWM \u8c03\u5236\u4e0b\u76f8\u7535\u6d41\u4e3a\u4ea4\u6d41\u91cf，\u800c\u6570\u636e\u624b\u518c\u7684 I_C_nom \u662f\u76f4\u6d41（\u58f3\u6e29 T_c \u4e0e\u7ed3\u6e29\u4e0a\u9650\u7ed9\u5b9a\u6761\u4ef6\u4e0b\u7684\u6807\u79f0\u503c），\u9700\u505a\u4ea4\u6d41\u6298\u7b97\u3002\u542b\u96c6\u80a4\u6548\u5e94\u4e0e\u90bb\u8fd1\u6548\u5e94\u4fee\u6b63\u7684\u6298\u7b97\u5f0f：<\/p>\n

I_C_nom \u2265 k_ac \u00d7 k_d \u00d7 k_f \u00d7 I_peak \/ k_sw<\/p>\n

\u5176\u4e2d k_ac \u4e3a\u4ea4\u6d41\u6298\u7b97\u7cfb\u6570（\u6b63\u5f26\u7535\u6d41\u4e0b I_rms \u4e0e\u7b49\u6548\u76f4\u6d41\u7535\u6d41\u4e4b\u6bd4，\u5de5\u7a0b\u4e0a\u5e38\u53d6 1.05～1.15，\u4e0e f_sw\u3001\u5bfc\u4f53\u622a\u9762\u6709\u5173），\u653e\u5728\u9700\u6c42\u4fa7\u505a\u4e58\u6cd5：\u4ea4\u6d41\u6548\u5e94\u8d8a\u5f3a，\u6240\u9700\u7535\u6d41\u5b9a\u989d\u8d8a\u5927；k_sw \u4e3a\u5f00\u5173\u635f\u8017\u5f15\u8d77\u7684\u964d\u989d\u7cfb\u6570（f_sw \u4ece 4 kHz \u5347\u5230 10 kHz \u65f6，\u8be5\u7cfb\u6570\u901a\u5e38\u843d\u5728 0.75～0.90 \u533a\u95f4，\u9700\u6309\u6570\u636e\u624b\u518c E_on\/E_off \u66f2\u7ebf\u53cd\u63a8），k_sw < 1 \u8868\u793a\u5f00\u5173\u635f\u8017\u4e0a\u5347\u4f7f\u53ef\u7528\u76f4\u6d41\u7535\u6d41\u5b9a\u989d\u6309\u6bd4\u4f8b\u4e0b\u964d，\u56e0\u6b64\u5728\u5206\u6bcd\u4e0a\u4ee5\u9664\u6cd5\u5f62\u5f0f\u4f53\u73b0\u964d\u989d；k_d \u4e3a\u8d1f\u8f7d\u7279\u6027\u964d\u989d\u7cfb\u6570，\u89c1\u4e0b\u8868；k_f \u4e3a\u5197\u4f59\u88d5\u5ea6，\u5de5\u7a0b\u4e0a\u5e38\u53d6 1.1～1.3\u3002<\/p>\n

2. \u4e09\u7c7b\u8d1f\u8f7d\u7684\u964d\u989d\u7cfb\u6570<\/h4>\n\n\u8d1f\u8f7d\u7c7b\u578b\u5178\u578b\u5de5\u51b5k_d \u63a8\u8350\u8303\u56f4\u8bf4\u660e<\/tr>\n\n\n\n\n
\u6052\u8f6c\u77e9<\/td>\n\u4f20\u9001\u5e26\u3001\u6324\u51fa\u673a\u3001\u6405\u62cc<\/td>\n1.2～1.5<\/td>\n\u5168\u901f\u57df\u7535\u6d41\u57fa\u672c\u6052\u5b9a，\u70ed\u8d1f\u8377\u6301\u7eed<\/td>\n<\/tr>\n
\u5e73\u65b9\u8f6c\u77e9<\/td>\n\u98ce\u673a\u3001\u6c34\u6cf5<\/td>\n1.0～1.2<\/td>\n\u4f4e\u901f\u6bb5\u7535\u6d41\u5c0f，\u53ef\u9002\u5ea6\u653e\u5bbd<\/td>\n<\/tr>\n
\u6052\u529f\u7387<\/td>\n\u5377\u7ed5\u3001\u673a\u5e8a\u4e3b\u8f74<\/td>\n1.3～1.6<\/td>\n\u9ad8\u901f\u6bb5\u5f31\u78c1\u3001\u7535\u6d41\u4e0a\u5347\u660e\u663e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8d1f\u8f7d\u51b2\u51fb\u4f1a\u5e26\u6765\u7ed3\u6e29\u6ce2\u52a8\u5e45\u503c \u0394T_j \u7684\u653e\u5927\u3002\u82e5\u8d1f\u8f7d\u5b58\u5728\u5468\u671f\u6027\u51b2\u51fb（\u5982\u538b\u94f8\u673a\u3001\u7834\u788e\u673a），k_d \u9700\u5728\u4e0a\u8868\u57fa\u7840\u4e0a\u518d\u4e58\u51b2\u51fb\u7cfb\u6570 1.3～1.8，\u5177\u4f53\u53d6\u503c\u4e0e\u51b2\u51fb\u6301\u7eed\u65f6\u95f4\u3001\u5360\u7a7a\u6bd4\u3001\u6563\u70ed\u5668\u70ed\u963b\u76f8\u5173\u3002<\/p>\n

3. RBSOA \u6821\u9a8c<\/h4>\n

\u6570\u636e\u624b\u518c\u7684 RBSOA（\u53cd\u5411\u504f\u7f6e\u5b89\u5168\u5de5\u4f5c\u533a）\u7ed9\u51fa\u5173\u65ad\u77ac\u95f4 I_CM \u4e0e V_CE \u7684\u5141\u8bb8\u8fb9\u754c\u3002\u6821\u9a8c\u65f6\u9700\u8003\u8651\u6bcd\u7ebf\u7535\u538b\u6ce2\u52a8 \u00b110% \u4e0e\u529f\u7387\u56de\u8def\u6742\u6563\u7535\u611f L_\u03c3（\u6bcd\u6392\u3001\u7535\u5bb9\u3001\u6a21\u5757\u5185\u90e8\u6742\u6563\u7535\u611f\u4e4b\u548c，\u7b26\u53f7\u4e0e\u5168\u6587\u7edf\u4e00）\u5f15\u8d77\u7684\u5173\u65ad\u8fc7\u538b：<\/p>\n

V_CE_peak = 1.1 \u00d7 V_dc + L_\u03c3 \u00d7 (dI\/dt)<\/p>\n

\u5176\u4e2d V_dc \u4e3a\u6807\u79f0\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b（380 V \u673a\u578b\u7ea6 540 V，690 V \u673a\u578b\u7ea6 980 V \u91cf\u7ea7），dI\/dt \u7531\u9a71\u52a8\u7535\u963b\u4e0e\u95e8\u6781\u7535\u8377\u51b3\u5b9a，\u5de5\u7a0b\u4e0a\u5e38\u89c1 2000～6000 A\/\u00b5s\u3002L_\u03c3 \u5305\u62ec\u6bcd\u6392\u3001\u7535\u5bb9\u3001\u6a21\u5757\u5185\u90e8\u6742\u6563\u7535\u611f\u4e4b\u548c，\u7d27\u51d1\u6bcd\u6392\u8bbe\u8ba1\u4e0b\u901a\u5e38\u843d\u5728 20～60 nH \u91cf\u7ea7\u3002\u82e5 V_CE_peak \u8d85\u51fa RBSOA \u8fb9\u754c，\u9700\u589e\u5927\u9a71\u52a8\u7535\u963b\u3001\u52a0\u7f13\u51b2\u7535\u5bb9\u6216\u964d\u4f4e L_\u03c3\u3002<\/p>\n

4. \u5e76\u8054\u6a21\u5757\u7684\u5747\u6d41<\/h4>\n

\u5e76\u8054\u4f7f\u7528\u65f6，\u9759\u6001\u5747\u6d41\u53d6\u51b3\u4e8e V_CE(sat) \u7684\u4e00\u81f4\u6027\u3002V_CE(sat) \u5177\u6709\u8d1f\u6e29\u5ea6\u7cfb\u6570（\u4f4e\u538b\u533a）\u4e0e\u6b63\u6e29\u5ea6\u7cfb\u6570（\u9ad8\u538b\u533a）\u7684\u62d0\u70b9，\u62d0\u70b9\u7535\u6d41 I_knee \u662f\u7b5b\u9009\u914d\u5bf9\u7684\u5173\u952e\u5224\u636e：\u5e76\u8054\u6a21\u5757\u7684 V_CE(sat) \u79bb\u6563\u5ea6\u5e94\u63a7\u5236\u5728 5%～10% \u4ee5\u5185，\u4e14\u5de5\u4f5c\u70b9\u5c3d\u91cf\u907f\u5f00\u8d1f\u6e29\u5ea6\u7cfb\u6570\u533a，\u5426\u5219\u70ed\u5931\u63a7\u98ce\u9669\u4e0a\u5347\u3002\u52a8\u6001\u5747\u6d41\u4e3b\u8981\u53d7\u9a71\u52a8\u56de\u8def\u5bf9\u79f0\u6027\u5f71\u54cd，\u95e8\u6781\u7535\u963b\u3001\u9a71\u52a8\u8d70\u7ebf\u957f\u5ea6\u3001\u6a21\u5757\u5e03\u5c40\u7684\u4e0d\u5bf9\u79f0\u4f1a\u653e\u5927\u5f00\u5173\u77ac\u6001\u7684\u7535\u6d41\u504f\u5dee，\u5de5\u7a0b\u4e0a\u9a71\u52a8\u56de\u8def\u5bf9\u79f0\u6027\u5bf9\u52a8\u6001\u5747\u6d41\u7684\u5f71\u54cd\u6743\u91cd\u9ad8\u4e8e\u5668\u4ef6\u672c\u8eab\u53c2\u6570\u3002<\/p>\n

5. \u51b2\u51fb\u8d1f\u8f7d\u7684\u5bff\u547d\u6d88\u8017<\/h4>\n

\u5468\u671f\u6027\u51b2\u51fb\u8d1f\u8f7d\u4e0b，\u5bff\u547d\u6d88\u8017\u53ef\u7528\u70ed\u5faa\u73af\u5e45\u503c \u0394T_j \u4e0e\u5e73\u5747\u7ed3\u6e29 T_jm \u8bc4\u4f30：<\/p>\n

L_f \u221d (\u0394T_j)^(-n) \u00d7 exp(E_a \/ (k \u00d7 T_jm))<\/p>\n

\u5176\u4e2d n \u4e3a\u7ecf\u9a8c\u6307\u6570（\u529f\u7387\u5faa\u73af\u6a21\u578b\u4e2d\u5e38\u53d6 3～5），E_a \u4e3a\u6fc0\u6d3b\u80fd，k \u4e3a\u73bb\u5c14\u5179\u66fc\u5e38\u6570\u3002\u5de5\u7a0b\u4e0a\u66f4\u5b9e\u7528\u7684\u505a\u6cd5\u662f\u8bb0\u5f55\u4e00\u4e2a\u5b8c\u6574\u51b2\u51fb\u5468\u671f\u5185\u7684 T_j \u66f2\u7ebf，\u6309\u96e8\u6d41\u8ba1\u6570\u6cd5\u5206\u89e3\u5faa\u73af，\u518d\u5bf9\u7167\u6570\u636e\u624b\u518c\u7ed9\u51fa\u7684\u529f\u7387\u5faa\u73af\u5bff\u547d\u66f2\u7ebf（N_f vs \u0394T_j）\u9010\u6bb5\u7d2f\u52a0\u3002\u51b2\u51fb\u5de5\u51b5\u4e0b\u7535\u6d41\u5b9a\u989d\u9700\u989d\u5916\u653e\u5927 1.3～1.8 \u500d，\u5177\u4f53\u53d6\u503c\u4e0e\u51b2\u51fb\u5360\u7a7a\u6bd4\u3001\u6563\u70ed\u5668\u70ed\u5bb9\u3001\u73af\u5883\u6e29\u5ea6\u76f4\u63a5\u76f8\u5173\u3002<\/p>\n

6. \u5e38\u89c1\u8bef\u533a<\/h4>\n
    \n
  • \u53ea\u6309 I_n \u9009\u578b\u3001\u5ffd\u7565 OL \u4e0e f_sw，\u5bfc\u81f4\u9ad8\u8f7d\u6ce2\u4e0b\u70ed\u88d5\u5ea6\u4e0d\u8db3\u3002<\/li>\n
  • \u5ffd\u7565\u4ea4\u6d41\u6298\u7b97，\u628a I_rms \u76f4\u63a5\u5f53\u4f5c I_C_nom \u6bd4\u5bf9\u3002<\/li>\n
  • \u5e76\u8054\u65f6\u53ea\u770b V_CE(sat) \u6807\u79f0\u503c\u3001\u4e0d\u770b\u79bb\u6563\u5ea6\u4e0e\u6e29\u5ea6\u7cfb\u6570\u62d0\u70b9\u3002<\/li>\n
  • \u51b2\u51fb\u8d1f\u8f7d\u4e0b\u4ecd\u6309\u7a33\u6001\u964d\u989d\u7cfb\u6570\u9009\u578b，\u672a\u505a\u70ed\u5faa\u73af\u5bff\u547d\u6821\u6838\u3002<\/li>\n
  • \u6bcd\u7ebf\u7535\u538b\u6ce2\u52a8\u4e0e\u6742\u6563\u7535\u611f\u672a\u7eb3\u5165 RBSOA \u6821\u9a8c，\u7559\u5230\u73b0\u573a\u624d\u66b4\u9732\u8fc7\u538b\u95ee\u9898\u3002<\/li>\n<\/ul>\n

    \u76f4\u6d41\u6bcd\u7ebf\u7535\u538b\u6ce2\u52a8\u4e0b\u7684IGBT\u7535\u538b\u5b9a\u989d\u9009\u62e9\u4e0e\u7edd\u7f18\u914d\u5408<\/h3>\n

    IGBT \u7684 V_CES \u4e0d\u662f\u6309\u6807\u79f0\u76f4\u6d41\u7535\u538b\u9009\u7684，\u800c\u662f\u6309\u6574\u673a\u751f\u547d\u5468\u671f\u5185\u53ef\u80fd\u51fa\u73b0\u7684\u6700\u9ad8\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b\u52a0\u4e0a\u5c16\u5cf0\u4e0e\u88d5\u91cf\u9009\u7684\u3002\u5de5\u7a0b\u4e0a\u6309\u4e0b\u9762\u4e09\u6b65\u7d2f\u52a0\u3002<\/p>\n

