{"id":119857,"date":"2026-10-30T15:09:28","date_gmt":"2026-10-30T07:09:28","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119857.html"},"modified":"2026-10-30T15:09:28","modified_gmt":"2026-10-30T07:09:28","slug":"ac-dc-ac-%e4%ba%a4-%e7%9b%b4-%e4%ba%a4%e5%8f%98%e9%a2%91%e5%99%a8%e4%bb%bf%e7%9c%9f%e5%88%86%e6%9e%90%e6%8a%a5%e5%91%8a","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119857.html","title":{"rendered":"AC\/DC\/AC \u4ea4\u2014\u76f4\u2014\u4ea4\u53d8\u9891\u5668\u4eff\u771f\u5206\u6790\u62a5\u544a"},"content":{"rendered":"

\/* MD \/ \u5bcc\u6587\u672c\u4e2d\u7684 .toc\uff08\u542b\u535a\u5ba2\u56ed\u642c\u5bb6\u7b49\u5d4c\u5957\u7ed3\u6784\uff09\uff1b.toc-box \u5728\u4fa7\u680f\uff0c\u4e0d\u53d7\u5f71\u54cd *\/
\n #content_views .toc,
\n \/* \u7f16\u8f91\u5668\u5e38\u5728\u76ee\u5f55\u524d\u540e\u63d2\u5165\u7a7a p\uff08:empty \u4ecd\u5360 20px\uff09\uff0c\u4e00\u5e76\u53bb\u6389\u907f\u514d\u9876\u7a7a\u9699 *\/
\n #content_views.markdown_views > p:empty:has(+ .toc),
\n #content_views.markdown_views > .toc + p:empty,
\n \/* \u5bcc\u6587\u672c\u65e7\u7248\u76ee\u5f55\u6807\u8bb0 *\/
\n #content_views.htmledit_views #main-toc,
\n #content_views.htmledit_views #hr-toc,
\n #content_views.htmledit_views p[id*=\\”-toc\\”] {
\n display: none !important;
\n }
\n \/* \u76ee\u5f55\u53bb\u6389\u540e\uff0c\u7d27\u8ddf\u7684\u9996\u4e2a\u6807\u9898\u4e0d\u518d\u591a\u51fa\u4e00\u5757\u4e0a\u8fb9\u8ddd *\/
\n #content_views.markdown_views > .toc + h1,
\n #content_views.markdown_views > .toc + h2,
\n #content_views.markdown_views > .toc + h3,
\n #content_views.markdown_views > .toc + h4,
\n #content_views.markdown_views > .toc + p:empty + h1,
\n #content_views.markdown_views > .toc + p:empty + h2,
\n #content_views.markdown_views > .toc + p:empty + h3,
\n #content_views.markdown_views > .toc + p:empty + h4 {
\n margin-top: 0 !important;
\n }<\/p>\n

AC\/DC\/AC \u4ea4\u2014\u76f4\u2014\u4ea4\u53d8\u9891\u5668\u4eff\u771f\u5206\u6790\u62a5\u544a<\/h2>\n

\u6a21\u578b\u6587\u4ef6：ACDCACConverter.slx（Simulink，Specialized Power Systems） \u4eff\u771f\u73af\u5883：MATLAB \/ Simulink R2023b（23.2.0.2365128） \u4eff\u771f\u65e5\u671f：2026-10-05 \u5206\u6790\u5de5\u5177：MATLAB \u793a\u6ce2\u5668\u622a\u56fe + Python 3.13（matplotlib，\u9075\u5faa matplotlib-plot-cn \u7ed8\u56fe\u89c4\u8303）<\/p>\n

\n

\u76ee\u5f55<\/h3>\n
  • \u6a21\u578b\u6982\u8ff0<\/li>\n
  • \u4e3b\u7535\u8def\u62d3\u6251\u4e0e\u53c2\u6570<\/li>\n
  • \u4eff\u771f\u8bbe\u7f6e<\/li>\n
  • \u793a\u6ce2\u5668\u622a\u56fe<\/li>\n
  • \u6ce2\u5f62\u6570\u636e\u5206\u6790<\/li>\n
  • \u9891\u8c31\u4e0e\u8c10\u6ce2\u5206\u6790<\/li>\n
  • \u5173\u952e\u8bbe\u8ba1\u7ed3\u8bba<\/li>\n
  • \u6587\u4ef6\u6e05\u5355\u4e0e\u590d\u73b0\u65b9\u6cd5<\/li>\n
  • \u5206\u6790\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u7684\u95ee\u9898\u4e0e\u5904\u7406<\/li>\n
  • \u5173\u952e\u53c2\u6570\u4e0e\u7075\u654f\u5ea6\u5206\u6790<\/li>\n
    \n

    1. \u6a21\u578b\u6982\u8ff0<\/h3>\n

    \u672c\u6a21\u578b\u662f MathWorks \u968f\u9644\u7684\u7ecf\u5178\u793a\u4f8b（Copyright 2016 Hydro-Quebec, and The MathWorks, Inc.），\u6f14\u793a\u4e00\u53f0 \u4ea4\u2014\u76f4\u2014\u4ea4（AC\/DC\/AC）\u53d8\u9891\u5668 \u7684\u5b8c\u6574\u8fd0\u884c\u8fc7\u7a0b：<\/p>\n

    \u4e00\u53f0 60 Hz \u7535\u538b\u6e90\u7ecf Yg\/\u0394 \u53d8\u538b\u5668\u964d\u538b\u540e，\u7531\u516d\u8109\u6ce2\u4e8c\u6781\u7ba1\u6574\u6d41\u6865\u6574\u6d41；\u6ee4\u6ce2\u540e\u7684\u76f4\u6d41\u7535\u538b\u65bd\u52a0\u4e8e IGBT \u4e24\u7535\u5e73\u9006\u53d8\u5668，\u7531 SPWM（2 kHz \u8f7d\u6ce2） \u4ea7\u751f 50 Hz \u8f93\u51fa，\u5411 50 kW \u8d1f\u8f7d\u4f9b\u7535\u3002\u7535\u8def\u79bb\u6563\u91c7\u6837\u65f6\u95f4\u4e3a 4 \u03bcs\u3002<\/p>\n

    \u80fd\u91cf\u94fe\u8def：<\/p>\n

    25 kV \/ 60 Hz \u7535\u7f51 \u2192 \u5347\u538b\u53d8\u538b\u5668(25 kV\/600 V) \u2192 \u516d\u8109\u6ce2\u6574\u6d41\u6865 \u2192 \u76f4\u6d41\u6bcd\u7ebf(\u2248779 V)
    \n \u2192 IGBT \u4e24\u7535\u5e73\u9006\u53d8\u5668(SPWM, 2 kHz) \u2192 2 mH \u6ee4\u6ce2 \u2192 380 V \/ 50 Hz \u8d1f\u8f7d(50 kW)<\/p>\n

    \u6a21\u578b\u7684\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e\u540c\u65f6\u4f53\u73b0\u4e86\u4e09\u4e2a\u7535\u529b\u7535\u5b50\u53d8\u6362\u73af\u8282\u7684\u7269\u7406\u7279\u5f81：<\/p>\n\n\u73af\u8282\u5668\u4ef6\u53ef\u89c2\u6d4b\u7279\u5f81<\/tr>\n\n\n\n\n
    \u6574\u6d41<\/td>\n\u4e8c\u6781\u7ba1\u6865（\u4e0d\u53ef\u63a7）<\/td>\n\u7535\u7f51\u7535\u6d41\u5448\u516d\u8109\u6ce2，\u4e0e\u7535\u7f51\u9891\u7387 6 \u500d\u540c\u6b65<\/td>\n<\/tr>\n
    \u76f4\u6d41<\/td>\n5000 \u03bcF \u7535\u5bb9<\/td>\n\u6bcd\u7ebf\u7535\u538b\u542b 360 Hz（6\u00d760 Hz）\u7eb9\u6ce2<\/td>\n<\/tr>\n
    \u9006\u53d8<\/td>\nIGBT \u4e24\u7535\u5e73 + SPWM<\/td>\n\u8f93\u51fa\u7535\u538b\u4e3a\u516d\u8109\u6ce2 PWM \u53f0\u9636\u6ce2，\u542b\u8f7d\u6ce2\u4fa7\u5e26\u8c10\u6ce2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    2. \u4e3b\u7535\u8def\u62d3\u6251\u4e0e\u53c2\u6570<\/h3>\n

    \u4e0b\u56fe\u76f4\u63a5\u53d6\u81ea MATLAB R2023b \u4e2d\u6253\u5f00\u7684\u539f\u6a21\u578b（\u5b8c\u6574\u6846\u56fe\u89c1\u7b2c 4.1 \u8282）\u3002 \u4e0b\u8868\u7684\u53c2\u6570\u5747\u4ece .slx \u7684\u5757\u53c2\u6570\u4e2d\u9010\u9879\u8bfb\u51fa，\u5e76\u4ee5 system_root.xml \u91cc\u7684 \u7269\u7406\u8fde\u7ebf（lconn\/rconn \u7aef\u53e3\u6620\u5c04）\u786e\u8ba4\u4e86\u5404\u5143\u4ef6\u7684\u5b9e\u9645\u8fde\u63a5\u4f4d\u7f6e\u2014\u2014 \u8fd9\u4e00\u70b9\u5f88\u5173\u952e：200 \u00b5H \u4e32\u8054\u7535\u611f\u4f4d\u4e8e\u76f4\u6d41\u4fa7\u30012 mH \u6ee4\u6ce2\u7535\u611f\u4f4d\u4e8e\u9006\u53d8\u5668\u8f93\u51fa\u4fa7， \u4ec5\u770b\u5757\u540d\u5bb9\u6613\u8bef\u5224\u3002<\/p>\n

    \"\u6a21\u578b\u6846\u56fe\"<\/p>\n

    2.1 \u53c2\u6570\u660e\u7ec6（\u5168\u90e8\u53d6\u81ea\u6a21\u578b\u5757\u53c2\u6570，\u975e\u4f30\u7b97）<\/h4>\n

    \u4ea4\u6d41\u7535\u7f51\u4fa7<\/p>\n\n\u53c2\u6570\u6570\u503c\u6765\u6e90\u5757<\/tr>\n\n\n\n\n\n\n
    \u989d\u5b9a\u7535\u538b<\/td>\n25 kV（\u7ebf\u7535\u538b）<\/td>\n25 kV, 60 Hz 10 MVA<\/td>\n<\/tr>\n
    \u9891\u7387<\/td>\n60 Hz<\/td>\n\u540c\u4e0a<\/td>\n<\/tr>\n
    \u77ed\u8def\u5bb9\u91cf<\/td>\n10 MVA<\/td>\n\u540c\u4e0a<\/td>\n<\/tr>\n
    \u5185\u963b\u6297<\/td>\nR = 25 kV\u00b2\/10 MVA\/5 = 12.5 \u03a9，L = 25 kV\u00b2\/10 MVA\/2\u03c0\u00b760 = 0.166 H<\/td>\n\u7531 X\/R = 5 \u6298\u7b97<\/td>\n<\/tr>\n
    \u63a5\u5730\u65b9\u5f0f<\/td>\nYg<\/td>\nInternalConnection = Yg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5347\u538b\u53d8\u538b\u5668<\/p>\n\n\u53c2\u6570\u6570\u503c<\/tr>\n\n\n\n\n\n\n
    \u53d8\u6bd4<\/td>\n25 kV \/ 600 V<\/td>\n<\/tr>\n
    \u5bb9\u91cf<\/td>\n50 kVA<\/td>\n<\/tr>\n
    \u63a5\u7ebf<\/td>\nYg \/ \u0394(D1)<\/td>\n<\/tr>\n
    \u77ed\u8def\u963b\u6297<\/td>\nR\u2081 = X\u2081 = 0.004 + j0.02 p.u.（\u4e24\u4fa7\u76f8\u540c）<\/td>\n<\/tr>\n
    \u52b1\u78c1\u7535\u6297<\/td>\n200 p.u.（\u672c\u6b21\u4eff\u771f\u4e2d\u52b1\u78c1\u7535\u6d41\u53ef\u5ffd\u7565）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u6574\u6d41\u6865<\/p>\n\n\u53c2\u6570\u6570\u503c<\/tr>\n\n\n\n\n
    \u7c7b\u578b<\/td>\n\u4e09\u76f8\u5168\u6ce2（6 \u8109\u6ce2）\u4e8c\u6781\u7ba1\u6865<\/td>\n<\/tr>\n
    \u5668\u4ef6\u53c2\u6570<\/td>\nR_on = 1 m\u03a9，\u6b63\u5411\u538b\u964d V_f = 0.8 V<\/td>\n<\/tr>\n
    \u7f13\u51b2\u7535\u8def<\/td>\nR = 100 \u03a9，C = 0.1 \u03bcF<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u76f4\u6d41\u6bcd\u7ebf<\/p>\n\n\u53c2\u6570\u6570\u503c<\/tr>\n\n\n\n
    \u4e32\u8054\u7535\u611f L1<\/td>\n200 \u03bcH，\u4e32\u8054\u7535\u963b 1 \u03a9<\/td>\n<\/tr>\n
    \u6bcd\u7ebf\u7535\u5bb9 C<\/td>\n5000 \u03bcF，\u521d\u59cb\u7535\u538b 775 V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u9006\u53d8\u5668\u4e0e\u8c03\u5236<\/p>\n\n\u53c2\u6570\u6570\u503c<\/tr>\n\n\n\n\n\n\n\n
    \u9006\u53d8\u5668<\/td>\nIGBT \u4e24\u7535\u5e73\u6865，R_on = 1 m\u03a9<\/td>\n<\/tr>\n
    \u8f7d\u6ce2\u9891\u7387<\/td>\n2 kHz<\/td>\n<\/tr>\n
    \u8f93\u51fa\u57fa\u9891<\/td>\n50 Hz<\/td>\n<\/tr>\n
    \u8c03\u5236\u5ea6<\/td>\nm = 0.8<\/td>\n<\/tr>\n
    \u8c03\u5236\u65b9\u5f0f<\/td>\n\u672a\u540c\u6b65\u8f7d\u6ce2（Unsynchronized），\u81ea\u7136\u91c7\u6837<\/td>\n<\/tr>\n
    \u8f7d\u6ce2\u6bd4<\/td>\n2000 \/ 50 = 40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4ea4\u6d41\u8f93\u51fa\u4fa7<\/p>\n\n\u53c2\u6570\u6570\u503c<\/tr>\n\n\n\n\n
    \u6ee4\u6ce2\u7535\u611f<\/td>\n2 mH（\u4e09\u76f8\u4e32\u8054）<\/td>\n<\/tr>\n
    \u5e76\u8054\u7535\u5bb9\u8d1f\u8f7d<\/td>\n3 kvar，\u0394 \u63a5\u6cd5，380 V，50 Hz<\/td>\n<\/tr>\n
    \u963b\u6027\u8d1f\u8f7d<\/td>\n50 kW，380 V（\u7ebf\u7535\u538b），50 Hz，\u0394 \u63a5\u6cd5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u53c2\u6570\u6807\u5b9a\u8bf4\u660e：\u7531\u5b9e\u6d4b\u6570\u636e\u53cd\u63a8，Simulink \u7684 \u0394 \u63a5\u6cd5\u8d1f\u8f7d\u5757\u6309 R_branch = 3\u00b7V_LL\u00b2\/P = 3\u00d7380\u00b2\/50000 = 8.664 \u03a9 \u6298\u7b97\u6bcf\u76f8\u7535\u963b （\u9a8c\u8bc1：376.84 V \/ (75.455\/\u221a3) = 8.65 \u03a9，\u529f\u7387\u56e0\u6570 1.0，\u529f\u7387 49.17 kW \u2248 50 kW）\u3002<\/p>\n