    \u7b2c\u4e00\u6b65：\u7a33\u6001\u6700\u9ad8\u6bcd\u7ebf\u7535\u538b\u3002 \u4e09\u76f8\u8f93\u5165\u7ebf\u7535\u538b\u6709\u6548\u503c\u4e3a V_L \u65f6，\u6574\u6d41\u540e\u7a7a\u8f7d\u6bcd\u7ebf\u76f4\u6d41\u7535\u538b V_DC0 \u2248 \u221a2 \u00d7 V_L；\u8003\u8651\u7535\u7f51\u7535\u538b\u957f\u671f\u6b63\u6ce2\u52a8（\u4f4e\u538b\u914d\u7535\u7f51\u5e38\u89c1 +10%），\u6709 V_DC_max \u2248 \u221a2 \u00d7 V_L \u00d7 1.1\u3002\u4ee5 380 V \u7ebf\u7535\u538b\u4e3a\u4f8b，V_DC_max \u2248 591 V；690 V \u7ebf\u7535\u538b\u5bf9\u5e94\u7ea6 1076 V\u3002\u8fd9\u662f V_CES \u9009\u578b\u7684\u7b2c\u4e00\u5757\u57fa\u51c6\u3002<\/p>\n

    \u7b2c\u4e8c\u6b65：\u518d\u751f\u5de5\u51b5\u62ac\u5347\u3002 \u56db\u8c61\u9650\u8fd0\u884c\u6216\u51cf\u901f\u5236\u52a8\u65f6，\u56de\u9988\u80fd\u91cf\u5148\u5806\u5728\u6bcd\u7ebf\u7535\u5bb9\u4e0a，\u6bcd\u7ebf\u7535\u538b\u4f1a\u9ad8\u4e8e\u7a33\u6001\u503c\u3002\u672a\u914d\u7f6e\u56de\u9988\u5355\u5143\u3001\u4ec5\u9760\u5236\u52a8\u5355\u5143\/\u5236\u52a8\u7535\u963b\u8017\u80fd\u65f6，\u5236\u52a8\u52a8\u4f5c\u9608\u503c\u4e0e\u8fc7\u538b\u8df3\u95f8\u9608\u503c\u4e4b\u95f4\u901a\u5e38\u9884\u7559\u989d\u5b9a\u6bcd\u7ebf\u7535\u538b 15%~20% \u7684\u62ac\u5347\u7a7a\u95f4，\u5373 \u0394V_brake \u53d6 0.15~0.20 \u00d7 V_DC0\u3002\u5feb\u901f\u51cf\u901f\u3001\u5927\u8f6c\u52a8\u60ef\u91cf（\u5982\u5927\u60ef\u91cf\u98ce\u673a\u3001\u6cf5\u7c7b\u673a\u7ec4\u7684\u957f\u51cf\u901f\u8fc7\u7a0b）\u4ee5\u53ca\u4f4d\u80fd\u8d1f\u8f7d\u4e0b\u653e（\u63d0\u5347\u673a\u3001\u5377\u626c\u673a\u7b49\u673a\u6784\u91cd\u7269\u4e0b\u964d）\u5de5\u51b5\u53d6\u4e0a\u9650\u3002\u6bcd\u7ebf\u7535\u538b\u77ac\u65f6\u964d\u4f4e\u65f6\u7684\u4f4e\u7535\u538b\u4fdd\u62a4\u4e0e"\u968f\u538b\u964d\u9891"\u7b56\u7565\u5c5e\u4e8e\u4f4e\u538b\u4fa7\u914d\u5408，\u4e0d\u5f71\u54cd V_CES \u5b9a\u989d，\u4f46\u9700\u4e0e\u5236\u52a8\u9608\u503c\u4e00\u8d77\u5728\u53c2\u6570\u8868\u4e2d\u7559\u51fa\u65f6\u95f4\u88d5\u5ea6\u3002<\/p>\n

    \u7b2c\u4e09\u6b65：\u6362\u6d41\u5c16\u5cf0\u3002 IGBT \u5173\u65ad\u65f6，\u6362\u6d41\u56de\u8def\u6742\u6563\u7535\u611f L_s \u4e0e\u7535\u6d41\u4e0b\u964d\u7387 di\/dt \u4ea7\u751f\u7535\u538b\u5c16\u5cf0 \u0394V_CE = L_s \u00d7 di\/dt\u3002\u53e0\u5c42\u6bcd\u6392\u7ed3\u6784\u4e0b L_s \u5178\u578b\u8303\u56f4 20 nH~80 nH；di\/dt \u7531\u6805\u6781\u7535\u963b\u4e0e\u9a71\u52a8\u80fd\u529b\u51b3\u5b9a，\u5e38\u89c1 3 kA\/\u03bcs~8 kA\/\u03bcs\u3002\u53d6 L_s = 60 nH\u3001di\/dt = 6 kA\/\u03bcs，\u0394V_CE \u2248 360 V，\u8bf4\u660e\u5c16\u5cf0\u4e0d\u53ef\u5ffd\u7565，\u5fc5\u987b\u9760\u4f4e\u6742\u6563\u6bcd\u6392 + \u7f13\u51b2 + \u95e8\u6781\u7535\u963b\u4e09\u8005\u5171\u540c\u538b\u4e0b\u6765\u3002<\/p>\n

    \u6d77\u62d4\u4fee\u6b63\u3002 2000 m \u4ee5\u4e0a，\u7a7a\u6c14\u7edd\u7f18\u5f3a\u5ea6\u4e0e\u6563\u70ed\u80fd\u529b\u540c\u6b65\u4e0b\u964d：\u7535\u538b\u964d\u989d\u7cfb\u6570\u901a\u5e38\u6309\u6bcf\u5347\u9ad8 1000 m \u8ba1 8%~12%，\u7535\u6d41\u964d\u989d\u7cfb\u6570\u540c\u91cf\u7ea7（\u98ce\u51b7\u673a\u578b\u66f4\u654f\u611f）\u3002\u9ad8\u6d77\u62d4\u5e94\u7528\u9700\u628a V_CES \u5411\u4e0a\u53d6\u4e00\u6863（\u5982 600 V \u7ea7\u6bcd\u7ebf\u7531 1200 V \u6863\u5347\u81f3 1700 V \u6863），\u5e76\u540c\u6b65\u6838\u7b97\u6563\u70ed\u5668\u4e0e\u98ce\u91cf\u3002<\/p>\n

    \u7535\u538b\u7b49\u7ea7\u5bf9\u6bd4\u51b3\u7b56<\/p>\n\n\u5bf9\u6bd4\u98791200 V \u68631700 V \u6863<\/tr>\n\n\n\n\n\n\n
    \u5bfc\u901a\u538b\u964d V_CE(sat)<\/td>\n\u8f83\u4f4e，\u5bfc\u901a\u635f\u8017\u5360\u4f18<\/td>\n\u8f83\u9ad8，\u540c\u7535\u6d41\u4e0b\u5bfc\u901a\u635f\u8017\u504f\u5927<\/td>\n<\/tr>\n
    \u5f00\u5173\u635f\u8017 E_on\/E_off<\/td>\n\u8f83\u4f4e<\/td>\n\u8f83\u9ad8（\u82af\u7247\u539a\u5ea6\u4e0e\u62d6\u5c3e\u7535\u6d41\u589e\u52a0）<\/td>\n<\/tr>\n
    \u5c16\u5cf0\u88d5\u91cf<\/td>\n\u7d27，\u9700\u4e25\u683c\u63a7 L_s \u4e0e di\/dt<\/td>\n\u5bbd，\u6297\u6270\u5f3a<\/td>\n<\/tr>\n
    \u6563\u70ed\u4e0e\u6210\u672c<\/td>\n\u4f4e<\/td>\n\u9ad8<\/td>\n<\/tr>\n
    \u9002\u7528\u5224\u636e<\/td>\n400 V \u7ea7\u3001\u65e0\u9ad8\u6d77\u62d4\u3001\u6bcd\u6392\u5de5\u827a\u6210\u719f<\/td>\n690 V \u7ea7\u3001\u9ad8\u6d77\u62d4\u3001\u957f\u7535\u7f06\u3001\u518d\u751f\u9891\u7e41<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u51b3\u7b56\u6d41\u7a0b：\u5148\u6309\u4e0a\u5f0f\u7b97 V_CES \u9700\u6c42 \u2192 \u82e5\u843d\u5728 1200 V \u6863\u53ef\u7528\u8303\u56f4\u4e14\u5c16\u5cf0\u53ef\u538b\u81f3 V_CES \u7684 80% \u4ee5\u4e0b，\u9009 1200 V；\u5426\u5219\u5347 1700 V\u3002\u6548\u7387\u76ee\u6807\u7d27\u3001\u6563\u70ed\u6210\u672c\u654f\u611f\u65f6\u503e\u5411\u4f4e\u6863；\u53ef\u9760\u6027\u4f18\u5148\u3001\u5de5\u51b5\u6076\u52a3\u65f6\u503e\u5411\u9ad8\u6863\u3002<\/p>\n

    \u8fc7\u7535\u538b\u914d\u5408\u3002 \u8f93\u5165\u4fa7\u64cd\u4f5c\u8fc7\u7535\u538b\u3001\u96f7\u51fb\u611f\u5e94\u8fc7\u7535\u538b\u7ecf\u6574\u6d41\u6865\u4f20\u5bfc\u81f3\u6bcd\u7ebf，\u9700\u5728\u8f93\u5165\u4fa7\u8bbe\u538b\u654f\u7535\u963b\u3001\u6bcd\u7ebf\u4fa7\u8bbe\u94b3\u4f4d\u4e0e\u5438\u6536，\u914d\u5408\u5236\u52a8\u5355\u5143\u9608\u503c\u5206\u7ea7\u52a8\u4f5c\u3002\u6700\u7ec8 V_CES \u5b89\u5168\u88d5\u91cf\u7cfb\u6570\u63a8\u8350 1.3~1.5 \u500d，\u5373 V_CES \u2265 (1.3~1.5) \u00d7 (V_DC_max + \u0394V_brake + \u0394V_CE)\u3002\u7edd\u7f18\u914d\u5408\u6309 GB\/T 30844.1-2024 \u4e0e GB\/T 12668.501-2013 \u7684\u7535\u6c14\u3001\u70ed\u4e0e\u80fd\u91cf\u5b89\u5168\u8981\u6c42\u6267\u884c，\u8bd5\u9a8c\u65b9\u6cd5\u53c2\u7167 GB\/T 30844.2-2024，\u7535\u673a\u4fa7\u7edd\u7f18\u4e0e\u53d8\u9891\u5668\u8f93\u51fa\u5e94\u529b\u7684\u5339\u914d\u6309 GB\/T 21707-2025 \u6821\u6838\u3002<\/p>\n

    \u5f00\u5173\u9891\u7387\u3001\u635f\u8017\u5efa\u6a21\u4e0e\u7ed3\u6e29\u4f30\u7b97\u7684\u5de5\u7a0b\u65b9\u6cd5<\/h3>\n

    IGBT\u6a21\u5757\u7684\u70ed\u5931\u6548\u51e0\u4e4e\u90fd\u6e90\u4e8e\u7ed3\u6e29\u4f30\u7b97\u5931\u771f\u3002\u5de5\u7a0b\u4e0a\u5fc5\u987b\u628a"\u6570\u636e\u624b\u518c\u67e5\u8868"\u5347\u7ea7\u4e3a"\u53ef\u590d\u73b0\u7684\u635f\u8017\u2014\u70ed\u963b\u6297\u6a21\u578b"，\u518d\u7528\u5b9e\u6d4b\u6821\u6838\u3002<\/p>\n

    \u4e00\u3001\u53cc\u8109\u51b2\u62df\u5408\u7684\u635f\u8017\u6a21\u578b<\/p>\n

    \u901a\u6001\u635f\u8017\u4e0e\u5f00\u5173\u635f\u8017\u5206\u5f00\u5efa\u6a21\u3002\u901a\u6001\u9879\u5199\u6210\u5173\u4e8e\u96c6\u7535\u6781\u7535\u6d41 i_C \u4e0e\u7ed3\u6e29 T_j \u7684\u4e8c\u6b21\u591a\u9879\u5f0f：<\/p>\n

    P_cond \u2248 (V_ce0(T_j) + r_ce(T_j)\u00b7i_C)\u00b7i_C\u00b7D<\/p>\n

    \u5176\u4e2d V_ce0 \u4e3a\u95e8\u69db\u7535\u538b（V），r_ce \u4e3a\u7b49\u6548\u901a\u6001\u7535\u963b（\u03a9），D \u4e3a\u5360\u7a7a\u6bd4；\u4e24\u7cfb\u6570\u968f T_j \u8fd1\u4f3c\u7ebf\u6027，\u9700\u7ed9\u51fa\u4e24\u4e2a\u6e29\u5ea6\u70b9\u7684\u6570\u503c\u3002\u5f00\u5173\u9879\u5f15\u5165\u95e8\u6781\u7535\u963b R_g：<\/p>\n

    P_sw \u2248 (E_on + E_off)\u00b7f_sw\u00b7(i_C\/I_ref)\u00b7(V_dc\/V_ref)\u00b7k_Rg<\/p>\n

    E_on\u3001E_off \u4e3a\u53c2\u8003\u6761\u4ef6（I_ref\u3001V_ref\u3001T_j_ref）\u4e0b\u5355\u8109\u51b2\u80fd\u91cf（mJ\/\u8109\u51b2），k_Rg \u4e3a R_g \u76f8\u5bf9\u53c2\u8003\u503c\u7684\u4fee\u6b63\u7cfb\u6570\u3002\u7cfb\u6570\u63d0\u53d6\u65b9\u6cd5：\u5728\u53cc\u8109\u51b2\u5e73\u53f0\u4e0a\u6309 i_C = 0.2\/0.5\/0.8\/1.0 \u500d\u989d\u5b9a\u3001T_j = 25 \u2103 \u4e0e 125 \u2103 \u4e24\u7ec4\u6e29\u5ea6\u3001R_g \u53d6\u63a8\u8350\u503c\u4e0a\/\u4e0b\u9650\u5404\u6d4b\u4e00\u6b21，\u7528\u6700\u5c0f\u4e8c\u4e58\u62df\u5408\u51fa V_ce0\u3001r_ce \u53ca E_on\u3001E_off \u7684\u6e29\u5ea6\u7cfb\u6570\u3002\u7eed\u6d41\u4e8c\u6781\u7ba1\u7684\u53cd\u5411\u6062\u590d\u635f\u8017 E_rec \u5355\u72ec\u62df\u5408，\u4e0d\u53ef\u5e76\u5165 E_off\u3002<\/p>\n

    \u4e8c\u3001\u8c03\u5236\u65b9\u5f0f\u5bf9\u635f\u8017\u5206\u5e03\u7684\u5f71\u54cd<\/p>\n