    \n

    3. \u4eff\u771f\u8bbe\u7f6e<\/h3>\n

    \u6a21\u578b\u7684\u6c42\u89e3\u914d\u7f6e\u76f4\u63a5\u51b3\u5b9a\u4e86\u7ed3\u679c\u7684\u5448\u73b0\u65b9\u5f0f：<\/p>\n\n\u8bbe\u7f6e\u9879\u503c\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n\n\n\n
    \u6c42\u89e3\u5668\u7c7b\u578b<\/td>\n\u5b9a\u6b65\u957f\u79bb\u6563（Fixed-step discrete）<\/td>\n\u7535\u529b\u7535\u5b50\u5f00\u5173\u5fc5\u987b\u79bb\u6563\u6c42\u89e3<\/td>\n<\/tr>\n
    \u6b65\u957f<\/td>\n4 \u03bcs<\/td>\n\u5bf9\u5e94 2 kHz \u8f7d\u6ce2\u6bcf\u5468\u671f 125 \u70b9<\/td>\n<\/tr>\n
    \u4eff\u771f\u65f6\u957f<\/td>\n0.1 s<\/td>\n\u7a33\u6001\u53d6 0.06\u20130.10 s \u6bb5<\/td>\n<\/tr>\n
    powergui \u6a21\u5f0f<\/td>\nDiscrete<\/td>\n\u7535\u6c14\u7f51\u7edc\u6309\u76f4\u6d41\u6c42\u89e3<\/td>\n<\/tr>\n
    \u7535\u7f51\u57fa\u9891<\/td>\n60 Hz<\/td>\n\u79bb\u6563\u6c42\u89e3\u5668\u5185\u90e8\u57fa\u9891\u8bbe\u7f6e<\/td>\n<\/tr>\n
    \u79bb\u6563\u6c42\u89e3\u7b97\u6cd5<\/td>\nTustin \/ \u540e\u5411\u6b27\u62c9（TBE）<\/td>\n\u68af\u5f62\u79ef\u5206，\u7cbe\u5ea6\u9ad8\u4e8e\u524d\u5411\u6b27\u62c9<\/td>\n<\/tr>\n
    \u8fed\u4ee3\u4e0a\u9650<\/td>\n100<\/td>\n\u6362\u6d41\u8fc7\u7a0b\u7684\u725b\u987f\u8fed\u4ee3\u6b21\u6570<\/td>\n<\/tr>\n
    \u975e\u7ebf\u6027\u5bb9\u5dee<\/td>\n1e-4<\/td>\n\u5f00\u5173\u975e\u7ebf\u6027\u5224\u5b9a\u9608\u503c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u91c7\u6837\u70b9\u4e0e\u8f7d\u6ce2\u7684\u914d\u5408：\u6b65\u957f 4 \u03bcs \u6070\u597d\u4f7f 2 kHz \u8f7d\u6ce2\u6bcf\u5468\u671f\u6709 125 \u4e2a\u91c7\u6837\u70b9，\u4e00\u4e2a 50 Hz \u57fa\u6ce2\u5468\u671f\u5185\u542b 40 \u4e2a\u8f7d\u6ce2\u5468\u671f\u3002\u8fd9\u4e00\u914d\u7f6e\u4fdd\u8bc1\u4e86 SPWM \u8c03\u5236\u7684\u8fb9\u6cbf\u80fd\u591f\u88ab\u5145\u5206\u6355\u83b7\u2014\u2014\u8fd9\u6b63\u662f Vca Inv \u6ce2\u5f62\u80fd\u5448\u73b0\u6e05\u6670 PWM \u53f0\u9636\u7684\u524d\u63d0\u3002<\/p>\n

    \n

    4. Simulink \u754c\u9762\u622a\u56fe<\/h3>\n

    \u539f\u6a21\u578b\u5728 MATLAB R2023b \u4e2d\u5b9e\u9645\u8fd0\u884c（\u5b9a\u6b65\u957f\u79bb\u6563\u6c42\u89e3，\u6b65\u957f 4 \u00b5s，\u4eff\u771f\u65f6\u957f 0.1 s）， \u4ee5\u4e0b\u4e3a\u6a21\u578b\u5404\u4e3b\u8981\u754c\u9762\u7684\u771f\u5b9e\u622a\u56fe\u3002<\/p>\n

    4.1 \u6a21\u578b\u6846\u56fe<\/h4>\n

    \"\u6a21\u578b\u6846\u56fe\"<\/p>\n

    \u4e3b\u7535\u8def\u529f\u7387\u6d41\u5411（\u81ea\u5de6\u81f3\u53f3）：<\/p>\n\n\u4f4d\u7f6e\u73af\u8282\u5173\u952e\u53c2\u6570<\/tr>\n\n\n\n\n\n\n\n\n
    \u6700\u5de6<\/td>\n\u4e09\u76f8\u7535\u6e90<\/td>\n25 kV \/ 60 Hz，\u77ed\u8def\u5bb9\u91cf 10 MVA<\/td>\n<\/tr>\n
    \u2192<\/td>\n\u4e09\u76f8\u53d8\u538b\u5668<\/td>\n25 kV \/ 600 V，50 kVA，Yg \/ \u0394(D1)<\/td>\n<\/tr>\n
    \u2192<\/td>\n\u516d\u8109\u6ce2\u4e8c\u6781\u7ba1\u6574\u6d41\u6865<\/td>\nR_on = 1 m\u03a9，V_f = 0.8 V<\/td>\n<\/tr>\n
    \u2192<\/td>\n\u76f4\u6d41\u4fa7<\/td>\n\u4e32\u8054\u7535\u611f 200 \u00b5H + \u6bcd\u7ebf\u7535\u5bb9 5000 \u00b5F<\/td>\n<\/tr>\n
    \u2192<\/td>\nIGBT \u4e24\u7535\u5e73\u9006\u53d8\u5668<\/td>\n\u7531 PWM Generator (2-Level) \u9a71\u52a8<\/td>\n<\/tr>\n
    \u2192<\/td>\n\u8f93\u51fa\u6ee4\u6ce2\u7535\u611f<\/td>\n2 mH<\/td>\n<\/tr>\n
    \u2192<\/td>\n\u8d1f\u8f7d<\/td>\n3 kvar \u7535\u5bb9 \u2225 50 kW \u963b\u6027\u8d1f\u8f7d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u56fe\u4e2d\u53ef\u89c1\u4e09\u4e2a\u6d4b\u91cf\u73af\u8282：grid（\u7535\u7f51\u4fa7）\u3001inv（\u9006\u53d8\u5668\u8f93\u51fa\u4fa7）\u3001load（\u8d1f\u8f7d\u4fa7）， \u4ee5\u53ca\u53f3\u4fa7\u7684 Grid Scope（2 \u8def）\u4e0e Load Scope（4 \u8def）\u4e24\u4e2a\u793a\u6ce2\u5668\u3002<\/p>\n

    4.2 powergui \u6c42\u89e3\u5668\u8bbe\u7f6e<\/h4>\n

    \"powergui<\/p>\n

    \u56fe\u4e2d\u5757\u9762\u663e\u793a Discrete 4e-06 s.，\u5373\u7535\u6c14\u7f51\u7edc\u7684\u79bb\u6563\u4eff\u771f\u6b65\u957f\u4e3a 4 \u00b5s， \u4e0e\u6a21\u578b\u5168\u5c40\u5b9a\u6b65\u957f\u6c42\u89e3\u5668（Fixed-step discrete，FixedStep = 4e-6）\u4e00\u81f4\u3002<\/p>\n

    4.3 \u4e3b\u8981\u5143\u4ef6\u7b26\u53f7<\/h4>\n

    \u4ee5\u4e0b\u622a\u56fe\u53d6\u81ea Simulink \u6a21\u578b\u5e93（Specialized Power Systems），\u53c2\u6570\u4e0e\u539f\u6a21\u578b\u9010\u9879\u4e00\u81f4\u3002<\/p>\n

    \u2460 \u4e09\u76f8\u7535\u6e90（25 kV \/ 60 Hz，\u77ed\u8def\u5bb9\u91cf 10 MVA，X\/R = 5，Yg \u63a5\u6cd5）<\/p>\n

    \"\u7535\u7f51\u7535\u6e90\"<\/p>\n

    \u2461 \u5347\u538b\u53d8\u538b\u5668（25 kV \/ 600 V，50 kVA，Yg \/ \u0394(D1)）<\/p>\n

    \"\u53d8\u538b\u5668\"<\/p>\n

    \u2462 \u516d\u8109\u6ce2\u4e8c\u6781\u7ba1\u6574\u6d41\u6865（A\/B\/C \u4e09\u76f8\u8f93\u5165，+\/\u2212 \u76f4\u6d41\u8f93\u51fa）<\/p>\n

    \"\u6574\u6d41\u6865\"<\/p>\n

    \u2463 IGBT \u4e24\u7535\u5e73\u9006\u53d8\u6865（A\/B\/C \u4e09\u76f8，g \u95e8\u6781\u8f93\u5165，+\/\u2212 \u76f4\u6d41\u4fa7）<\/p>\n

    \"\u9006\u53d8\u6865\"<\/p>\n

    \u2464 SPWM \u8109\u51b2\u53d1\u751f\u5668（\u4e24\u7535\u5e73\u516d\u8109\u51b2\u8c03\u5236）<\/p>\n

    \"SPWM<\/p>\n

    \u2465 \u76f4\u6d41\u6bcd\u7ebf\u7535\u5bb9（5000 \u00b5F，\u521d\u503c 775 V）<\/p>\n

    \"\u6bcd\u7ebf\u7535\u5bb9\"<\/p>\n

    \u2466 \u76f4\u6d41\u4e32\u8054\u7535\u611f L1（200 \u00b5H，\u4e32\u8054\u7535\u963b 1 \u03a9）<\/p>\n

    \"\u76f4\u6d41\u7535\u611f\"<\/p>\n

    \u2467 \u4ea4\u6d41\u8f93\u51fa\u7535\u611f（\u4e09\u76f8\u4e32\u8054 2 mH）<\/p>\n

    \"\u4ea4\u6d41\u7535\u611f\"<\/p>\n

    \u2468 \u963b\u6027\u8d1f\u8f7d（50 kW \/ 380 V \/ 50 Hz，\u0394 \u63a5\u6cd5）<\/p>\n

    \"\u963b\u6027\u8d1f\u8f7d\"<\/p>\n

    \u2469 \u5e76\u8054\u7535\u5bb9\u8d1f\u8f7d（3 kvar，\u0394 \u63a5\u6cd5）<\/p>\n

    \"\u5e76\u8054\u7535\u5bb9\"<\/p>\n

    4.4 \u4e24\u4e2a\u793a\u6ce2\u5668\u6355\u83b7\u7684\u6570\u636e<\/h4>\n

    \u6a21\u578b\u8fd0\u884c\u540e，\u4e24\u4e2a\u793a\u6ce2\u5668\u5171\u6355\u83b7 6 \u8def\u4fe1\u53f7\u3001\u6bcf\u8def 25001 \u4e2a\u91c7\u6837\u70b9（0\u20130.1 s，\u95f4\u9694 4 \u00b5s）：<\/p>\n\n\u793a\u6ce2\u5668\u901a\u9053\u53d8\u91cf\u7269\u7406\u91cf\u6709\u6548\u503c \/ \u5747\u503c<\/tr>\n\n\n\n\n\n\n\n
    Grid Scope<\/td>\n1<\/td>\nVgrid<\/td>\n\u7535\u7f51 a \u76f8\u7535\u538b<\/td>\n14628.8 V<\/td>\n<\/tr>\n
    Grid Scope<\/td>\n2<\/td>\nIgrid<\/td>\n\u7535\u7f51 a \u76f8\u7535\u6d41<\/td>\n1.2739 A<\/td>\n<\/tr>\n
    Load Scope<\/td>\n1<\/td>\nVab Load<\/td>\n\u8d1f\u8f7d\u7ebf\u7535\u538b a-b<\/td>\n376.84 V<\/td>\n<\/tr>\n
    Load Scope<\/td>\n2<\/td>\nIb Load<\/td>\n\u8d1f\u8f7d\u7ebf\u7535\u6d41 b \u76f8<\/td>\n75.455 A<\/td>\n<\/tr>\n
    Load Scope<\/td>\n3<\/td>\nVca Inv<\/td>\n\u9006\u53d8\u5668\u4fa7\u7ebf\u7535\u538b c-a<\/td>\n517.00 V<\/td>\n<\/tr>\n
    Load Scope<\/td>\n4<\/td>\nVdc<\/td>\n\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b<\/td>\n778.84 V（\u5747\u503c）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5176\u4e2d Igrid \u5e45\u503c\u4ec5 \u00b12.2 A \u5374\u5448\u73b0\u660e\u663e\u7684\u516d\u8109\u6ce2\u8f6e\u5ed3\u2014\u2014\u6bcf\u4e2a\u5de5\u9891\u5468\u671f 6 \u4e2a\u6ce2\u5934， \u662f\u6574\u6d41\u5668\u6362\u6d41\u7684\u76f4\u63a5\u5370\u8bb0；\u800c Vca Inv（\u00b1781 V，\u516d\u8109\u6ce2 PWM \u53f0\u9636）\u4e0e Vab Load（\u5e73\u6ed1\u6b63\u5f26）\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4，\u53cd\u6620 2 mH \u6ee4\u6ce2\u7535\u611f\u7684\u4f5c\u7528\u3002<\/p>\n

    5. \u6ce2\u5f62\u6570\u636e\u5206\u6790<\/h3>\n

    5.0 \u56db\u8def\u7a33\u6001\u6ce2\u5f62\u603b\u89c8<\/h4>\n

    \"\u56db\u8def\u5bf9\u6bd4\"<\/p>\n

    \u56db\u8def\u6ce2\u5f62\u653e\u5728\u540c\u4e00\u5f20 2\u00d72 \u56fe\u4e0a，\u4fbf\u4e8e\u6a2a\u5411\u6bd4\u8f83： \u2460 \u7535\u7f51\u7535\u538b\u4e3a\u6807\u51c6\u6b63\u5f26；\u2461 \u7535\u7f51\u7535\u6d41\u867d\u5e45\u503c\u4ec5 \u00b12.2 A，\u5374\u56e0\u6574\u6d41\u6362\u6d41 \u5448\u73b0\u6bcf\u5468\u671f 6 \u4e2a\u6ce2\u5934\u7684\u516d\u8109\u6ce2\u8f6e\u5ed3；\u2462 \u8d1f\u8f7d\u7535\u538b\u4e0e\u2463 \u8d1f\u8f7d\u7535\u6d41 \u51e0\u4e4e\u5b8c\u5168\u540c\u76f8\u4f4d，\u9a8c\u8bc1\u8d1f\u8f7d\u529f\u7387\u56e0\u6570\u63a5\u8fd1 1\u3002<\/p>\n

    \u4ee5\u4e0b\u56fe\u5f62\u6309 matplotlib-plot-cn \u89c4\u8303\u7ed8\u5236（100 mm \u00d7 80 mm @ 300 dpi\u3001\u5b8b\u4f53 + Times New Roman\u3001\u56fe\u5185\u65e0\u6807\u9898\u3001\u5750\u6807\u8f74\u7ebf\u5bbd 0.5\u3001\u523b\u5ea6\u671d\u5185\u56db\u8fb9\u663e\u793a）\u3002\u5168\u90e8\u56fe\u7247\u5df2\u901a\u8fc7\u56db\u8fb9\u7559\u767d \u2265 8 px \u7684\u50cf\u7d20\u81ea\u68c0\u3002<\/p>\n

    5.1 \u7535\u7f51\u4fa7<\/h4>\n

    \u7535\u7f51\u76f8\u7535\u538b \u2014\u2014 \u6807\u51c6\u6b63\u5f26，\u65e0\u7578\u53d8：<\/p>\n

    \"\u7535\u7f51\u7535\u538b\"<\/p>\n

    \u7535\u7f51\u7535\u6d41 \u2014\u2014 \u516d\u8109\u6ce2\u6574\u6d41\u7279\u5f81，\u8c10\u6ce2\u542b\u91cf\u9ad8：<\/p>\n

    \"\u7535\u7f51\u7535\u6d41\"<\/p>\n

    \u5355\u5468\u671f\u653e\u5927\u540e\u53ef\u6e05\u695a\u6570\u51fa 6 \u4e2a\u6ce2\u5934：<\/p>\n

    \"\u7535\u7f51\u7535\u6d41\u5355\u5468\u671f\"<\/p>\n

    5.2 \u76f4\u6d41\u6bcd\u7ebf<\/h4>\n

    \"\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b\"<\/p>\n

    \u7a33\u6001\u6bb5\u653e\u5927\u53ef\u89c1 360 Hz \u7eb9\u6ce2\u6e05\u6670\u53ef\u8fa8（776\u2013781 V）：<\/p>\n

    \"\u6bcd\u7ebf\u7eb9\u6ce2\"<\/p>\n

    5.3 \u4ea4\u6d41\u8f93\u51fa\u4fa7<\/h4>\n

    \u9006\u53d8\u5668\u4fa7\u7ebf\u7535\u538b Vca（\u672a\u6ee4\u6ce2）：<\/p>\n

    \"\u9006\u53d8\u5668\u8f93\u51fa\"<\/p>\n

    \u5355\u5468\u671f\u53ef\u89c1 6 \u4e2a\u53f0\u9636，\u6bcf\u4e2a\u53f0\u9636\u5185\u542b\u5bc6\u96c6\u7684 PWM \u8109\u51b2：<\/p>\n