    \u8bbe\u57fa\u6ce2\u89d2\u9891\u7387 \u03c9_1，\u529f\u7387\u56e0\u6570\u89d2 \u03c6，\u5360\u7a7a\u6bd4\u51fd\u6570 d(\u03b8)：SPWM \u4e3a d(\u03b8) = 0.5 + 0.5\u00b7m\u00b7sin(\u03b8)；SVPWM \u5728\u6b64\u57fa\u7840\u4e0a\u6ce8\u5165\u4e09\u6b21\u8c10\u6ce2\u5206\u91cf，\u7b49\u6548\u8c03\u5236\u6bd4\u63d0\u5347\u7ea6 15 %；DPWM \u5219\u5728\u76f8\u7535\u6d41\u5cf0\u503c\u9644\u8fd1\u94b3\u4f4d，\u4f7f\u8be5\u6bb5\u4e0d\u5f00\u5173\u3002\u4e00\u4e2a\u57fa\u6ce2\u5468\u671f\u5185\u7684\u5e73\u5747\u635f\u8017\u5e94\u6309"\u901a\u6001\u9879\u6309\u89d2\u5ea6\u79ef\u5206\u3001\u5f00\u5173\u9879\u6309\u5355\u6b21\u80fd\u91cf\u4e58\u5f00\u5173\u9891\u7387"\u5206\u522b\u8ba1\u7b97：<\/p>\n

    P_avg = (1\/2\u03c0)\u222b\u2080^2\u03c0 v_ce(\u03b8)\u00b7i(\u03b8)\u00b7d(\u03b8) d\u03b8 + f_sw\u00b7(1\/2\u03c0)\u222b\u2080^2\u03c0 [E_on(\u03b8) + E_off(\u03b8)] d\u03b8<\/p>\n

    \u5176\u4e2d E_on(\u03b8)\u3001E_off(\u03b8) \u4e3a\u8be5\u89d2\u5ea6\u5904\u5355\u6b21\u5f00\u901a\u3001\u5173\u65ad\u80fd\u91cf（J\/\u8109\u51b2），\u968f\u77ac\u65f6\u7535\u6d41\u4e0e\u6bcd\u7ebf\u7535\u538b\u53d8\u5316；f_sw \u4e3a\u5f00\u5173\u9891\u7387（Hz），\u5728\u79ef\u5206\u53f7\u5916\u4f5c\u5e38\u6570\u5904\u7406，\u4e0d\u968f \u03b8 \u53d8\u5316\u3002\u8fd9\u6837\u5199\u6cd5\u5728\u91cf\u7eb2\u4e0a\u81ea\u6d3d：\u7b2c\u4e00\u9879\u79ef\u5206\u7ed3\u679c\u4e3a\u5e73\u5747\u901a\u6001\u529f\u7387（W），\u7b2c\u4e8c\u9879 f_sw \u4e58\u4ee5\u5355\u8109\u51b2\u80fd\u91cf\u7684\u57fa\u6ce2\u5468\u671f\u5e73\u5747\u503c\u540c\u6837\u4e3a\u5e73\u5747\u5f00\u5173\u529f\u7387（W）\u3002\u03c6 \u51b3\u5b9a\u7535\u6d41\u4e0e\u5360\u7a7a\u6bd4\u7684\u76f8\u4f4d\u5173\u7cfb：\u03c6 \u8d8a\u5927，IGBT \u4e0e\u4e8c\u6781\u7ba1\u7684\u7535\u6d41\u5206\u914d\u8d8a\u5411\u4e8c\u6781\u7ba1\u4fa7\u504f\u79fb\u3002SVPWM \u76f8\u5bf9 SPWM \u5f00\u5173\u6b21\u6570\u76f8\u540c\u4f46\u7535\u6d41\u5cf0\u503c\u5229\u7528\u7387\u66f4\u9ad8；DPWM \u5728\u9ad8\u529f\u7387\u56e0\u6570（\u03c6 < 30\u00b0）\u4e0b\u5f00\u5173\u635f\u8017\u53ef\u964d\u7ea6 1\/3，\u4f46\u8f93\u51fa\u7535\u6d41\u8c10\u6ce2\u589e\u5927，\u9700\u590d\u6838\u7535\u673a\u53d1\u70ed\u4e0e\u8f6c\u77e9\u8109\u52a8\u3002\u56db\u8c61\u9650\u8fd0\u884c\u65f6\u4e8c\u6781\u7ba1\u635f\u8017\u968f\u80fd\u91cf\u56de\u9988\u65b9\u5411\u53cd\u8f6c，\u987b\u6309\u6700\u6076\u52a3 \u03c6 \u6821\u6838\u3002<\/p>\n

    \u4e09\u3001\u56db\u9636 Foster \u70ed\u7f51\u7edc\u4e0e\u53c2\u6570\u63d0\u53d6<\/p>\n

    \u7ed3\u6e29\u52a8\u6001\u7528\u56db\u9636 Foster \u7f51\u7edc：Z_th(j-c)(t) = \u03a3\u1d62 R\u1d62\u00b7(1 \u2212 e^(\u2212t\/\u03c4\u1d62))，i = 1\u20264\u3002\u4ece\u6570\u636e\u624b\u518c Z_th(j-c) \u66f2\u7ebf\u6309\u65f6\u95f4\u8f74\u5206\u56db\u6bb5\u63d0\u53d6：0.01 s \u4ee5\u4e0b\u53d6\u7b2c\u4e00\u6bb5\u30010.01\u20130.1 s \u7b2c\u4e8c\u6bb5\u30010.1\u20131 s \u7b2c\u4e09\u6bb5\u30011\u201310 s \u7b2c\u56db\u6bb5，\u6bcf\u6bb5\u7528\u4e24\u70b9\u6cd5（\u53d6\u8be5\u6bb5\u8d77\u70b9\u3001\u7ec8\u70b9）\u89e3\u51fa R\u1d62 \u4e0e \u03c4\u1d62，\u5178\u578b \u03c4\u1d62 \u8986\u76d6 0.01 s \u81f3 10 s \u91cf\u7ea7\u3002\u81ea\u53d1\u70ed\u4e0e\u4e92\u70ed\u7528\u70ed\u8026\u5408\u7cfb\u6570 k_ij（0.3\u20130.6，\u968f\u6a21\u5757\u5c01\u88c5\u4e0e\u5e03\u5c40\u800c\u5f02）\u4fee\u6b63：T_j_IGBT = T_c + Z_th\u00b7(P_IGBT + k\u00b7P_diode)\u3002\u6821\u6838\u65b9\u6cd5：\u7528\u70ed\u7535\u5076\u6216\u7ea2\u5916\u6d4b\u58f3\u6e29 T_c，\u53cd\u63a8 T_j \u4e0e\u7535\u70ed\u4eff\u771f\u7ed3\u679c\u504f\u5dee\u5e94\u63a7\u5236\u5728 5 K \u4ee5\u5185\u3002<\/p>\n

    \u56db\u3001\u5f00\u5173\u9891\u7387\u4e0a\u9650\u7684\u786e\u5b9a<\/p>\n

    f_sw \u4ece 2 kHz \u63d0\u5230 8 kHz \u65f6，\u5f00\u5173\u635f\u8017\u5360\u603b\u635f\u8017\u6bd4\u4f8b\u7531\u7ea6 40 % \u5347\u5230 65 % \u4ee5\u4e0a，\u901a\u6001\u635f\u8017\u57fa\u672c\u4e0d\u53d8\u3002\u4e0a\u9650\u7531\u6563\u70ed\u80fd\u529b\u5012\u63a8：<\/p>\n

    f_sw_max = [ (T_j_max \u2212 T_a_max)\/(R_th(j-c) + R_th(c-s) + R_th(s-a)) \u2212 P_cond ] \/ (E_on + E_off)<\/p>\n

    \u5176\u4e2d R_th(s-a) \u4e3a\u6563\u70ed\u5668\u5230\u73af\u5883\u70ed\u963b（K\/W），T_a_max \u4e3a\u6700\u9ad8\u73af\u5883\u6e29\u5ea6（\u2103），T_j_max \u53d6\u964d\u989d\u540e\u7684\u8bb8\u7528\u7ed3\u6e29\u3002\u5de5\u7a0b\u4e0a\u5e38\u628a T_j_max \u53d6\u6570\u636e\u624b\u518c\u989d\u5b9a\u503c\u518d\u7559 10\u201320 K \u4f59\u91cf\u3002\u82e5\u8ba1\u7b97\u503c\u4f4e\u4e8e\u5de5\u827a\u6240\u9700 f_sw，\u53ea\u80fd\u52a0\u5927\u6563\u70ed\u5668\u3001\u6539\u5584\u98ce\u9053\u6216\u6539\u7528\u66f4\u4f4e R_th(s-a) \u7684\u5f3a\u8feb\u98ce\u51b7\u65b9\u6848\u3002<\/p>\n

    \u4e94\u3001\u4f4e\u901f\u5de5\u51b5\u7684\u7ed3\u6e29\u6ce2\u52a8\u4e0e\u5bff\u547d\u6298\u51cf<\/p>\n

    \u8f93\u51fa\u9891\u7387\u4f4e\u4e8e 5 Hz \u65f6，\u57fa\u6ce2\u5468\u671f\u53d8\u957f（5 Hz \u5bf9\u5e94 200 ms），\u5355\u4e2a\u57fa\u6ce2\u5468\u671f\u5185\u635f\u8017\u8109\u52a8\u65e0\u6cd5\u88ab\u70ed\u5bb9\u5e73\u6ed1，\u7ed3\u6e29\u6ce2\u52a8\u5e45\u503c \u0394T_j \u6025\u5267\u589e\u5927，\u710a\u5c42\u4e0e\u952e\u5408\u7ebf\u7684\u70ed\u673a\u68b0\u75b2\u52b3\u52a0\u901f\u3002\u5b9a\u91cf\u5224\u636e：\u0394T_j \u2264 20 K \u4e3a\u957f\u671f\u8fde\u7eed\u8fd0\u884c\u7684\u5e38\u89c1\u63a7\u5236\u76ee\u6807；\u8d85\u51fa\u65f6\u5e94\u964d\u4f4e f_sw \u6216\u6309\u6bd4\u4f8b\u51cf\u5c0f\u8f93\u51fa\u7535\u6d41\u3002\u4f4e\u901f\u8d85\u65f6\u4fdd\u62a4\u53ef\u4f5c\u4e3a\u515c\u5e95\u624b\u6bb5\u3002\u5bff\u547d\u6298\u51cf\u7cfb\u6570\u6309\u6bcf\u5206\u949f\u8f6c\u901f n \u4e0e \u0394T_j \u67e5\u66f2\u7ebf：n \u4f4e\u3001\u0394T_j \u5927\u65f6\u6298\u51cf\u7cfb\u6570\u663e\u8457\u4e0b\u964d，n = 10 r\/min\u3001\u0394T_j = 30 K \u91cf\u7ea7\u65f6\u5bff\u547d\u6298\u51cf\u53ef\u8fbe\u4e00\u534a\u4ee5\u4e0a，\u9700\u5728\u9009\u578b\u9636\u6bb5\u8ba1\u5165\u3002<\/p>\n

    \u5e38\u89c1\u8bef\u533a：\u7528 E_on + E_off \u7684\u5e38\u6570\u76f4\u63a5\u4e58 f_sw \u800c\u4e0d\u4fee\u6e29\u5ea6\u4e0e R_g；\u5ffd\u7565\u4e8c\u6781\u7ba1\u53cd\u5411\u6062\u590d；\u628a Foster \u53c2\u6570\u76f4\u63a5\u5f53 Cauer \u7f51\u7edc\u7528\u4e8e\u591a\u5c42\u70ed\u963b\u53e0\u52a0；\u4f4e\u901f\u957f\u65f6\u8fd0\u884c\u53ea\u770b\u5e73\u5747\u7535\u6d41\u4e0d\u770b \u0394T_j\u3002<\/p>\n

    \u95e8\u6781\u9a71\u52a8\u53c2\u6570\u4f18\u5316\u4e0e\u5f00\u5173\u7279\u6027\u8c03\u63a7\u6280\u672f<\/h3>\n

    \u95e8\u6781\u9a71\u52a8\u662f\u628a\u5668\u4ef6\u80fd\u529b\u8f6c\u6210\u6574\u673a\u6027\u80fd\u7684\u6700\u540e\u4e00\u73af，\u53c2\u6570\u53d6\u503c\u76f4\u63a5\u51b3\u5b9a\u5f00\u5173\u635f\u8017\u3001\u8fc7\u7535\u538b\u4e0e\u7535\u78c1\u517c\u5bb9\u4e09\u8005\u7684\u5e73\u8861\u70b9\u3002<\/p>\n

    \u4e00\u3001R_g(on) \u4e0e R_g(off) \u7684\u72ec\u7acb\u8c03\u63a7<\/p>\n

    \u5f00\u901a\u7535\u963b R_g(on) \u4e3b\u5bfc\u5f00\u901a di\/dt \u4e0e\u53cd\u5411\u6062\u590d\u7535\u6d41\u5cf0\u503c，\u53d6\u503c\u589e\u5927\u5219 E_on \u4e0a\u5347\u3001EMI \u4f59\u91cf\u6539\u5584；\u5173\u65ad\u7535\u963b R_g(off) \u4e3b\u5bfc\u5173\u65ad dv\/dt \u4e0e\u5173\u65ad\u8fc7\u7535\u538b V_overshoot，\u53d6\u503c\u589e\u5927\u5219 E_off \u4e0a\u5347\u3001dv\/dt \u4e0b\u964d\u3002\u4e24\u8005\u5fc5\u987b\u5206\u5f00\u6574\u5b9a，\u5171\u7528\u4e00\u4e2a\u95e8\u6781\u7535\u963b\u662f\u5e38\u89c1\u8bef\u533a\u3002<\/p>\n

    \u5de5\u7a0b\u53d6\u503c\u8303\u56f4（\u524d\u63d0：1200 V\/600 A \u7ea7 Si IGBT \u6a21\u5757，\u6bcd\u7ebf 540 V~600 V，\u9a71\u52a8\u7535\u538b +15 V\/\u22128 V）：<\/p>\n\n\u53c2\u6570\u5e38\u89c1\u8303\u56f4\u53d6\u503c\u4f9d\u636e<\/tr>\n\n\n\n
    R_g(on)<\/td>\n2 \u03a9 ~ 20 \u03a9<\/td>\n\u53cd\u5411\u6062\u590d\u7535\u6d41\u5cf0\u503c\u3001EMI \u76ee\u6807\u7b49\u7ea7<\/td>\n<\/tr>\n
    R_g(off)<\/td>\n1 \u03a9 ~ 15 \u03a9<\/td>\n\u5173\u65ad\u8fc7\u7535\u538b \u2264 \u6bcd\u7ebf\u7535\u538b + 200 V~300 V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u786e\u5b9a\u987a\u5e8f：\u5148\u6309 L_\u03c3\u00b7di\/dt \u4f30\u7b97\u5173\u65ad\u5c16\u5cf0 V_peak \u2248 V_dc + L_\u03c3\u00b7|di_c\/dt|，\u82e5\u8d85\u9650\u5219\u52a0\u5927 R_g(off)；\u518d\u6309\u4f20\u5bfc\u4e0e\u8f90\u5c04 EMI \u9884\u6d4b\u8bd5\u7ed3\u679c\u56de\u8c03 R_g(on)\u3002\u6700\u7ec8\u503c\u987b\u5728\u6837\u673a\u4e0a\u4ee5\u53cc\u8109\u51b2\u8bd5\u9a8c\u590d\u6838\u5f00\u5173\u6ce2\u5f62\u3002<\/p>\n