    \"Vca<\/p>\n

    \u8d1f\u8f7d\u4fa7\u7ebf\u7535\u538b Vab（\u6ee4\u6ce2\u540e）：<\/p>\n

    \"\u8d1f\u8f7d\u7535\u538b\"<\/p>\n

    \u8d1f\u8f7d\u7535\u6d41：<\/p>\n

    \"\u8d1f\u8f7d\u7535\u6d41\"<\/p>\n

    \u7a33\u6001\u5355\u5468\u671f\u6ce2\u5f62，\u7535\u538b\u4e0e\u7535\u6d41\u51e0\u4e4e\u5b8c\u5168\u540c\u76f8\u4f4d，\u9a8c\u8bc1\u8d1f\u8f7d\u529f\u7387\u56e0\u6570\u63a5\u8fd1 1：<\/p>\n

    \"Vab<\/p>\n

    \"Ib<\/p>\n

    \n

    6. \u9891\u8c31\u4e0e\u8c10\u6ce2\u5206\u6790<\/h3>\n

    6.1 \u7a33\u6001\u6d4b\u91cf\u6c47\u603b<\/h4>\n

    \u7edf\u8ba1\u7a97\u53e3 0.060 \u2013 0.100 s（2 \u4e2a\u5de5\u9891\u5468\u671f），\u5168\u90e8 6 \u8def\u4fe1\u53f7：<\/p>\n\n\u4fe1\u53f7\u5747\u503c\u6709\u6548\u503c\u6700\u5c0f\u503c\u6700\u5927\u503c<\/tr>\n\n\n\n\n\n\n\n
    Vgrid<\/td>\n\u22122446.04 V<\/td>\n14628.78 V<\/td>\n\u221220244.75 V<\/td>\n20244.35 V<\/td>\n<\/tr>\n
    Igrid<\/td>\n\u22120.215 A<\/td>\n1.2739 A<\/td>\n\u22122.210 A<\/td>\n2.190 A<\/td>\n<\/tr>\n
    Vab<\/td>\n0.499 V<\/td>\n376.839 V<\/td>\n\u2212539.97 V<\/td>\n544.21 V<\/td>\n<\/tr>\n
    Ib<\/td>\n\u22120.154 A<\/td>\n75.455 A<\/td>\n\u2212109.58 A<\/td>\n110.11 A<\/td>\n<\/tr>\n
    Vca<\/td>\n0.303 V<\/td>\n516.997 V<\/td>\n\u2212781.16 V<\/td>\n781.55 V<\/td>\n<\/tr>\n
    Vdc<\/td>\n778.837 V<\/td>\n778.838 V<\/td>\n775.95 V<\/td>\n781.54 V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5404\u4ea4\u6d41\u4fe1\u53f7\u5747\u503c\u5747\u63a5\u8fd1\u96f6（|\u5747\u503c| < \u5747\u503c\u7684 0.7%），\u786e\u8ba4\u7cfb\u7edf\u5df2\u8fdb\u5165\u5bf9\u79f0\u7a33\u6001，\u65e0\u76f4\u6d41\u5206\u91cf\u504f\u79fb\u3002<\/p>\n

    6.2 \u8f93\u51fa\u7535\u538b\u8c10\u6ce2\u8c31<\/h4>\n

    \"Vab<\/p>\n

    \"Vab<\/p>\n

    （\u7eb5\u8f74\u4e3a\u5bf9\u6570\u523b\u5ea6，\u57fa\u6ce2\u5f52\u4e00\u4e3a 100 %\u3002\u8fd9\u6837 0.1 % \u91cf\u7ea7\u7684\u4f4e\u9891\u8c10\u6ce2\u4e0e 2 kHz \u9644\u8fd1\u7684\u5f00\u5173\u8c10\u6ce2\u7c07（\u7ea6 2\u20133 %）\u53ef\u5728\u540c\u4e00\u5f20\u56fe\u4e0a\u540c\u65f6\u8bfb\u51fa；\u7ebf\u6027\u8f74\u4e0b\u8c10\u6ce2\u4f1a\u88ab\u57fa\u6ce2\u538b\u6210\u4e00\u6761\u5e73\u7ebf\u3002）<\/p>\n

    \u8d1f\u8f7d\u4fa7\u7535\u538b Vab \u7684\u8c10\u6ce2\u542b\u91cf（\u5360\u57fa\u6ce2\u767e\u5206\u6bd4）：<\/p>\n\n\u6b21\u6570234567891011<\/tr>\n\n\n
    \u5e45\u503c\/%<\/td>\n0.239<\/td>\n0.150<\/td>\n0.113<\/td>\n0.139<\/td>\n0.265<\/td>\n0.168<\/td>\n0.132<\/td>\n0.057<\/td>\n0.037<\/td>\n0.136<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
    • \u57fa\u6ce2\u5e45\u503c 532.80 V（\u6709\u6548\u503c 376.75 V）<\/li>\n
    • 1 kHz \u4ee5\u4e0b\u603b\u8c10\u6ce2\u7578\u53d8 THD = 0.533 %<\/li>\n<\/ul>\n

      \u8c10\u6ce2\u6c34\u5e73\u6781\u4f4e（\u6700\u9ad8\u4ec5 0.265 %，\u51fa\u73b0\u5728 6 \u6b21），\u5b8c\u5168\u6ee1\u8db3 IEEE 519 \u5bf9\u4f4e\u538b\u914d\u7535\u7f51\u7684\u7535\u538b\u7578\u53d8\u8981\u6c42\u3002\u539f\u56e0\u662f 2 mH \u8f93\u51fa\u6ee4\u6ce2\u7535\u611f\u6784\u6210\u4e86\u4e00\u4e2a\u4f4e\u901a\u6ee4\u6ce2\u5668，\u5bf9 2 kHz \u8f7d\u6ce2\u53ca\u5176\u4fa7\u5e26\u8c10\u6ce2（1.9 kHz\u30012.1 kHz）\u63d0\u4f9b\u4e86\u7ea6 40 dB \u7684\u8870\u51cf\u3002<\/p>\n

      6.3 \u9006\u53d8\u5668\u4fa7\u5f00\u5173\u8c10\u6ce2（\u6ee4\u6ce2\u524d\u5bf9\u6bd4）<\/h4>\n

      \u5728 Vca Inv（\u6ee4\u6ce2\u524d）\u4e2d\u53ef\u4ee5\u770b\u5230\u660e\u786e\u7684\u5f00\u5173\u8c10\u6ce2\u7c07：<\/p>\n\n\u9891\u7387\u5e45\u503c\u5360 Vab \u57fa\u6ce2<\/tr>\n\n\n\n\n\n\n
      1900 Hz<\/td>\n146.78 V<\/td>\n27.55 %<\/td>\n<\/tr>\n
      2100 Hz<\/td>\n147.03 V<\/td>\n27.60 %<\/td>\n<\/tr>\n
      3950 Hz<\/td>\n214.20 V<\/td>\n40.20 %<\/td>\n<\/tr>\n
      4050 Hz<\/td>\n212.17 V<\/td>\n39.82 %<\/td>\n<\/tr>\n
      5900 Hz<\/td>\n119.68 V<\/td>\n22.46 %<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u89c4\u5f8b\u89e3\u91ca：\u8f7d\u6ce2\u9891\u7387 2 kHz，\u8f7d\u6ce2\u6bd4 40\u3002\u5f00\u5173\u8c10\u6ce2\u96c6\u4e2d\u5728 k\u00b7f_c \u00b1 f_1 = 2000k \u00b1 50 Hz \u9644\u8fd1，\u5373 1950\/2050\u30013950\/4050 Hz； \u6b64\u5916 3 kW \u8c10\u6ce2（5900 Hz）\u6765\u81ea\u4e09\u76f8\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002 \u5bf9\u6bd4\u53ef\u89c1，2 mH \u6ee4\u6ce2\u7535\u611f\u628a 40 % \u7684\u5f00\u5173\u8c10\u6ce2\u538b\u5230\u4e86 0.1 % \u4ee5\u4e0b\u2014\u2014\u8fd9\u6b63\u662f\u8f93\u51fa\u7535\u538b THD \u4ec5 0.53 % \u7684\u539f\u56e0\u3002<\/p>\n