    \u4e8c\u3001\u6709\u6e90\u95e8\u6781\u9a71\u52a8（AGD）\u7684\u591a\u7ea7\u7535\u6d41\u63a7\u5236<\/p>\n

    \u5355\u4e00\u7ebf\u6027 R_g \u65e0\u6cd5\u540c\u65f6\u538b\u4f4e E_on \u4e0e dv\/dt\u3002AGD \u901a\u8fc7\u5f00\u901a\u9636\u6bb5\u4e09\u6bb5\u7535\u6d41\u6574\u5f62\u89e3\u51b3：<\/p>\n\n\u9636\u6bb5\u95e8\u6781\u7535\u6d41\u5178\u578b\u5e45\u503c\u65f6\u95f4\u7a97\u53e3\u4f5c\u7528<\/tr>\n\n\n\n\n
    \u9884\u5145\u7535<\/td>\n0.5 A ~ 1.5 A<\/td>\n200 ns ~ 500 ns<\/td>\n\u5e73\u7f13\u901a\u8fc7\u7c73\u52d2\u5e73\u53f0，\u6291\u5236 di\/dt<\/td>\n<\/tr>\n
    \u5f3a\u9a71\u52a8<\/td>\n2 A ~ 4 A<\/td>\n50 ns ~ 200 ns<\/td>\n\u5feb\u901f\u8de8\u8d8a\u9608\u503c\u533a，\u964d\u4f4e\u62d6\u5c3e\u635f\u8017<\/td>\n<\/tr>\n
    \u7f13\u51b2<\/td>\n1 A ~ 2 A<\/td>\n100 ns ~ 300 ns<\/td>\n\u6536\u655b dv\/dt，\u6291\u5236\u632f\u8361<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5728 1200 V \u7ea7\u6a21\u5757\u3001\u8f7d\u6ce2 4 kHz~8 kHz \u6761\u4ef6\u4e0b，\u5f00\u901a\u635f\u8017\u53ef\u964d\u4f4e 15%~25%，\u5177\u4f53\u5e45\u5ea6\u968f\u6bcd\u7ebf\u7535\u538b\u3001\u7ed3\u6e29\u4e0e\u8d1f\u8f7d\u7535\u6d41\u800c\u53d8，\u9700\u4ee5\u53cc\u8109\u51b2\u5b9e\u6d4b\u5bf9\u6bd4\u786e\u8ba4\u3002<\/p>\n

    \u4e09\u3001\u7c73\u52d2\u94b3\u4f4d\u6291\u5236\u6865\u81c2\u4e32\u6270<\/p>\n

    \u4e0b\u6865\u81c2\u5173\u65ad\u65f6，\u4e0a\u6865\u81c2 dv\/dt \u7ecf C_gc \u8026\u5408\u62ac\u5347\u95e8\u6781\u7535\u4f4d，\u53ef\u80fd\u5f15\u53d1\u5bc4\u751f\u5bfc\u901a\u3002\u5224\u636e\u4e3a：<\/p>\n

    \u0394V_GE \u2248 C_gc\/(C_gc + C_ge) \u00b7 dv\/dt \u00b7 \u0394t < V_GE(th) \u2212 \u88d5\u91cf<\/p>\n

    \u5de5\u7a0b\u505a\u6cd5\u662f\u52a0\u7c73\u52d2\u94b3\u4f4d（\u6709\u6e90\u4e0b\u62c9），\u94b3\u4f4d\u7535\u538b\u8bbe\u5b9a\u4e3a\u4f4e\u4e8e V_GE(th) 1 V ~ 2 V；\u8d1f\u504f\u538b\u4e00\u822c\u53d6 \u22125 V ~ \u22128 V，\u4e14 C_ge \u5e94\u660e\u663e\u5927\u4e8e C_gc（\u5e38\u89c1\u6bd4\u503c \u2265 3），\u5fc5\u8981\u65f6\u5728 G-E \u95f4\u5e76\u8054\u5c0f\u5bb9\u91cf\u8584\u819c\u7535\u5bb9\u3002<\/p>\n

    \u56db\u3001Si IGBT \u4e0e SiC MOSFET \u6df7\u5408\u5e76\u8054\u7684\u65f6\u5e8f\u9519\u76f8<\/p>\n

    \u6df7\u5408\u5e76\u8054\u65f6，SiC \u652f\u8def\u5e94\u5148\u5f00\u901a\u3001\u540e\u5173\u65ad，\u4f7f Si IGBT \u627f\u62c5\u4e3b\u8981\u5173\u65ad\u5e94\u529b\u3001SiC \u627f\u62c5\u4e3b\u8981\u5f00\u901a\u5e94\u529b\u3002\u5f00\u901a\u5ef6\u8fdf\u5dee \u0394t_delay \u5178\u578b\u53d6 50 ns ~ 200 ns，\u53ef\u663e\u8457\u6291\u5236 Si IGBT \u53cd\u5411\u6062\u590d\u7535\u6d41\u5f15\u8d77\u7684\u632f\u8361，\u5e76\u6539\u5584\u4e24\u652f\u8def\u635f\u8017\u5206\u914d\u3002\u5ef6\u8fdf\u91cf\u987b\u6309\u5b9e\u6d4b\u7535\u6d41\u5206\u914d\u6ce2\u5f62\u6574\u5b9a，\u8fc7\u5927\u4f1a\u4f7f SiC \u5355\u72ec\u627f\u53d7\u7535\u6d41\u5c16\u5cf0\u3002<\/p>\n

    \u4e94\u3001\u9a71\u52a8\u56de\u8def PCB \u5e03\u7ebf\u89c4\u5219<\/p>\n\n\u9879\u76ee\u8981\u6c42<\/tr>\n\n\n\n\n\n\n
    \u9a71\u52a8\u56de\u8def\u5bc4\u751f\u7535\u611f<\/td>\n< 10 nH<\/td>\n<\/tr>\n
    \u9a71\u52a8 IC \u5230\u95e8\u6781\u8d70\u7ebf\u957f\u5ea6<\/td>\n< 30 mm<\/td>\n<\/tr>\n
    \u5f00\u5c14\u6587\u6e90\u6781<\/td>\n\u72ec\u7acb\u8d70\u7ebf，\u4e0d\u4e0e\u529f\u7387\u6e90\u6781\u5171\u7528<\/td>\n<\/tr>\n
    \u56de\u8def\u9762\u79ef<\/td>\n\u6700\u5c0f\u5316，\u6b63\u8d1f\u9a71\u52a8\u7ebf\u53cc\u7ede\u6216\u7d27\u8026\u5408<\/td>\n<\/tr>\n
    \u95e8\u6781\u7535\u963b\u4f4d\u7f6e<\/td>\n\u9760\u8fd1\u6a21\u5757\u7aef\u5b50，\u7f29\u77ed\u632f\u8361\u56de\u8def<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u6392\u67e5\u987a\u5e8f：\u5148\u770b\u53cc\u8109\u51b2\u6ce2\u5f62\u7684 V_GE \u5c16\u5cf0\u4e0e V_CE \u8fc7\u51b2，\u518d\u67e5\u95e8\u6781\u8d70\u7ebf\u957f\u5ea6\u4e0e\u5f00\u5c14\u6587\u8fde\u63a5，\u6700\u540e\u6838\u5bf9 R_g(on)\/R_g(off) \u53d6\u503c\u4e0e\u6bcd\u7ebf\u5bc4\u751f\u7535\u611f\u3002\u5e38\u89c1\u8bef\u533a\u5305\u62ec\u5171\u7528\u4e00\u4e2a\u95e8\u6781\u7535\u963b\u3001\u5ffd\u7565\u5f00\u5c14\u6587\u6e90\u6781\u3001\u94b3\u4f4d\u7535\u538b\u8bbe\u5f97\u8fc7\u9ad8\u3001\u4ee5\u53ca\u5728\u672a\u590d\u6838 dv\/dt \u7684\u60c5\u51b5\u4e0b\u4e00\u5473\u51cf\u5c0f R_g(off)\u3002<\/p>\n

    \u76f4\u6d41\u6bcd\u7ebf\u7535\u5bb9\u3001\u5438\u6536\u7535\u8def\u4e0e\u4f4e\u611f\u6bcd\u6392\u7684\u534f\u540c\u8bbe\u8ba1<\/h3>\n

    \u6bcd\u7ebf\u7535\u5bb9\u3001\u5438\u6536\u7535\u8def\u4e0e\u6bcd\u6392\u4e09\u8005\u5171\u540c\u51b3\u5b9a\u6362\u6d41\u56de\u8def\u7684\u7535\u538b\u5e94\u529b\u3002\u4efb\u4e00\u73af\u8282\u77ed\u677f，IGBT \u7aef\u5b50\u4e0a\u7684\u8fc7\u51b2\u7535\u538b\u5c31\u4f1a\u7a81\u7834\u964d\u989d\u8fb9\u754c\u3002<\/p>\n

    \u4e00\u3001\u6bcd\u7ebf\u7535\u5bb9\u5bb9\u91cf\u4e0e\u7eb9\u6ce2\u7535\u6d41\u6821\u6838<\/p>\n

    \u7535\u538b\u7eb9\u6ce2\u6309 \u0394V_ripple \u2264 5% V_DC \u63a7\u5236\u3002\u4ee5\u4e09\u76f8\u9006\u53d8\u5668\u5e26\u5f02\u6b65\u7535\u52a8\u673a\u3001SPWM \u8c03\u5236\u6bd4 m \u4e3a\u524d\u63d0，\u7535\u5bb9\u7eb9\u6ce2\u7535\u6d41\u6709\u6548\u503c\u5de5\u7a0b\u4f30\u7b97\u5f0f\u4e3a：<\/p>\n

    I_C_rms \u2248 I_out \u00d7 \u221a(2m\/\u03c0 + (m\u00b2\/2) \u2212 (4m\u00b2\/\u03c0\u00b2))<\/p>\n

    \u5f0f\u4e2d I_out \u4e3a\u8f93\u51fa\u7535\u6d41\u6709\u6548\u503c，I_DC \u4e3a\u6574\u6d41\u4fa7\u5e73\u5747\u7535\u6d41，f_sw \u5f71\u54cd\u7684\u662f\u7535\u5bb9\u963b\u6297\u4e0e\u6e29\u5347\u800c\u975e\u57fa\u6ce2\u7eb9\u6ce2\u5e45\u503c\u3002\u5bb9\u91cf\u6309 C_DC \u2265 I_C_rms \/ (2\u03c0 f_sw \u00d7 \u0394V_ripple) \u4f30\u7b97，f_sw \u53d6\u8f7d\u6ce2\u9891\u7387，\u5178\u578b\u53d6\u503c\u8303\u56f4 2 kHz～12 kHz（\u5f02\u6b65\u7535\u52a8\u673a FOC \u4f20\u52a8\u3001400 V \u7b49\u7ea7）\u3002\u5b9e\u9645\u9009\u578b\u65f6\u6309\u8584\u819c\u7535\u5bb9\u5141\u8bb8\u7eb9\u6ce2\u7535\u6d41\u964d\u989d 20%～30% \u53d6\u503c，\u591a\u53ea\u5e76\u8054\u5747\u6d41\u7cfb\u6570\u53d6 0.8～0.9\u3002<\/p>\n

    \u7535\u5bb9\u5bff\u547d\u5bf9\u70ed\u70b9\u6e29\u5ea6\u654f\u611f，\u884c\u4e1a\u5e38\u89c1\u66f2\u7ebf\u4e3a T_hotspot \u6bcf\u5347\u9ad8 10 \u2103，\u5bff\u547d\u51cf\u534a；\u989d\u5b9a 70 \u2103 \u4e0b\u5bff\u547d\u5178\u578b 10 \u4e07\u5c0f\u65f6\u91cf\u7ea7\u3002\u8bbe\u8ba1\u65f6\u4ee5\u58f3\u6e29\u5b9e\u6d4b\u53cd\u63a8\u70ed\u70b9\u6e29\u5ea6，\u7559 10 \u2103 \u4ee5\u4e0a\u88d5\u91cf\u3002<\/p>\n

    \u4e8c\u3001\u5438\u6536\u7535\u5bb9\u4e0e\u6742\u6563\u7535\u611f\u7684\u8fc7\u51b2\u7ea6\u675f<\/p>\n

    \u6362\u6d41\u56de\u8def\u6742\u6563\u7535\u611f L_s \u5728\u5173\u65ad\u65f6\u4ea7\u751f \u0394V_CE = L_s \u00d7 di\/dt\u3002\u5141\u8bb8\u8fc7\u51b2\u589e\u91cf \u0394V_CE_max \u4e00\u822c\u6309 V_DC_max \u7684 30%～50% \u53d6（400 V \u7b49\u7ea7\u5bf9\u5e94\u7ea6 150 V～250 V）\u3002\u5438\u6536\u7535\u5bb9\u9700\u6ee1\u8db3：<\/p>\n

    C_snubber \u2265 (L_s \u00d7 I_L\u00b2) \/ \u0394V_CE_max\u00b2<\/p>\n

    \u5f0f\u4e2d I_L \u4e3a\u5173\u65ad\u7535\u6d41\u5cf0\u503c\u3002\u5438\u6536\u7535\u5bb9\u5fc5\u987b\u76f4\u63a5\u5e76\u8054\u5728 IGBT \u6a21\u5757\u76f4\u6d41\u7aef\u5b50\u4e0a，\u5f15\u7ebf\u957f\u5ea6\u63a7\u5236\u5728 20 mm \u4ee5\u5185，\u5426\u5219\u9ad8\u9891\u65c1\u8def\u6548\u679c\u663e\u8457\u4e0b\u964d\u3002<\/p>\n

    \u4e09\u3001\u4e09\u79cd\u5438\u6536\u7535\u8def\u5bf9\u6bd4\u4e0e\u51b3\u7b56<\/p>\n\n\u7c7b\u578b\u632f\u8361\u6291\u5236\u81ea\u8eab\u635f\u8017\u9002\u7528\u573a\u666f<\/tr>\n\n\n\n\n
    C \u5438\u6536<\/td>\n\u4e2d\u7b49，\u963b\u5c3c\u5f31<\/td>\n\u6700\u4f4e<\/td>\n\u4e2d\u4f4e\u529f\u7387\u3001L_s \u5df2\u8f83\u5c0f<\/td>\n<\/tr>\n
    RC \u5438\u6536<\/td>\n\u597d，\u963b\u5c3c\u5f3a<\/td>\n\u8f83\u9ad8，\u968f f_sw \u7ebf\u6027\u4e0a\u5347<\/td>\n\u4e2d\u529f\u7387\u3001\u632f\u8361\u660e\u663e<\/td>\n<\/tr>\n
    RCD \u5438\u6536<\/td>\n\u597d，\u94b3\u4f4d\u660e\u786e<\/td>\n\u4e2d\u7b49，\u4e0e\u5360\u7a7a\u6bd4\u76f8\u5173<\/td>\n\u5927\u529f\u7387\u3001\u8fc7\u51b2\u9700\u786c\u94b3\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u51b3\u7b56\u5224\u636e：\u8fc7\u51b2\u6291\u5236\u6bd4（\u52a0\u88c5\u524d\u540e \u0394V_CE \u4e4b\u6bd4）\u76ee\u6807 0.5～0.7；\u5438\u6536\u7535\u8def\u635f\u8017\u5360\u6a21\u5757\u603b\u5f00\u5173\u635f\u8017\u6bd4\u63a7\u5236\u5728 5% \u4ee5\u5185，\u8d85\u9650\u5219\u6539 C \u5438\u6536\u6216\u4f18\u5316\u6bcd\u6392\u3002<\/p>\n