      6.4 \u76f4\u6d41\u6bcd\u7ebf\u7eb9\u6ce2\u9891\u8c31<\/h4>\n\n\u9891\u7387\u7eb9\u6ce2\u5e45\u503c\u7269\u7406\u89e3\u91ca<\/tr>\n\n\n\n\n\n
      360 Hz<\/td>\n1.449 V<\/td>\n6 \u6b21\u8c10\u6ce2 = 6\u00d760 Hz，\u516d\u8109\u6ce2\u6574\u6d41\u7684\u7279\u5f81\u9891\u7387，\u4e3a\u4e3b\u5bfc\u7eb9\u6ce2<\/td>\n<\/tr>\n
      300 Hz<\/td>\n0.174 V<\/td>\n5 \u6b21\u8c10\u6ce2<\/td>\n<\/tr>\n
      420 Hz<\/td>\n0.189 V<\/td>\n7 \u6b21\u8c10\u6ce2<\/td>\n<\/tr>\n
      4000 Hz<\/td>\n0.402 V<\/td>\n\u8f7d\u6ce2\u9891\u7387\u5904，\u7531 SPWM \u76f4\u6d41\u4fa7\u7535\u6d41\u7eb9\u6ce2\u5f15\u8d77<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      360 Hz \u7eb9\u6ce2\u4e3a\u4e3b\u5bfc，\u8fd9\u4e0e\u7406\u8bba\u5b8c\u5168\u4e00\u81f4：\u4e09\u76f8\u516d\u8109\u6ce2\u6574\u6d41\u5668\u7684\u8f93\u51fa\u7535\u538b\u8109\u52a8\u9891\u7387\u4e3a 6 \u500d\u5de5\u9891\u3002\u6bcd\u7ebf\u603b\u7eb9\u6ce2\u5cf0\u5cf0\u503c\u4ec5 5.59 V（\u76f8\u5bf9 778.8 V \u4e3a 0.72 %），5000 \u03bcF \u7684\u7535\u5bb9\u91cf\u5bf9 50 kW \u8d1f\u8f7d\u63d0\u4f9b\u4e86\u5145\u5206\u7684\u5e73\u6ed1\u4f5c\u7528\u3002<\/p>\n

      6.5 \u7535\u7f51\u4fa7\u8c10\u6ce2<\/h4>\n

      \u7535\u7f51\u7535\u6d41 Igrid \u7684\u4f4e\u9891 THD = 40.18 %，\u8fdc\u9ad8\u4e8e\u8f93\u51fa\u4fa7\u3002\u8c10\u6ce2\u5206\u5e03：<\/p>\n\n\u6b21\u6570234567891011<\/tr>\n\n\n
      \u5e45\u503c\/%<\/td>\n17.31<\/td>\n6.03<\/td>\n3.15<\/td>\n1.88<\/td>\n34.79<\/td>\n1.43<\/td>\n2.64<\/td>\n1.67<\/td>\n0.82<\/td>\n0.80<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      6 \u6b21\u8c10\u6ce2\u9ad8\u8fbe 34.79 %，\u4e0e 6 \u8109\u6ce2\u6574\u6d41\u5668\u7684\u7406\u8bba\u7279\u5f81\u5b8c\u5168\u543b\u5408（\u7406\u60f3\u4e09\u76f8\u6865\u5f0f\u6574\u6d41\u5668\u7684 6 \u6b21\u8c10\u6ce2\u5e45\u503c\u7ea6\u4e3a\u57fa\u6ce2\u7684 20\u201325 %，\u8ba1\u5165\u53d8\u538b\u5668\u6f0f\u6297\u4e0e\u76f4\u6d41\u4fa7\u7535\u611f\u540e\u8fdb\u4e00\u6b65\u5347\u9ad8）\u3002<\/p>\n

      \u8fd9\u662f\u4e0d\u53ef\u63a7\u6574\u6d41\u65b9\u6848\u7684\u6839\u672c\u4ee3\u4ef7：\u524d\u7aef\u65e0\u6709\u6e90\u8865\u507f，\u8c10\u6ce2\u76f4\u63a5\u6ce8\u5165 25 kV \u7535\u7f51\u3002<\/p>\n

      \n

      7. \u5173\u952e\u8bbe\u8ba1\u7ed3\u8bba<\/h3>\n

      7.1 \u529f\u7387\u4e0e\u6548\u7387<\/h4>\n\n\u9879\u76ee\u6570\u503c<\/tr>\n\n\n\n\n\n
      \u8d1f\u8f7d\u6709\u529f\u529f\u7387<\/td>\n49.17 kW（\u989d\u5b9a 50 kW，\u504f\u5dee \u22121.66 %）<\/td>\n<\/tr>\n
      \u8d1f\u8f7d\u89c6\u5728\u529f\u7387<\/td>\n49.66 kVA<\/td>\n<\/tr>\n
      \u8d1f\u8f7d\u529f\u7387\u56e0\u6570<\/td>\n0.9901<\/td>\n<\/tr>\n
      \u7535\u7f51\u4fa7\u7535\u6d41<\/td>\n1.2739 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u529f\u7387\u56e0\u6570 0.99 \u8868\u660e 3 kvar \u7684\u5e76\u8054\u7535\u5bb9\u53d1\u6325\u4e86\u8865\u507f\u4f5c\u7528，\u62b5\u6d88\u4e86\u53d8\u538b\u5668\u6f0f\u611f\u4e0e 2 mH \u6ee4\u6ce2\u7535\u611f\u5e26\u6765\u7684\u611f\u6027\u65e0\u529f\u3002<\/p>\n

      7.2 \u7535\u538b\u54c1\u8d28<\/h4>\n\n\u6307\u6807\u6570\u503c\u8bc4\u4ef7<\/tr>\n\n\n\n\n\n\n
      \u8f93\u51fa\u7535\u538b\u6709\u6548\u503c<\/td>\n376.84 V（\u76ee\u6807 380 V）<\/td>\n\u504f\u5dee \u22120.83 %<\/td>\n<\/tr>\n
      \u8f93\u51fa\u9891\u7387<\/td>\n50.00 Hz<\/td>\n\u7cbe\u786e<\/td>\n<\/tr>\n
      \u8f93\u51fa\u7535\u538b THD<\/td>\n0.533 %<\/td>\n\u4f18\u79c0（IEEE 519 \u9650\u503c 5 %）<\/td>\n<\/tr>\n
      \u6bcd\u7ebf\u7535\u538b<\/td>\n778.84 V<\/td>\n\u7a33\u5b9a<\/td>\n<\/tr>\n
      \u6bcd\u7ebf\u7eb9\u6ce2<\/td>\n5.59 V = 0.72 %<\/td>\n\u826f\u597d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      7.3 \u4e24\u4e2a\u5173\u952e\u5143\u4ef6\u7684\u4f5c\u7528\u91cf\u5316<\/h4>\n

      200 \u03bcH \u76f4\u6d41\u4e32\u8054\u7535\u611f（L1） \u4e32\u8054\u7535\u963b 1 \u03a9 \u5728 64 A \u76f4\u6d41\u7535\u6d41\u4e0b\u4ea7\u751f 64 V \u538b\u964d，\u662f\u6574\u6d41\u6865\u8f93\u51fa\u7535\u538b（\u9700\u8fbe\u7ea6 843 V）\u4e0e\u6bcd\u7ebf\u7535\u538b（778.8 V）\u4e4b\u95f4\u7684\u4e3b\u8981\u843d\u5dee\u6765\u6e90\u3002\u540c\u65f6\u5b83\u5728 360 Hz \u7eb9\u6ce2\u9891\u7387\u4e0a\u5448\u73b0 X = 0.45 \u03a9，\u8d77\u5230\u6291\u5236\u76f4\u6d41\u7535\u6d41\u7eb9\u6ce2\u7684\u4f5c\u7528\u3002<\/p>\n

      2 mH \u8f93\u51fa\u6ee4\u6ce2\u7535\u611f<\/p>\n

        \n
      • 50 Hz \u57fa\u6ce2\u611f\u6297 X_L = 2\u03c0\u00d750\u00d70.002 = 0.628 \u03a9，\u5728 76 A \u4e0b\u4ea7\u751f\u7ea6 48 V \u538b\u964d（\u7ea6 4 %）<\/li>\n
      • 2 kHz \u8f7d\u6ce2\u5904\u611f\u6297\u5347\u81f3 25.1 \u03a9（\u63d0\u5347 40 \u500d），\u6784\u6210\u6709\u6548\u4f4e\u901a\u6ee4\u6ce2\u5668<\/li>\n
      • \u5c06\u8f93\u51fa\u7535\u538b THD \u4ece\u6ee4\u6ce2\u524d\u7684\u6570\u5341\u4e2a\u767e\u5206\u70b9\u538b\u4f4e\u81f3 0.53 %<\/li>\n<\/ul>\n

        7.4 SPWM \u53c2\u6570\u5339\u914d\u9a8c\u8bc1<\/h4>\n

        \u8c03\u5236\u5ea6 m = 0.8\u3001\u8f7d\u6ce2\u6bd4 40 \u65f6，\u9006\u53d8\u5668\u8f93\u51fa\u7ebf\u7535\u538b\u57fa\u6ce2\u7684\u7406\u8bba\u503c：<\/p>\n

        V_ab,1 = m \u00b7 V_dc = 0.8 \u00d7 778.84 = 623.1 V<\/p>\n

        \u5b9e\u6d4b Vab \u57fa\u6ce2\u5e45\u503c 532.80 V，\u7565\u4f4e\u4e8e\u7406\u8bba\u503c\u3002\u5dee\u5f02\u6765\u6e90：2 mH \u6ee4\u6ce2\u7535\u611f\u7684\u7535\u538b\u964d（\u6309\u76f8\u91cf\u8ba1\u7b97\u7ea6 4 %）\u4e0e\u6574\u6d41\u6865\u4e8c\u6781\u7ba1\u538b\u964d\u3002\u6263\u9664\u6ee4\u6ce2\u7535\u611f\u538b\u964d\u540e\u7684\u9884\u671f\u503c\u7ea6 598 V，\u4e0e\u5b9e\u6d4b\u540c\u91cf\u7ea7，\u53c2\u6570\u8bbe\u8ba1\u662f\u81ea\u6d3d\u7684\u3002<\/p>\n

        \n

        8. \u6587\u4ef6\u6e05\u5355\u4e0e\u590d\u73b0\u65b9\u6cd5<\/h3>\n

        8.1 \u76ee\u5f55\u7ed3\u6784<\/h4>\n

        ACDCAC_\u4eff\u771f\u5206\u6790_260905\/
        \n\u251c\u2500\u2500 ACDCAC\u53d8\u9891\u5668\u4eff\u771f\u5206\u6790\u62a5\u544a.md \u672c\u62a5\u544a
        \n\u251c\u2500\u2500 scope_data.csv \u5168\u90e8\u793a\u6ce2\u5668\u6570\u636e（25001 \u884c \u00d7 7 \u5217）
        \n\u251c\u2500\u2500 scope_data_steady.csv \u7a33\u6001\u6bb5\u6570\u636e（10001 \u884c \u00d7 7 \u5217）
        \n\u251c\u2500\u2500 ACDCACConverter.mat \u539f\u6a21\u578b\u4eff\u771f\u7ed3\u679c（MAT \u683c\u5f0f，\u542b\u4e24\u4e2a Scope \u6570\u636e）
        \n\u251c\u2500\u2500 export_reference.m \u5bfc\u51fa\u539f\u6a21\u578b\u6570\u636e\u7684 MATLAB \u811a\u672c
        \n\u251c\u2500\u2500 plot_scopes.py \u7ed8\u56fe\u811a\u672c（Python，seaborn + matplotlib-plot-cn \u89c4\u8303）
        \n\u251c\u2500\u2500 plot_scopes_matplotlib.py.bak \u7eaf matplotlib \u7248\u7ed8\u56fe\u811a\u672c（\u5907\u4efd）
        \n\u251c\u2500\u2500 export_screenshots.m Simulink \u754c\u9762\u622a\u56fe\u811a\u672c（MATLAB）
        \n\u251c\u2500\u2500 sw_met.m \u4eff\u771f\u6307\u6807\u63d0\u53d6\u51fd\u6570（\u6574\u5468\u671f\u57fa\u6ce2\u6cd5）
        \n\u251c\u2500\u2500 sweep_data.json \u53c2\u6570\u626b\u63cf\u5b9e\u6d4b\u6570\u636e
        \n\u251c\u2500\u2500 plot_sweep.py \u53c2\u6570\u626b\u63cf\u5bf9\u6bd4\u56fe\u811a\u672c（seaborn）
        \n\u2514\u2500\u2500 figs\/ \u5168\u90e8\u56fe\u7247（36 \u5f20）
        \n \u2502
        \n \u251c\u2500\u2500 \u2014\u2014 Simulink \u754c\u9762\u622a\u56fe（12 \u5f20）\u2014\u2014
        \n \u251c\u2500\u2500 s1_\u6a21\u578b\u6846\u56fe.png \u4e3b\u7535\u8def\u5b8c\u6574\u6846\u56fe（\u542b\u6587\u6863\u8bf4\u660e\u533a）
        \n \u251c\u2500\u2500 s2_powergui\u53c2\u6570.png powergui \u5757\u9762：Discrete 4e-06 s.
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u7535\u7f51\u7535\u6e90.png \u4e09\u76f8\u7535\u6e90 25 kV \/ 60 Hz
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u53d8\u538b\u5668.png \u53d8\u538b\u5668 25 kV \/ 600 V, Yg\/\u0394
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u6574\u6d41\u6865.png \u516d\u8109\u6ce2\u4e8c\u6781\u7ba1\u6574\u6d41\u6865
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u9006\u53d8\u6865.png IGBT \u4e24\u7535\u5e73\u9006\u53d8\u6865
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_SPWM\u53d1\u751f\u5668.png PWM Generator (2-Level)
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u6bcd\u7ebf\u7535\u5bb9.png 5000 \u00b5F \u6bcd\u7ebf\u7535\u5bb9
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u76f4\u6d41\u7535\u611f.png 200 \u00b5H \u76f4\u6d41\u4e32\u8054\u7535\u611f
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u4ea4\u6d41\u7535\u611f.png 2 mH \u4ea4\u6d41\u8f93\u51fa\u7535\u611f
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u963b\u6027\u8d1f\u8f7d.png 50 kW \u963b\u6027\u8d1f\u8f7d
        \n \u251c\u2500\u2500 s3_\u5143\u4ef6_\u5e76\u8054\u7535\u5bb9.png 3 kvar \u5e76\u8054\u7535\u5bb9
        \n \u2502
        \n \u2514\u2500\u2500 \u2014\u2014 \u6570\u636e\u56fe\u8868（14 \u5f20）\u2014\u2014
        \n \u251c\u2500\u2500 f1_Vgrid.png \u7535\u7f51\u76f8\u7535\u538b\u6ce2\u5f62
        \n \u251c\u2500\u2500 f2_Igrid.png \u7535\u7f51\u7535\u6d41\u6ce2\u5f62（\u516d\u8109\u6ce2\u7279\u5f81）
        \n \u251c\u2500\u2500 f3_Vab.png \u8d1f\u8f7d\u7ebf\u7535\u538b\u6ce2\u5f62
        \n \u251c\u2500\u2500 f4_Ib.png \u8d1f\u8f7d\u7ebf\u7535\u6d41\u6ce2\u5f62
        \n \u251c\u2500\u2500 f5_Vca.png \u9006\u53d8\u5668\u8f93\u51fa\u7535\u538b（PWM \u53f0\u9636\u6ce2）
        \n \u251c\u2500\u2500 f6_Vdc.png \u76f4\u6d41\u6bcd\u7ebf\u7535\u538b\u6ce2\u5f62
        \n \u251c\u2500\u2500 f7_Vab_1cycle.png Vab \u7a33\u6001\u5355\u5468\u671f\u653e\u5927
        \n \u251c\u2500\u2500 f8_Ib_1cycle.png Ib \u7a33\u6001\u5355\u5468\u671f\u653e\u5927
        \n \u251c\u2500\u2500 f9_Vca_1cycle.png Vca \u7a33\u6001\u5355\u5468\u671f\u653e\u5927
        \n \u251c\u2500\u2500 f10_Igrid_1cycle.png Igrid \u7a33\u6001\u5355\u5468\u671f\u653e\u5927
        \n \u251c\u2500\u2500 f11_Vab_harmonics.png Vab \u4f4e\u9891\u8c10\u6ce2\u67f1\u72b6\u56fe（seaborn）
        \n \u251c\u2500\u2500 f12_Vab_spectrum.png Vab \u8fde\u7eed\u9891\u8c31（\u534a\u5bf9\u6570\u8f74）
        \n \u251c\u2500\u2500 f13_Vdc_ripple.png \u6bcd\u7ebf\u7eb9\u6ce2\u653e\u5927
        \n \u251c\u2500\u2500 f14_\u56db\u8def\u5bf9\u6bd4.png \u56db\u8def\u7a33\u6001\u6ce2\u5f62 2\u00d72 \u5bf9\u6bd4
        \n \u2502
        \n \u2514\u2500\u2500 \u2014\u2014 \u53c2\u6570\u626b\u63cf\u5bf9\u6bd4（10 \u5f20）\u2014\u2014
        \n \u251c\u2500\u2500 s1_m.png \u8c03\u5236\u5ea6 m \u7684\u5f71\u54cd（Vab \/ P）
        \n \u251c\u2500\u2500 s1_Lac.png \u8f93\u51fa\u7535\u611f Lac \u7684\u5f71\u54cd（Vab \/ THD）
        \n \u251c\u2500\u2500 s1_Cdc.png \u6bcd\u7ebf\u7535\u5bb9 Cdc \u7684\u5f71\u54cd（\u7eb9\u6ce2 \/ THD）
        \n \u251c\u2500\u2500 s1_P.png \u8d1f\u8f7d\u529f\u7387 P \u7684\u5f71\u54cd（Vdc \/ pf）
        \n \u251c\u2500\u2500 s1_Fc.png \u8f7d\u6ce2\u9891\u7387 Fc \u7684\u5f71\u54cd（Vab \/ THD）
        \n \u251c\u2500\u2500 s2_m_\u7efc\u5408.png \u8c03\u5236\u5ea6\u7684\u591a\u6307\u6807\u5f52\u4e00\u5316\u5bf9\u6bd4
        \n \u251c\u2500\u2500 s3_THD\u5bf9\u6bd4.png \u4e94\u53c2\u6570\u7684 THD \u6c47\u603b（\u5bf9\u6570\u8f74）
        \n \u251c\u2500\u2500 s4_Lac\u6743\u8861.png \u8f93\u51fa\u7535\u611f\u7684 THD-Vab \u6743\u8861\u66f2\u7ebf
        \n \u251c\u2500\u2500 s5_\u8d1f\u8f7d\u5f71\u54cd.png \u8d1f\u8f7d\u7684\u53cc\u8f74\u5f71\u54cd（Vdc \/ pf）
        \n \u2514\u2500\u2500 s6_\u654f\u611f\u5ea6\u70ed\u529b\u56fe.png \u53c2\u6570-\u6307\u6807\u654f\u611f\u5ea6\u77e9\u9635<\/p>\n