    \u56db\u3001\u53e0\u5c42\u6bcd\u6392\u4e0e\u7edd\u7f18\u6821\u6838<\/p>\n

    \u6742\u6563\u7535\u611f L_s \u4e0e\u6b63\u8d1f\u6bcd\u6392\u91cd\u53e0\u9762\u79ef A \u8fd1\u4f3c\u53cd\u6bd4，\u76ee\u6807 L_s < 30 nH \u65f6，\u5de5\u7a0b\u4f30\u7b97 A \u2265 k \u00d7 I_rated \/ (L_s_target)，k \u7531\u6bcd\u6392\u5bbd\u539a\u6bd4\u4e0e\u7aef\u90e8\u51fa\u7ebf\u65b9\u5f0f\u51b3\u5b9a，\u7ecf\u9a8c\u53d6\u503c 0.5～1.0 mH\u00b7mm\u00b2\/A \u91cf\u7ea7，\u9700\u4ee5\u53cc\u8109\u51b2\u6d4b\u8bd5\u5b9e\u6d4b\u6807\u5b9a\u3002\u7edd\u7f18\u5c42\u539a\u5ea6\u53d6 0.2 mm～0.5 mm，\u8010\u538b\u6309 V_DC_max \u7684 2 \u500d\u4ee5\u4e0a\u6821\u6838，\u5e76\u505a\u5de5\u9891\u8010\u538b\u4e0e\u5c40\u90e8\u653e\u7535\u62bd\u6d4b\u3002<\/p>\n

    \u4e94\u3001\u7535\u5bb9\u7ec4\u4e32\u5e76\u8054\u7684\u5747\u538b\u8bbe\u8ba1<\/p>\n

    \u4e32\u8054\u6570\u4e3a n \u65f6，\u5747\u538b\u7535\u963b\u6309\u4e0b\u5f0f\u53d6\u503c：<\/p>\n

    R_balance \u2264 (V_DC_max \/ n) \/ (I_leak_max \u00d7 m)<\/p>\n

    \u5f0f\u4e2d I_leak_max \u4e3a\u5355\u53ea\u7535\u5bb9\u6700\u5927\u6f0f\u7535\u6d41，m \u4e3a\u5747\u538b\u88d5\u5ea6\u7cfb\u6570，\u53d6 3～5\u3002\u963b\u503c\u8fc7\u5c0f\u5219\u529f\u8017\u4e0a\u5347（P \u2248 V_DC\u00b2 \/ (n \u00d7 R_balance)），\u8fc7\u5927\u5219\u5747\u538b\u5931\u6548\u3002\u5de5\u7a0b\u4e0a\u4ee5\u5b9e\u6d4b\u5404\u53ea\u7535\u538b\u504f\u5dee\u4e0d\u8d85\u8fc7 5% V_DC \u4e3a\u9a8c\u6536\u5224\u636e\u3002<\/p>\n

    \u5e38\u89c1\u8bef\u533a：\u5438\u6536\u7535\u5bb9\u88c5\u5728\u6bcd\u6392\u4e2d\u6bb5\u800c\u975e\u6a21\u5757\u7aef\u5b50；\u53ea\u7b97\u5bb9\u91cf\u4e0d\u7b97\u7eb9\u6ce2\u7535\u6d41\u6709\u6548\u503c\u5bfc\u81f4\u7535\u5bb9\u65e9\u671f\u9f13\u5305；\u5747\u538b\u7535\u963b\u6309\u7ecf\u9a8c\u503c\u4e00\u5200\u5207\u3001\u4e0d\u6d4b\u6f0f\u7535\u6d41；\u6bcd\u6392\u91cd\u53e0\u9762\u79ef\u591f\u4f46\u7aef\u90e8\u6298\u5f2f\u5f15\u5165\u989d\u5916\u7535\u611f\u3002<\/p>\n

    \u8fc7\u6d41\u4e0e\u77ed\u8def\u6545\u969c\u7684\u68c0\u6d4b\u65f6\u5e8f\u3001\u4fdd\u62a4\u9608\u503c\u4e0e\u5feb\u901f\u5173\u65ad\u7b56\u7565<\/h3>\n

    IGBT \u7684\u5931\u6548\u7269\u7406\u51b3\u5b9a\u4fdd\u62a4\u5fc5\u987b\u5206\u4e24\u7c7b：\u8fc7\u8f7d\u8fc7\u6d41\u5e45\u503c\u4f4e\u3001\u6301\u7eed\u65f6\u95f4\u957f，\u7ed3\u6e29\u7f13\u5347；\u786c\u77ed\u8def\u5e45\u503c\u9ad8\u3001\u80fd\u91cf\u96c6\u4e2d\u5728\u5fae\u79d2\u7ea7，\u76f4\u63a5\u7531\u952e\u5408\u7ebf\u70ed\u75b2\u52b3\u4e0e\u95e9\u9501\u98ce\u9669\u4e3b\u5bfc\u3002\u4e24\u8005\u7684\u68c0\u6d4b\u901a\u9053\u3001\u9608\u503c\u4e0e\u5173\u65ad\u901f\u7387\u4e0d\u80fd\u5171\u7528\u4e00\u5957\u53c2\u6570\u3002<\/p>\n\n\u6545\u969c\u7c7b\u578b\u5178\u578b\u7535\u6d41\u5e45\u503c（\u76f8\u5bf9 I_C_nom）di\/dt \u7279\u5f81\u54cd\u5e94\u65f6\u95f4\u7a97\u5178\u578b\u5904\u7f6e<\/tr>\n\n\n\n\n
    \u8fc7\u8f7d\u8fc7\u6d41<\/td>\n1.5～2 \u500d<\/td>\n\u4e0e\u8d1f\u8f7d\u60ef\u91cf\u76f8\u5173，\u8f83\u7f13<\/td>\n\u6beb\u79d2\u7ea7（1～10 ms）<\/td>\n\u9650\u6d41\u964d\u9891\u3001\u62a5\u8b66\u3001\u5ef6\u65f6\u8df3\u95f8<\/td>\n<\/tr>\n
    \u786c\u77ed\u8def<\/td>\n4～10 \u500d<\/td>\n\u7531 L_\u03c3 \u51b3\u5b9a，\u9661\u5ced<\/td>\n\u5fae\u79d2\u7ea7（\u226410 \u03bcs）<\/td>\n\u9000\u9971\u548c\u68c0\u6d4b\u3001\u8f6f\u5173\u65ad\u3001\u5c01\u9501\u8109\u51b2<\/td>\n<\/tr>\n
    \u6865\u81c2\u76f4\u901a<\/td>\n\u4e0e\u786c\u77ed\u8def\u540c\u91cf\u7ea7<\/td>\n\u7531\u6bcd\u6392\u6742\u6563\u7535\u611f\u51b3\u5b9a<\/td>\n\u5fae\u79d2\u7ea7<\/td>\n\u786c\u4ef6\u4e92\u9501 + \u95e8\u6781\u72b6\u6001\u56de\u8bfb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u53cc\u9608\u503c\u6545\u969c\u8fa8\u8bc6：\u540c\u65f6\u8bbe\u7f6e\u7535\u6d41\u5e45\u503c\u9608\u503c I_th1（\u53d6 1.5～2 \u500d I_C_nom，\u5bf9\u5e94\u8fc7\u8f7d）\u4e0e I_th2（\u53d6 3～4 \u500d I_C_nom，\u5bf9\u5e94\u77ed\u8def），\u5e76\u53e0\u52a0\u7535\u6d41\u53d8\u5316\u7387\u5224\u636e di\/dt_th\u3002\u82e5 I > I_th2 \u4e14 di\/dt > di\/dt_th，\u5224\u5b9a\u4e3a\u77ed\u8def，\u8d70\u5fae\u79d2\u7ea7\u901a\u9053；\u82e5 I_th1 < I \u2264 I_th2 \u4e14 di\/dt \u8f83\u4f4e，\u5224\u5b9a\u4e3a\u8fc7\u8f7d，\u8d70\u6beb\u79d2\u7ea7\u901a\u9053\u3002di\/dt_th \u53ef\u6309 L_\u03c3 \u4e0e\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b V_DC \u4f30\u7b97：\u77ed\u8def\u7535\u6d41\u4e0a\u5347\u7387 \u2248 V_DC \/ L_\u03c3，\u5b9e\u6d4b\u503c\u901a\u5e38\u5728\u6bcf\u5fae\u79d2\u6570\u5341\u81f3\u6570\u767e\u5b89\u57f9\u91cf\u7ea7（\u524d\u63d0：690 V \u7ea7\u6bcd\u7ebf\u3001\u4f4e\u611f\u6bcd\u6392\u8bbe\u8ba1）\u3002<\/p>\n

    \u9000\u9971\u548c\u68c0\u6d4b：\u5728 IGBT \u5bfc\u901a\u671f\u95f4\u76d1\u6d4b V_CE，\u6b63\u5e38\u5bfc\u901a\u538b\u964d\u968f I_C_nom \u4e0e\u7ed3\u6e29\u53d8\u5316，\u5178\u578b 1.5～3 V；\u77ed\u8def\u65f6\u5668\u4ef6\u9000\u51fa\u9971\u548c\u533a，V_CE \u5feb\u901f\u62ac\u5347\u3002\u6bd4\u8f83\u5668\u9608\u503c V_desat_th \u5e38\u53d6 7～9 V，\u9700\u4e0e\u5668\u4ef6\u8f93\u51fa\u7279\u6027\u66f2\u7ebf\u5728\u76ee\u6807 I_C \u4e0e T_j \u4e0b\u7684\u9971\u548c\u6bb5\u7559\u51fa\u88d5\u91cf，\u907f\u514d\u8bef\u89e6\u53d1\u3002\u6d88\u9690\u65f6\u95f4 t_blank \u53d6 2～5 \u03bcs，\u7528\u4e8e\u5c4f\u853d\u5f00\u901a\u77ac\u95f4\u7684\u7535\u538b\u5c16\u5cf0\u4e0e\u7eed\u6d41\u4e8c\u6781\u7ba1\u53cd\u5411\u6062\u590d\u5e72\u6270，\u8bbe\u7f6e\u8fc7\u77ed\u4f1a\u8bef\u62a5，\u8fc7\u957f\u5219\u77ed\u8def\u80fd\u91cf\u7d2f\u79ef，\u9700\u6309\u5b9e\u6d4b\u5f00\u901a\u6ce2\u5f62\u7684 V_CE \u8870\u51cf\u65f6\u95f4\u53cd\u63a8\u4e0b\u9650\u3002<\/p>\n

    \u4e24\u7ea7\u8f6f\u5173\u65ad：\u77ed\u8def\u7535\u6d41\u5df2\u8fbe 4～10 \u500d I_C_nom，\u76f4\u63a5\u786c\u5173\u65ad\u4f1a\u5728 L_\u03c3 \u4e0a\u4ea7\u751f\u6781\u9ad8 di\/dt \u4e0e\u8fc7\u7535\u538b\u3002\u7b2c\u4e00\u7ea7\u5c06\u95e8\u6781\u7535\u538b\u964d\u81f3\u7c73\u52d2\u5e73\u53f0\u9644\u8fd1，\u628a\u7535\u6d41\u538b\u5230 2～3 \u500d I_C_nom；\u95f4\u9694 1～3 \u03bcs \u540e\u7b2c\u4e8c\u7ea7\u5b8c\u5168\u5173\u65ad\u3002\u95f4\u9694\u8bbe\u5b9a\u4ee5\u5173\u65ad\u8fc7\u7535\u538b\u4e0d\u8d85\u8fc7 V_CES \u7684 80% \u4e3a\u51c6，\u53ef\u901a\u8fc7\u8c03\u6574\u95e8\u6781\u7535\u963b\u4e0e\u5438\u6536\u7535\u5bb9\u5b9e\u6d4b\u6821\u6838\u3002<\/p>\n

    \u6865\u81c2\u76f4\u901a\u9632\u62a4：\u4e0a\u4e0b\u7ba1\u95e8\u6781\u4fe1\u53f7\u8bbe\u7f6e\u4e92\u9501\u6b7b\u533a t_dead，\u5e38\u89c1 2～5 \u03bcs；\u6b7b\u533a\u5185\u7535\u6d41\u4e0a\u5347\u7387 \u2248 V_DC \/ L_\u03c3（L_\u03c3 \u4e3a\u6865\u81c2\u56de\u8def\u6742\u6563\u7535\u611f），\u53e0\u52a0\u95e8\u6781\u4fe1\u53f7\u72b6\u6001\u56de\u8bfb（\u8bfb\u56de\u5b9e\u9645\u95e8\u6781\u7535\u538b\u5e76\u4e0e\u6307\u4ee4\u6bd4\u5bf9），\u4efb\u4e00\u5f02\u5e38\u7acb\u5373\u5c01\u9501\u9a71\u52a8\u3002\u56de\u8bfb\u56de\u8def\u9700\u9694\u79bb\u5e76\u5177\u5907\u6297 dv\/dt \u80fd\u529b\u3002<\/p>\n

    \u6545\u969c\u8bb0\u5f55\u4e0e\u9608\u503c\u95ed\u73af：\u6bcf\u6b21\u52a8\u4f5c\u8bb0\u5f55 V_DC\u3001\u4e09\u76f8\u7535\u6d41\u77ac\u65f6\u503c\u3001\u7ed3\u6e29\u4f30\u7b97\u503c\u3001\u6545\u969c\u6301\u7eed\u65f6\u95f4\u4e0e\u52a8\u4f5c\u65f6\u523b\u3002\u6309\u8bb0\u5f55\u7edf\u8ba1\u8bef\u89e6\u53d1\u4e0e\u6f0f\u68c0\u5206\u5e03，\u518d\u8fed\u4ee3\u8c03\u6574 V_desat_th\u3001t_blank \u4e0e I_th1\/I_th2，\u5f62\u6210\u53ef\u590d\u73b0\u7684\u53c2\u6570\u6807\u5b9a\u6d41\u7a0b\u3002<\/p>\n

    \u6563\u70ed\u7cfb\u7edf\u70ed\u963b\u94fe\u8ba1\u7b97\u3001\u6e29\u5ea6\u91c7\u6837\u4e0e\u8fc7\u70ed\u4fdd\u62a4\u6574\u5b9a<\/h3>\n

    IGBT \u7684\u5931\u6548\u5224\u636e\u6700\u7ec8\u843d\u5728\u7ed3\u6e29 T_j \u4e0a，\u6563\u70ed\u8bbe\u8ba1\u5c31\u662f\u628a\u635f\u8017\u529f\u7387 P_tot \u4ece\u82af\u7247\u642c\u8fd0\u5230\u73af\u5883\u7a7a\u6c14\u7684\u4e00\u6761\u4e32\u8054\u70ed\u963b\u94fe：R_th(j-c) + R_th(c-s) + R_th(s-a)，\u5176\u4e2d R_th(j-c) \u7531\u6a21\u5757\u5c01\u88c5\u51b3\u5b9a\u3001\u4e0d\u53ef\u66f4\u6539，\u5de5\u7a0b\u4e0a\u771f\u6b63\u80fd\u52a8\u7684\u662f\u540e\u4e24\u6bb5\u3002<\/p>\n

    \u754c\u9762\u70ed\u963b\u7684\u5b9a\u91cf\u63a7\u5236<\/p>\n

    R_th(c-s) \u7531\u5bfc\u70ed\u7845\u8102\u7684\u539a\u5ea6 \u03b4 \u4e0e\u70ed\u5bfc\u7387 \u03bb \u5171\u540c\u51b3\u5b9a，\u5de5\u7a0b\u4f30\u7b97\u5f0f\u4e3a R_th(c-s) \u2248 \u03b4 \/ (\u03bb\u00b7A_c) + R_th(\u63a5\u89e6)，A_c \u4e3a\u6a21\u5757\u57fa\u677f\u4e0e\u6563\u70ed\u5668\u7684\u63a5\u89e6\u9762\u79ef\u3002\u53d6 \u03b4 = 50 \u03bcm~100 \u03bcm\u3001\u03bb = 1~5 W\/(m\u00b7K) \u65f6，\u754c\u9762\u70ed\u963b\u7684\u5178\u578b\u91cf\u7ea7\u5728 0.01~0.05 K\/W \u533a\u95f4（\u6309 62 mm \u6a21\u5757\u57fa\u677f\u9762\u79ef\u4f30\u7b97）\u3002\u6d82\u6577\u8fc7\u539a（>150 \u03bcm）\u4f1a\u663e\u8457\u62ac\u5347\u754c\u9762\u6e29\u5dee，\u6d82\u6577\u4e0d\u5747\u5219\u5f62\u6210\u5c40\u90e8\u70ed\u70b9；\u63a8\u8350\u91c7\u7528\u4e1d\u7f51\u5370\u5237\u6216\u5b9a\u91cf\u70b9\u80f6，\u539a\u5ea6\u516c\u5dee\u63a7\u5236\u5728 \u00b120 \u03bcm \u4ee5\u5185，\u5e76\u5728\u88c5\u914d\u540e\u7528\u70ed\u50cf\u4eea\u62bd\u6837\u6821\u6838\u3002<\/p>\n

    \u6563\u70ed\u5668\u70ed\u963b\u4e0a\u9650\u7684\u53cd\u63a8<\/p>\n

    \u7ed9\u5b9a\u6700\u9ad8\u73af\u5883\u6e29\u5ea6 T_a_max（\u5de5\u4e1a\u53d8\u9891\u5668\u5e38\u89c1\u53d6 40 \u2103，\u5bc6\u95ed\u67dc\u5185\u53d6 50 \u2103）\u4e0e\u6a21\u5757\u5141\u8bb8\u6700\u9ad8\u7ed3\u6e29 T_j_max（\u6570\u636e\u624b\u518c\u5e38\u89c1 150 \u2103 \u6216 175 \u2103，\u9700\u6309\u964d\u989d\u7b56\u7565\u7559\u88d5\u91cf），\u6563\u70ed\u5668\u5141\u8bb8\u7684\u6700\u5927\u70ed\u963b\u4e3a：<\/p>\n

    R_th(s-a)_max = (T_j_max \u2212 T_a_max) \/ P_tot \u2212 R_th(j-c) \u2212 R_th(c-s)<\/p>\n

    \u5f3a\u8feb\u98ce\u51b7\u6563\u70ed\u5668\u7684 R_th(s-a) \u968f\u98ce\u901f\u8fd1\u4f3c\u6309\u5e42\u51fd\u6570\u4e0b\u964d，\u98ce\u901f\u4ece 1 m\/s \u63d0\u9ad8\u5230 4 m\/s \u65f6，\u70ed\u963b\u901a\u5e38\u53ef\u964d\u4f4e 30%~50%（\u5177\u4f53\u53d6\u51b3\u4e8e\u7fc5\u7247\u95f4\u8ddd\u4e0e\u9f7f\u9ad8\u6bd4）\u3002\u8bbe\u8ba1\u65f6\u5e94\u4ee5\u989d\u5b9a\u8f7d\u6ce2\u9891\u7387\u3001\u989d\u5b9a\u8f93\u51fa\u7535\u6d41\u4e0b\u7684 P_tot \u4e3a\u57fa\u51c6，\u5e76\u53e0\u52a0 1.2~1.3 \u500d\u7684\u5236\u9020\u4e0e\u8001\u5316\u88d5\u91cf\u3002<\/p>\n

    NTC \u91c7\u6837\u4e0e\u7ed3\u6e29\u4fee\u6b63<\/p>\n

    \u6a21\u5757\u5185\u7f6e NTC \u901a\u5e38\u8d34\u88c5\u4e8e\u82af\u7247\u4fa7\u65c1\u7684\u94dc\u57fa\u677f\u4e0a，\u5176\u8bfb\u6570 T_NTC \u4f4e\u4e8e\u5b9e\u9645\u7ed3\u6e29，\u7a33\u6001\u4fee\u6b63\u5f0f\u4e3a：<\/p>\n

    T_j = T_NTC + P \u00d7 R_th(j-NTC)<\/p>\n

    R_th(j-NTC) \u7531\u6a21\u5757\u5382\u5bb6\u7ed9\u51fa，\u5e38\u89c1\u91cf\u7ea7\u4e3a 0.1~0.5 K\/W\u3002\u77ac\u6001\u5de5\u51b5（\u52a0\u901f\u3001\u5236\u52a8\u3001\u51b2\u51fb\u8d1f\u8f7d）\u4e0b，NTC \u7684\u70ed\u65f6\u95f4\u5e38\u6570\u8fdc\u5927\u4e8e\u82af\u7247，\u8bfb\u6570\u6ede\u540e\u53ef\u8fbe 5~15 s，\u77ed\u65f6\u8fc7\u8f7d\u671f\u95f4\u4e0d\u80fd\u76f4\u63a5\u4ee5 T_NTC \u5224\u5b9a\u7ed3\u6e29，\u9700\u7ed3\u5408\u7535\u6d41\u6a21\u578b\u524d\u9988\u4f30\u7b97\u3002<\/p>\n

    \u8fc7\u70ed\u4fdd\u62a4\u5206\u7ea7\u6574\u5b9a<\/p>\n\n\u5c42\u7ea7\u5224\u636e（\u4ee5 T_j \u8ba1）\u52a8\u4f5c<\/tr>\n\n\n\n
    \u9884\u8b66<\/td>\nT_j \u2265 125 \u2103<\/td>\n\u9650\u5236\u8f93\u51fa\u7535\u6d41\u3001\u964d\u4f4e\u8f7d\u6ce2\u9891\u7387，\u8fdb\u5165\u964d\u8f7d\u8fd0\u884c<\/td>\n<\/tr>\n
    \u6545\u969c<\/td>\nT_j \u2265 145~150 \u2103<\/td>\n\u7acb\u5373\u5c01\u9501\u9a71\u52a8\u8109\u51b2\u3001\u62a5\u6545\u969c\u505c\u673a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4e24\u7ea7\u9608\u503c\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\u5e94\u4e0d\u5c0f\u4e8e\u6563\u70ed\u7cfb\u7edf\u7684\u4e3b\u70ed\u65f6\u95f4\u5e38\u6570，\u901a\u5e38 5~20 s，\u786e\u4fdd\u964d\u8f7d\u52a8\u4f5c\u6709\u8db3\u591f\u7a97\u53e3\u751f\u6548\u800c\u4e0d\u81f3\u4e8e\u9891\u7e41\u8df3\u95f8\u3002<\/p>\n

    \u5236\u52a8\u7535\u963b\u963b\u503c\u4e0e\u529f\u7387\u6821\u6838<\/p>\n

    \u5236\u52a8\u7535\u963b\u7684\u6700\u5c0f\u963b\u503c\u7531\u5236\u52a8\u7535\u538b\u9608\u503c\u4e0e\u7535\u963b\u9700\u5438\u6536\u7684\u5cf0\u503c\u529f\u7387\u5171\u540c\u51b3\u5b9a，\u5373 R_brake_min = V_DC_OV\u00b2 \/ P_brake_peak，\u5176\u4e2d V_DC_OV \u4e3a\u5236\u52a8\u5355\u5143\u52a8\u4f5c\u7684\u76f4\u6d41\u6bcd\u7ebf\u8fc7\u538b\u9608\u503c，P_brake_peak \u4e3a\u7535\u963b\u5728\u5236\u52a8\u5de5\u51b5\u4e0b\u9700\u6d88\u8017\u7684\u5cf0\u503c\u529f\u7387（\u5355\u4f4d W），\u91cf\u7eb2\u4e0a V\u00b2\/W = \u03a9，\u81ea\u6d3d\u3002\u9700\u8981\u5f3a\u8c03\u7684\u662f，P_brake_peak \u662f\u5cf0\u503c\u800c\u975e\u5e73\u5747\u529f\u7387，\u5b9e\u9645\u9009\u578b\u65f6\u8fd8\u5fc5\u987b\u6309\u5236\u52a8\u5355\u5143\u7684\u5360\u7a7a\u6bd4\u9650\u5236（\u5bfc\u901a\u65f6\u95f4\u4e0e\u5173\u65ad\u65f6\u95f4\u4e4b\u6bd4）\u6298\u7b97\u7535\u963b\u7684\u5e73\u5747\u53d1\u70ed\u529f\u7387\u4e0e\u70ed\u5bb9\u91cf，\u907f\u514d\u6309\u5cf0\u503c\u529f\u7387\u76f4\u63a5\u9009\u578b\u5bfc\u81f4\u7535\u963b\u8fc7\u70ed\u6216\u8fc7\u65e9\u8001\u5316；\u540c\u65f6\u963b\u503c\u4e0d\u5f97\u4f4e\u4e8e R_brake_min，\u5426\u5219\u5236\u52a8\u7535\u6d41\u4f1a\u8d85\u51fa\u5236\u52a8\u5355\u5143 IGBT \u6216\u7535\u963b\u7684\u7535\u6d41\u80fd\u529b\u3002<\/p>\n

    \u591a\u6a21\u5757\u5e76\u8054\u7684\u5747\u6e29\u5224\u636e<\/p>\n

    \u5e76\u8054\u6a21\u5757\u4e4b\u95f4\u56e0\u98ce\u9053\u5206\u5e03\u3001\u5b89\u88c5\u4f4d\u7f6e\u5dee\u5f02\u6613\u51fa\u73b0\u6563\u70ed\u4e0d\u5747\u3002\u4ee5\u5404\u6a21\u5757 NTC \u8bfb\u6570\u7684\u6700\u5927\u6e29\u5dee \u0394T_NTC_max \u4f5c\u4e3a\u5224\u636e，\u5e94\u63a7\u5236\u5728 5 \u2103 \u4ee5\u5185；\u8d85\u5dee\u65f6\u4f18\u5148\u8c03\u6574\u98ce\u9053\u5bfc\u6d41\u677f\u3001\u6a21\u5757\u5e03\u5c40\u95f4\u8ddd\u6216\u63d0\u9ad8\u98ce\u901f，\u5fc5\u8981\u65f6\u6309\u6700\u70ed\u6a21\u5757\u7684 P_tot \u91cd\u65b0\u6838\u7b97 R_th(s-a)_max\u3002<\/p>\n

    \u76f4\u6d41\u6bcd\u7ebf\u8fc7\u538b\u3001\u6b20\u538b\u4e0e\u8f93\u5165\u7f3a\u76f8\u7684\u68c0\u6d4b\u4e0e\u4fdd\u62a4\u903b\u8f91<\/h3>\n

    \u6bcd\u7ebf\u7535\u538b\u662f\u53d8\u9891\u5668\u80fd\u91cf\u6536\u652f\u7684"\u603b\u8d26\u672c"：\u7535\u52a8\u5de5\u51b5\u4e0b\u6574\u6d41\u4fa7\u4f9b\u80fd\u3001\u9006\u53d8\u4fa7\u8017\u80fd，\u6bcd\u7ebf\u5728\u7a7a\u8f7d\u6574\u6d41\u5cf0\u503c\u9644\u8fd1\u5c0f\u5e45\u56de\u843d；\u518d\u751f\u5de5\u51b5\u4e0b\u7535\u673a\u56de\u9988\u80fd\u91cf\u5012\u704c，\u6bcd\u7ebf\u88ab\u62ac\u5347，\u82e5\u5236\u52a8\u7535\u963b\u6216\u56de\u9988\u5355\u5143\u672a\u53ca\u65f6\u6295\u8fd0，\u8fc7\u538b\u4f1a\u76f4\u63a5\u52a0\u5728 IGBT \u7684 V_CE \u4e0a\u3002380 V \u7ea7\u6574\u6d41\u540e\u7a7a\u8f7d\u6bcd\u7ebf\u5178\u578b\u7ea6 540 V，690 V \u7ea7\u7ea6 980 V，\u636e\u6b64\u8bbe\u5b9a\u9608\u503c\u3002<\/p>\n

    \u8fc7\u538b\u9608\u503c\u4e0e\u5ef6\u65f6：V_DC_OV \u901a\u5e38\u8bbe\u4e3a\u6b63\u5e38\u6bcd\u7ebf\u7535\u538b\u7684 120%~130%，380 V \u7ea7\u5bf9\u5e94\u7ea6 650 V~700 V，690 V \u7ea7\u5bf9\u5e94\u7ea6 1 180 V~1 280 V\u3002\u53d6\u503c\u4e0a\u9650\u53d7\u7535\u5bb9\u8010\u538b\u4e0e IGBT V_CES \u9650\u5236，\u4e0b\u9650\u8981\u907f\u5f00\u6b63\u5e38\u51cf\u901f\u8fc7\u7a0b\u4e2d\u7684\u6bcd\u7ebf\u62ac\u5347\u3002\u52a8\u4f5c\u5ef6\u65f6\u5178\u578b 100 ms~500 ms，\u7528\u4e8e\u533a\u5206\u77ed\u65f6\u6ce2\u52a8\u4e0e\u6301\u7eed\u8fc7\u538b；\u82e5\u6bcd\u7ebf\u53d8\u5316\u7387 dV_DC\/dt \u8d85\u8fc7\u8bbe\u5b9a\u659c\u7387（\u5982\u96f7\u51fb\u540e\u6062\u590d\u3001\u7535\u5bb9\u8865\u507f\u6295\u5207），\u5e94\u8df3\u8fc7\u5ef6\u65f6\u7acb\u5373\u5c01\u9501 IGBT \u8109\u51b2，\u538b\u654f\u7535\u963b\u53ea\u505a\u94b3\u4f4d\u5438\u6536，\u4e0d\u80fd\u66ff\u4ee3\u8fc7\u538b\u4fdd\u62a4\u52a8\u4f5c\u3002<\/p>\n

    \u518d\u751f\u80fd\u91cf\u5904\u7406：\u5236\u52a8\u65a9\u6ce2\u5668\u4e0e\u9006\u53d8\u6865\u534f\u540c，\u6bcd\u7ebf\u7535\u538b\u73af\u5916\u73af\u7ed9\u51fa\u65a9\u6ce2\u5360\u7a7a\u6bd4 D，\u7535\u6d41\u73af\u5185\u73af\u9650\u5236 IGBT \u7535\u6d41\u3002R_brake_min = V_DC_OV\u00b2 \/ P_brake_peak，\u5176\u4e2d V_DC_OV \u4e3a\u8fc7\u538b\u9608\u503c（V），P_brake_peak \u4e3a\u5cf0\u503c\u5236\u52a8\u529f\u7387（W）；\u5b9e\u9645\u963b\u503c\u53d6 R_brake_min \u7684 1.1~1.3 \u500d\u4ee5\u7559\u88d5\u91cf\u3002\u5236\u52a8 IGBT \u7535\u6d41\u5b9a\u989d\u6309 I_brake = V_DC \/ R_brake \u9009\u578b，\u5360\u7a7a\u6bd4\u9650\u5236\u5178\u578b 50%~80%，\u9700\u6821\u6838\u7535\u963b\u70ed\u5bb9\u91cf\u4e0e\u65a9\u6ce2\u7ba1\u7ed3\u6e29\u3002<\/p>\n

    \u6b20\u538b\u4e0e\u77ac\u65f6\u6389\u7535：V_DC_UV \u901a\u5e38\u8bbe\u4e3a\u6700\u4f4e\u6b63\u5e38\u5de5\u4f5c\u7535\u538b\u7684 85%~90%，380 V \u7ea7\u5bf9\u5e94\u7ea6 420 V~450 V\u3002\u533a\u5206\u4e24\u7c7b：\u77ac\u65f6\u6389\u7535（\u51e0\u4e2a\u5de5\u9891\u5468\u671f\u5185\u6bcd\u7ebf\u8dcc\u843d\u4f46\u968f\u5373\u6062\u590d）\u8d70\u60ef\u6027\u518d\u542f\u52a8\u2014\u2014\u8bb0\u5f55\u5f53\u524d\u8f93\u51fa\u9891\u7387\u4e0e\u8f6c\u77e9，\u6bcd\u7ebf\u6062\u590d\u540e\u6309\u8f6c\u5dee\u9891\u7387\u8865\u507f\u91cd\u65b0\u5e76\u7f51，\u907f\u514d\u6e9c\u94a9；\u6301\u7eed\u6b20\u538b（\u8d85\u8fc7\u8bbe\u5b9a\u65f6\u95f4，\u5178\u578b 1 s~3 s）\u89e6\u53d1\u6545\u969c\u505c\u8f66，\u6309 GB\/T 30844.1-2024 \u7684\u6280\u672f\u6761\u4ef6\u6838\u5bf9\u4f4e\u7535\u538b\u7a7f\u8d8a\u8981\u6c42\u3002<\/p>\n

    \u8f93\u5165\u7f3a\u76f8：\u7f3a\u76f8\u65f6\u6bcd\u7ebf\u7535\u538b\u51fa\u73b0\u4e24\u500d\u5de5\u9891\u7eb9\u6ce2，50 Hz \u7535\u7f51\u5bf9\u5e94 100 Hz，60 Hz \u5bf9\u5e94 120 Hz，\u7eb9\u6ce2\u5e45\u503c\u4e0e\u8d1f\u8f7d\u7387\u6b63\u76f8\u5173\u3002\u68c0\u6d4b\u7b97\u6cd5\u5bf9\u6bcd\u7ebf\u7535\u538b\u91c7\u6837\u5e8f\u5217\u505a\u6ed1\u7a97\u5e45\u503c\u4e0e\u9891\u7387\u5224\u522b，\u8fde\u7eed N \u4e2a\u5468\u671f\u786e\u8ba4\u540e\u62a5\u7f3a\u76f8\u3002\u4fdd\u62a4\u5ef6\u65f6\u5178\u578b 1 s~3 s，\u5ef6\u65f6\u671f\u95f4\u5c06\u8f93\u51fa\u7535\u6d41\u9650\u5236\u5230\u989d\u5b9a\u7684 70% \u964d\u989d\u8fd0\u884c，\u907f\u514d\u5355\u76f8\u6574\u6d41\u4e0b\u7535\u5bb9\u7eb9\u6ce2\u7535\u6d41\u8fc7\u5927\u52a0\u901f\u8001\u5316；\u5ef6\u65f6\u5230\u4ecd\u672a\u6062\u590d\u5219\u505c\u673a\u3002<\/p>\n\n\u4fdd\u62a4\u9879\u5178\u578b\u9608\u503c（380 V \u7ea7\u524d\u63d0）\u5ef6\u65f6\u52a8\u4f5c<\/tr>\n\n\n\n\n
    \u8fc7\u538b<\/td>\n650 V~700 V<\/td>\n100 ms~500 ms<\/td>\n\u5236\u52a8\u6295\u8fd0\u2192\u5c01\u9501\u8109\u51b2<\/td>\n<\/tr>\n
    \u6b20\u538b<\/td>\n420 V~450 V<\/td>\n1 s~3 s<\/td>\n\u964d\u9891\u7ef4\u6301\u8f6c\u77e9\u2192\u6545\u969c\u505c\u8f66<\/td>\n<\/tr>\n
    \u7f3a\u76f8<\/td>\n\u7eb9\u6ce2\u5e45\u503c+100 Hz \u9891\u7387<\/td>\n1 s~3 s<\/td>\n\u964d\u989d 70%\u2192\u505c\u673a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u6392\u67e5\u987a\u5e8f：\u5148\u6d4b\u6bcd\u7ebf\u7a33\u6001\u503c\u4e0e\u7eb9\u6ce2，\u518d\u6838\u5bf9\u9608\u503c\u4e0e\u5ef6\u65f6\u53c2\u6570，\u6700\u540e\u68c0\u67e5\u5236\u52a8\u7535\u963b\u963b\u503c\u4e0e\u63a5\u7ebf\u3001\u8fdb\u7ebf\u63a5\u89e6\u5668\u4e0e\u7194\u65ad\u5668\u662f\u5426\u7f3a\u76f8\u3002\u5e38\u89c1\u8bef\u533a\u662f\u628a\u8fc7\u538b\u9608\u503c\u8bbe\u5f97\u8fc7\u4f4e\u5bfc\u81f4\u6b63\u5e38\u51cf\u901f\u8bef\u62a5，\u6216\u628a\u7f3a\u76f8\u5ef6\u65f6\u8bbe\u5f97\u8fc7\u957f\u4f7f\u7535\u5bb9\u957f\u671f\u627f\u53d7\u5927\u7eb9\u6ce2\u7535\u6d41\u3002<\/p>\n

    IGBT\u6a21\u5757\u5bff\u547d\u8bc4\u4f30\u6a21\u578b\u4e0e\u73b0\u573a\u5de5\u51b5\u4e0b\u7684\u53ef\u9760\u6027\u9a8c\u8bc1<\/h3>\n

    IGBT\u6a21\u5757\u7684\u5bff\u547d\u672c\u8d28\u4e0a\u7531\u7ed3\u6e29\u5faa\u73af\u9a71\u52a8\u3002\u5de5\u7a0b\u4e0a\u5e38\u7528 Coffin-Manson \u6a21\u578b\u63cf\u8ff0\u710a\u6599\u5c42\u75b2\u52b3，\u7528 LESIT \u6a21\u578b\u63cf\u8ff0\u952e\u5408\u7ebf\u8131\u843d，\u4e24\u8005\u90fd\u4ee5\u7ed3\u6e29\u5faa\u73af\u5e45\u503c \u0394T_j\u3001\u5faa\u73af\u5e73\u5747\u6e29\u5ea6 T_jm\u3001\u5faa\u73af\u9891\u7387 f_cycle \u4e3a\u81ea\u53d8\u91cf：<\/p>\n

    N_f = A \u00b7 (\u0394T_j)^(-\u03b1) \u00b7 (f_cycle)^\u03b2 \u00b7 exp(E_a \/ (k \u00b7 T_jm))<\/p>\n

    \u5f0f\u4e2d N_f \u4e3a\u5931\u6548\u524d\u5faa\u73af\u6b21\u6570，A \u4e3a\u4e0e\u5c01\u88c5\u7ed3\u6784\u76f8\u5173\u7684\u7cfb\u6570，\u03b1\u3001\u03b2 \u4e3a\u6a21\u578b\u6307\u6570，E_a \u4e3a\u6fc0\u6d3b\u80fd（\u5e38\u89c1\u53d6\u503c\u533a\u95f4\u7ea6 0.05 eV～0.4 eV，\u53d6\u51b3\u4e8e\u5931\u6548\u6a21\u5f0f），k \u4e3a\u73bb\u5c14\u5179\u66fc\u5e38\u6570\u3002Coffin-Manson \u5f62\u5f0f\u4e2d \u03b1 \u5e38\u89c1\u53d6 4～6，LESIT \u5f62\u5f0f\u4e2d \u03b1 \u5e38\u89c1\u53d6 2～4\u3002\u9891\u7387\u6307\u6570 \u03b2 \u7684\u7b26\u53f7\u9700\u4e0e\u7269\u7406\u673a\u7406\u4e00\u81f4：\u03b2<0 \u65f6，f_cycle \u8d8a\u4f4e（\u5faa\u73af\u8d8a\u6162），(f_cycle)^\u03b2 \u8d8a\u5927，N_f \u8d8a\u5927，\u5373\u5bff\u547d\u6b21\u6570\u589e\u52a0；\u4f46\u6bcf\u6b21\u5faa\u73af\u7684\u70ed\u5e94\u529b\u6301\u7eed\u65f6\u95f4\u66f4\u957f\u3001\u5355\u6b21\u635f\u4f24\u66f4\u5927，\u56e0\u6b64\u5728\u6309 Miner \u7d2f\u79ef\u635f\u4f24\u6298\u7b97\u5e74\u7b49\u6548\u5faa\u73af\u65f6，\u6162\u5faa\u73af\u7684\u5355\u5757\u635f\u4f24 n_i\/N_f,i \u53cd\u800c\u53ef\u80fd\u66f4\u9ad8，\u8868\u73b0\u4e3a"\u5faa\u73af\u8d8a\u6162\u3001\u710a\u5c42\u8d8a\u6613\u75b2\u52b3"\u3002\u53cd\u4e4b \u03b2>0 \u65f6\u5feb\u5faa\u73af\u66f4\u4e0d\u5229，\u901a\u5e38\u5bf9\u5e94\u70ed\u65f6\u95f4\u5e38\u6570\u4e0e\u5faa\u73af\u5468\u671f\u53ef\u6bd4\u62df\u7684\u573a\u5408\u3002\u5b9e\u9645\u6807\u5b9a\u65f6\u5e94\u7ed3\u5408\u70ed\u65f6\u95f4\u5e38\u6570\u4e0e\u5faa\u73af\u5468\u671f\u7684\u76f8\u5bf9\u5173\u7cfb\u786e\u5b9a \u03b2 \u7684\u53d6\u503c\u4e0e\u7b26\u53f7，\u4e0d\u80fd\u4ec5\u51ed\u7ecf\u9a8c\u5957\u7528\u3002\u710a\u63a5\u5f0f\u6a21\u5757\u710a\u5c42\u8f83\u539a\u3001\u70ed\u963b\u94fe\u66f4\u957f，\u03b1 \u504f\u5927；\u538b\u63a5\u5f0f\u6a21\u5757\u65e0\u710a\u5c42\u3001\u952e\u5408\u7ebf\u5c11，\u5931\u6548\u5224\u636e\u4e0e\u53c2\u6570\u9700\u5355\u72ec\u6807\u5b9a，\u4e0d\u80fd\u76f4\u63a5\u5957\u7528\u710a\u63a5\u5f0f\u7cfb\u6570\u3002<\/p>\n

    \u73b0\u573a\u5de5\u51b5\u4e0b，\u7ed3\u6e29 T_j \u4e0d\u662f\u7a33\u6001\u503c，\u800c\u662f\u968f\u8d1f\u8f7d\u6ce2\u52a8\u7684\u968f\u673a\u8fc7\u7a0b\u3002\u4ee5\u63d0\u5347\u7c7b\u673a\u6784\u4e3a\u4f8b，\u4e00\u6b21\u5b8c\u6574\u7684\u63d0\u5347\u2014\u5236\u52a8\u2014\u4e0b\u653e\u5faa\u73af\u4e2d，\u7535\u6d41\u5728\u8d77\u52a8\u6bb5\u3001\u722c\u884c\u6bb5\u3001\u5236\u52a8\u6bb5\u5404\u51fa\u73b0\u5cf0\u503c，\u7ed3\u6e29\u968f\u4e4b\u8d77\u4f0f；\u4f20\u9001\u5e26\u7c7b\u8d1f\u8f7d\u8d77\u505c\u9891\u7e41\u3001\u0394T_j \u4e2d\u7b49\u4f46 f_cycle \u9ad8；\u98ce\u673a\u7c7b\u8d1f\u8f7d\u957f\u65f6\u95f4\u4f4e\u5e45\u6ce2\u52a8，\u0394T_j \u5c0f\u4f46\u5faa\u73af\u6b21\u6570\u591a\u3002\u63d0\u53d6\u7ed3\u6e29\u8c31\u7684\u6807\u51c6\u505a\u6cd5\u662f\u96e8\u6d41\u8ba1\u6570\u6cd5：\u5148\u6309\u91c7\u6837\u5468\u671f\u8bb0\u5f55 T_j(t)（\u91c7\u6837\u5468\u671f\u5b9c\u5c0f\u4e8e\u6700\u5c0f\u70ed\u65f6\u95f4\u5e38\u6570\u7684 1\/5），\u518d\u505a\u5cf0\u8c37\u63d0\u53d6\u4e0e\u95ed\u5408\u5904\u7406，\u6700\u540e\u914d\u5bf9\u8ba1\u6570\u5f97\u5230 (\u0394T_j, T_jm, f_cycle) \u4e09\u5143\u7ec4\u5e8f\u5217\u3002\u5e74\u7b49\u6548\u5faa\u73af\u6b21\u6570\u7531\u5404\u8ba1\u6570\u5757\u6309 Miner \u7ebf\u6027\u7d2f\u79ef\u635f\u4f24\u6298\u7b97：<\/p>\n

    D_year = \u03a3 (n_i \/ N_f,i)，N_year,eq = N_ref \/ D_year<\/p>\n

    \u5f0f\u4e2d n_i \u4e3a\u7b2c i \u4e2a\u8ba1\u6570\u5757\u5e74\u5185\u51fa\u73b0\u6b21\u6570，N_f,i \u4e3a\u8be5\u5757\u5bf9\u5e94\u7684\u5bff\u547d\u5faa\u73af\u6570，N_ref \u4e3a\u53c2\u8003\u5faa\u73af\u6570\u3002<\/p>\n

    \u9000\u5316\u7279\u5f81\u53ef\u91cf\u5316\u76d1\u6d4b：\u952e\u5408\u7ebf\u8131\u843d\u4f7f\u901a\u6001\u538b\u964d V_CE(sat) \u4e0a\u5347，\u4e0a\u5347 5%～10% \u5373\u5224\u4e3a\u952e\u5408\u7ebf\u52a3\u5316；\u710a\u6599\u5c42\u75b2\u52b3\u4f7f\u70ed\u963b R_th(j-c) \u4e0a\u5347，\u4e0a\u5347 20% \u4ee5\u4e0a\u5224\u4e3a\u710a\u5c42\u88c2\u7eb9\u3002\u5728\u7ebf\u76d1\u6d4b\u53ef\u5728\u56fa\u5b9a\u5c0f\u7535\u6d41\u4e0b\u6d4b V_CE(sat)，\u5e76\u5728\u6052\u5b9a\u635f\u8017\u9636\u8dc3\u540e\u7531\u6e29\u5347\u53cd\u63a8 R_th(j-c)\u3002<\/p>\n

    \u52a0\u901f\u5bff\u547d\u8bd5\u9a8c（ALT）\u6309\u529f\u7387\u5faa\u73af\u6cd5\u6267\u884c，\u5178\u578b \u0394T_j \u8bbe\u5b9a 80 K～120 K，\u5faa\u73af\u5468\u671f 2 min～6 min，\u5931\u6548\u5224\u636e\u53d6 V_CE(sat) \u589e\u52a0 5% \u6216 R_th(j-c) \u589e\u52a0 20%\u3002<\/p>\n\n\u5065\u5eb7\u6307\u6807\u521d\u59cb\u57fa\u51c6\u9884\u8b66\u9608\u503c\u5904\u7f6e\u5efa\u8bae<\/tr>\n\n\n\n\n
    V_CE(sat)<\/td>\n\u51fa\u5382\/\u9996\u68c0\u503c<\/td>\n\u504f\u79bb 15%～20%<\/td>\n\u8ba1\u5212\u66f4\u6362<\/td>\n<\/tr>\n
    R_th(j-c)<\/td>\n\u70ed\u963b\u6807\u5b9a\u503c<\/td>\n\u504f\u79bb 15%～20%<\/td>\n\u68c0\u67e5\u6563\u70ed\u5e76\u51c6\u5907\u66f4\u6362<\/td>\n<\/tr>\n
    \u5f00\u5173\u65f6\u95f4<\/td>\n\u9996\u68c0\u503c<\/td>\n\u504f\u79bb 15%～20%<\/td>\n\u6838\u67e5\u9a71\u52a8\u4e0e\u8001\u5316\u8d8b\u52bf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u6574\u673aEMC\u8bbe\u8ba1\u4e2d\u5bf9IGBT\u5f00\u5173\u632f\u8361\u7684\u6291\u5236\u4e0e\u6ee4\u6ce2\u5339\u914d<\/h3>\n

    IGBT \u5f00\u901a\u4e0e\u5173\u65ad\u7684\u77ac\u6001\u51b3\u5b9a\u6574\u673a\u4f20\u5bfc\u53d1\u5c04\u57fa\u7ebf\u3002\u5f00\u901a\u7535\u6d41\u4e0a\u5347\u7387 di\/dt \u4e0e\u5173\u65ad\u7535\u538b\u4e0a\u5347\u7387 dv\/dt \u5171\u540c\u6784\u6210\u5e72\u6270\u6e90\u5f3a\u5ea6，\u4e24\u8005\u7ecf\u6bcd\u6392\u5bc4\u751f\u7535\u611f\u3001\u6a21\u5757\u5bf9\u6563\u70ed\u5668\u5bc4\u751f\u7535\u5bb9 C_p \u5f62\u6210\u5171\u6a21\u4e0e\u5dee\u6a21\u8026\u5408\u8def\u5f84\u3002\u5de5\u7a0b\u5b9e\u6d4b\u89c4\u5f8b：dv\/dt \u7531 5 kV\/\u03bcs \u964d\u81f3 2 kV\/\u03bcs（\u524d\u63d0\u4e3a 690 V \u7ea7\u6bcd\u7ebf\u3001\u8f7d\u6ce2\u9891\u7387 4 kHz～8 kHz），150 kHz～30 MHz \u9891\u6bb5\u5171\u6a21\u566a\u58f0\u666e\u904d\u4e0b\u964d\u7ea6 6 dB～10 dB\u3002\u5b9e\u73b0\u624b\u6bb5\u4ee5\u589e\u5927\u95e8\u6781\u7535\u963b R_g \u4e3a\u4e3b，\u4ee3\u4ef7\u662f\u5f00\u5173\u635f\u8017\u4e0a\u5347\u3001\u7ed3\u6e29\u62ac\u9ad8，\u9700\u56de\u5230\u635f\u8017\u4e0e\u70ed\u963b\u94fe\u590d\u6838\u964d\u989d\u4f59\u91cf\u3002<\/p>\n

    \u8f93\u5165\u4fa7 EMI \u6ee4\u6ce2\u5668\u8bbe\u8ba1<\/p>\n

    \u5dee\u6a21\u5e72\u6270\u4ee5\u8f7d\u6ce2\u9891\u7387 f_sw \u53ca\u5176\u6574\u6570\u500d\u4e3a\u4e3b，\u8870\u51cf\u76ee\u6807\u5728 150 kHz \u5904\u901a\u5e38\u53d6 40 dB～60 dB（\u524d\u63d0\u4e3a\u901a\u8fc7 GB\/T 12668.3-2025 \u5bf9\u5e94\u7684\u4f20\u5bfc\u53d1\u5c04\u9650\u503c）\u3002\u6ee4\u6ce2\u5668\u8f6c\u6298\u9891\u7387 f_c \u5e94\u4f4e\u4e8e f_sw \u4e00\u4e2a\u5341\u500d\u9891\u7a0b，\u5373 f_c \u2264 f_sw\/10，\u4fdd\u8bc1\u5f00\u5173\u9891\u7387\u5904\u5df2\u6709\u8db3\u591f\u63d2\u5165\u635f\u8017\u3002<\/p>\n\n\u8bbe\u8ba1\u8981\u7d20\u5178\u578b\u53d6\u503c\u8303\u56f4\u524d\u63d0\u6761\u4ef6<\/tr>\n\n\n\n\n
    \u8f6c\u6298\u9891\u7387 f_c<\/td>\nf_sw\/10 \u4ee5\u4e0b<\/td>\n\u8f7d\u6ce2 4 kHz～8 kHz<\/td>\n<\/tr>\n
    \u5dee\u6a21\u7535\u611f<\/td>\n\u6570\u767e \u03bcH \u7ea7<\/td>\n\u4e0e\u6bcd\u7ebf\u7535\u5bb9\u534f\u540c<\/td>\n<\/tr>\n
    Y \u7535\u5bb9<\/td>\n1 nF～4.7 nF<\/td>\n\u53d7\u6f0f\u7535\u6d41\u9650\u503c\u7ea6\u675f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u8f93\u51fa\u4fa7\u53cd\u5c04\u6ce2\u6291\u5236<\/p>\n

    \u957f\u7ebf\u7535\u7f06\u672b\u7aef\u963b\u6297\u4e0d\u5339\u914d\u4ea7\u751f\u53cd\u5c04，\u7535\u673a\u7aef\u7535\u538b\u53ef\u5347\u81f3\u6bcd\u7ebf\u7535\u538b 1.5～2 \u500d\u3002\u4e34\u754c\u957f\u5ea6 L_crit = (t_rise \u00d7 v) \/ 2，t_rise \u4e3a IGBT \u5f00\u901a\u4e0a\u5347\u65f6\u95f4（\u901a\u5e38 50 ns～200 ns），v \u4e3a\u7535\u7f06\u4e2d\u6ce2\u901f（\u7ea6 150 m\/\u03bcs）\u3002\u5f53\u5b9e\u9645\u7535\u7f06\u957f\u5ea6\u8d85\u8fc7 L_crit，\u5e94\u52a0\u88c5\u8f93\u51fa\u7535\u6297\u5668\u6216 dv\/dt \u6ee4\u6ce2\u5668，\u7535\u6297\u503c\u6309\u6291\u5236\u7535\u673a\u7aef\u5cf0\u503c\u7535\u538b\u81f3\u6bcd\u7ebf\u7535\u538b 1.3 \u500d\u4ee5\u5185\u6821\u6838，\u5e76\u590d\u6838\u538b\u964d\u5bf9\u4f4e\u9891\u8f6c\u77e9\u7684\u5f71\u54cd\u3002<\/p>\n

    \u5171\u6a21\u8def\u5f84\u4e0e\u5c4f\u853d<\/p>\n

    \u6a21\u5757\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u5bc4\u751f\u7535\u5bb9 C_p \u901a\u5e38 50 pF～200 pF，\u662f\u5171\u6a21\u7535\u6d41\u6d41\u5411\u5730\u7684\u4e3b\u8981\u901a\u9053\u3002\u5728\u6a21\u5757\u4e0e\u6563\u70ed\u5668\u95f4\u63d2\u5165\u6cd5\u62c9\u7b2c\u5c4f\u853d\u5c42（\u8584\u94dc\u7b94\u52a0\u7edd\u7f18\u57ab），\u5c4f\u853d\u5c42\u5f15\u51fa\u70b9\u5e94\u63a5\u81f3\u76f4\u6d41\u6bcd\u7ebf\u4e2d\u70b9\u6216\u72ec\u7acb\u53c2\u8003\u70b9，\u907f\u514d\u5f62\u6210\u4e8c\u6b21\u73af\u8def\u3002\u5c4f\u853d\u5c42\u63a5\u5730\u7ebf\u5c3d\u91cf\u77ed\u3001\u5bbd，\u51cf\u5c0f\u9ad8\u9891\u963b\u6297\u3002<\/p>\n

    \u8d85\u6807\u9891\u70b9\u7684\u5c40\u90e8\u6ee4\u6ce2<\/p>\n

    \u4f20\u5bfc\u53d1\u5c04\u6d4b\u8bd5\u4e2d，\u5f00\u5173\u9891\u7387\u6574\u6570\u500d\u9891\u70b9\u5e38\u89c1\u8d85\u6807\u3002\u5904\u7406\u987a\u5e8f：<\/p>\n

  • \u5b9a\u4f4d\u8d85\u6807\u9891\u70b9\u4e0e f_sw\u3001f_sw\u00d72 \u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/li>\n
  • \u5728\u6574\u6d41\u8f93\u5165\u7aef\u6216\u6a21\u5757\u76f4\u6d41\u7aef\u5b50\u5904\u52a0\u94c1\u6c27\u4f53\u78c1\u73e0，\u963b\u6297\u5cf0\u503c\u9891\u7387\u5bf9\u51c6\u8d85\u6807\u9891\u70b9\u3002<\/li>\n
  • \u914d\u5408 Y \u7535\u5bb9（1 nF～4.7 nF）\u6784\u6210\u4f4e\u901a\u7f51\u7edc，\u7535\u5bb9\u63a5\u5730\u7ebf\u77ed\u63a5\u81f3\u673a\u58f3\u3002<\/li>\n
  • \u590d\u6d4b\u5e76\u8bb0\u5f55\u6574\u6539\u524d\u540e dB\u03bcV \u5dee\u503c\u3002<\/li>\n

    \u5e38\u89c1\u8bef\u533a<\/p>\n

      \n
    • \u5355\u7eaf\u52a0\u5927 R_g \u6291\u5236 dv\/dt，\u672a\u590d\u6838\u7ed3\u6e29\u4e0e\u5bff\u547d\u8bc4\u4f30\u3002<\/li>\n
    • \u6ee4\u6ce2\u5668\u8f6c\u6298\u9891\u7387\u4e0e f_sw \u8fc7\u8fd1，\u4f4e\u9891\u6bb5\u63d2\u5165\u635f\u8017\u4e0d\u8db3\u3002<\/li>\n
    • \u5ffd\u7565\u5c4f\u853d\u5c42\u63a5\u5730\u8def\u5f84，\u5bfc\u81f4\u5171\u6a21\u7535\u6d41\u6539\u8d70\u4fe1\u53f7\u5730\u3002<\/li>\n
    • \u8f93\u51fa\u7535\u6297\u5668\u538b\u964d\u672a\u8ba1\u5165\u4f4e\u9891\u8d77\u52a8\u8f6c\u77e9\u6821\u6838\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      \u53d8\u9891\u5668IGBT\u9009\u578b\u8ba1\u7b97\u4e0eRBSOA\u6821\u9a8c\u5de5\u7a0b\u65b9\u6cd5
      \n\u57fa\u4e8e\u8d1f\u8f7d\u7279\u6027\u7684IGBT\u7535\u6d41\u5b9a\u989d\u8ba1\u7b97\u4e0e\u964d\u989d\u8bbe\u8ba1
      \nIGBT \u7684\u7535\u6d41\u5b9a\u989d\u4e0d\u662f\u300c\u53d8\u9891\u5668\u989d\u5b9a\u7535\u6d41 \u00d7 \u67d0\u4e2a\u7cfb\u6570\u300d\u8fd9\u4e48\u7b80\u5355\u3002\u5931\u6548\u7269\u7406\u7684\u89d2\u5ea6\u770b，\u9650\u5236\u5bff\u547d\u7684\u662f\u7ed3\u6e29 T_j \u4e0e\u529f\u7387\u5faa\u73af，\u800c T_j \u7531\u5bfc\u901a\u635f\u8017\u4e0e\u5f00\u5173\u635f\u8017\u5171\u540c\u51b3\u5b9a；\u4e24\u8005\u90fd\u968f\u7535\u6d41\u975e\u7ebf\u6027\u4e0a\u5347，\u4e14\u5f00\u5173\u635f\u8017\u4e0e f_sw \u6210\u6b63\u6bd4\u3002\u56e0\u6b64\u9009\u578b\u57fa\u51c6\u5fc5\u987b\u540c\u65f6\u643a\u5e26\u7535\u6d41\u3001\u8fc7\u8f7d\u500d\u6570\u4e0e f_sw \u4e09\u4e2a\u7ef4\u5ea6\u3002
      \n1. \u7535\u6d41\u5b9a\u989d\u57fa\u51c6\u503c\u7684\u8ba1\u7b97
      \n\u4ee5\u53d8\u9891\u5668\u989d\u5b9a\u8f93\u51fa\u7535<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12902,993,270,977],"topic":[],"class_list":["post-113643","post","type-post","status-publish","format-standard","hentry","category-server","tag-12902","tag-993","tag-270","tag-977"],"yoast_head":"\n\u53d8\u9891\u5668IGBT\u9009\u578b\u8ba1\u7b97\u4e0eRBSOA\u6821\u9a8c\u5de5\u7a0b\u65b9\u6cd5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/113643.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u53d8\u9891\u5668IGBT\u9009\u578b\u8ba1\u7b97\u4e0eRBSOA\u6821\u9a8c\u5de5\u7a0b\u65b9\u6cd5 - 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