        \u6570\u636e\u6587\u4ef6\u5217\u8bf4\u660e（CSV \u4e0e MAT \u4e00\u81f4）：<\/p>\n\n\u5217\u540d\u542b\u4e49\u5355\u4f4d\u6765\u6e90\u793a\u6ce2\u5668<\/tr>\n\n\n\n\n\n\n\n\n
        t<\/td>\n\u65f6\u95f4<\/td>\ns<\/td>\n\u4eff\u771f\u65f6\u95f4\u8f74<\/td>\n<\/tr>\n
        Vgrid<\/td>\n\u7535\u7f51 a \u76f8\u7535\u538b\u77ac\u65f6\u503c<\/td>\nV<\/td>\nGrid Scope<\/td>\n<\/tr>\n
        Igrid<\/td>\n\u7535\u7f51 a \u76f8\u7535\u6d41<\/td>\nA<\/td>\nGrid Scope<\/td>\n<\/tr>\n
        VabLoad<\/td>\n\u8d1f\u8f7d\u4fa7\u7ebf\u7535\u538b a-b<\/td>\nV<\/td>\nLoad Scope<\/td>\n<\/tr>\n
        IbLoad<\/td>\n\u8d1f\u8f7d\u4fa7\u7ebf\u7535\u6d41 b \u76f8<\/td>\nA<\/td>\nLoad Scope<\/td>\n<\/tr>\n
        VcaInv<\/td>\n\u9006\u53d8\u5668\u4fa7\u7ebf\u7535\u538b c-a<\/td>\nV<\/td>\nLoad Scope<\/td>\n<\/tr>\n
        Vdc<\/td>\n\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b<\/td>\nV<\/td>\nLoad Scope<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        8.2 \u590d\u73b0\u6b65\u9aa4<\/h4>\n

        \u7b2c\u4e00\u6b65：\u8fd0\u884c\u539f\u6a21\u578b\u5e76\u5bfc\u51fa\u6570\u636e（MATLAB R2023b）<\/p>\n

        % \u5728\u793a\u4f8b\u6587\u4ef6\u5939\u4e0b\u8fd0\u884c<\/span>
        \nmdl =<\/span> 'ACDCACConverter'<\/span>;<\/span>
        \nload_system<\/span>(<\/span>mdl)<\/span>;<\/span>
        \nset_param<\/span>(<\/span>mdl,<\/span> 'StopTime'<\/span>,<\/span> '0.1'<\/span>,<\/span> …<\/span>
        \n 'Solver'<\/span>,<\/span> 'FixedStepDiscrete'<\/span>,<\/span> …<\/span>
        \n 'FixedStep'<\/span>,<\/span> '4e-6'<\/span>)<\/span>;<\/span>
        \nsimOut =<\/span> sim<\/span>(<\/span>mdl)<\/span>;<\/span><\/p>\n

        % \u63d0\u53d6\u4e24\u4e2a\u793a\u6ce2\u5668\u7684\u5168\u90e8\u4fe1\u53f7<\/span>
        \nref.<\/span>tout =<\/span> simOut.<\/span>tout<\/span>(<\/span>:<\/span>)<\/span>;<\/span>
        \nref.<\/span>Scope1Data =<\/span> simOut.<\/span>Scope1Data;<\/span> % Vgrid, Igrid<\/span>
        \nref.<\/span>Scope2Data =<\/span> simOut.<\/span>Scope2Data;<\/span> % Vab, Ib, Vca, Vdc<\/span>
        \nsave<\/span>(<\/span>'ACDCACConverter.mat'<\/span>,<\/span> 'ref'<\/span>)<\/span>;<\/span><\/p>\n

        \u7b2c\u4e8c\u6b65：\u751f\u6210\u6ce2\u5f62\u56fe（Python，seaborn + matplotlib）<\/p>\n

        # \u4f7f\u7528\u7528\u6237\u4e3b venv（seaborn 0.13.2 \/ matplotlib 3.10.8 \/ numpy 2.5.1 \/ pandas 3.0.1）<\/span>
        \n"E:\/\/python_Trae_Solo260505\/\/.venv\/\/Scripts\/\/python.exe"<\/span> plot_scopes.py<\/p>\n

        \u7ed8\u56fe\u811a\u672c\u6309 matplotlib-plot-cn \u89c4\u8303\u7f16\u5199，\u5bfc\u51fa\u540e\u81ea\u52a8\u6267\u884c\u56db\u8fb9\u7559\u767d\u50cf\u7d20\u81ea\u68c0\u3002 \u6ce8\u610f：\u811a\u672c\u5185\u5fc5\u987b\u7528 sns.set_style() \u800c\u975e sns.set_theme()\u2014\u2014 \u540e\u8005\u4f1a\u628a font.family \u91cd\u7f6e\u4e3a sans-serif（Arial），\u5bfc\u81f4\u4e2d\u6587\u7f3a\u5b57\u5f62\u53d8\u65b9\u6846\u3002<\/p>\n

        \u7b2c\u4e09\u6b65：\u751f\u6210 Simulink \u754c\u9762\u622a\u56fe（MATLAB）<\/p>\n

        % \u6a21\u578b\u6846\u56fe：\u7528 print -s<\u6a21\u578b\u540d>，\u76f4\u63a5\u5bf9\u7cfb\u7edf\u540d\u6253\u5370<\/span>
        \nprint<\/span>(<\/span>'-sACDCACConverter'<\/span>,<\/span> 'figs\/s1_\u6a21\u578b\u6846\u56fe.png'<\/span>,<\/span> '-dpng'<\/span>,<\/span> '-r200'<\/span>)<\/span>;<\/span><\/p>\n

        % \u5143\u4ef6\u7b26\u53f7：\u628a\u5757\u8fde\u540c\u5176\u5168\u90e8\u53c2\u6570\u590d\u5236\u5230\u4e34\u65f6\u6a21\u578b\u540e\u6253\u5370<\/span>
        \nnew_system<\/span>(<\/span>'tmp'<\/span>)<\/span>;<\/span> open_system<\/span>(<\/span>'tmp'<\/span>)<\/span>;<\/span>
        \ndp =<\/span> get_param<\/span>(<\/span>srcBlk,<\/span> 'DialogParameters'<\/span>)<\/span>;<\/span> fn =<\/span> fieldnames<\/span>(<\/span>dp)<\/span>;<\/span>
        \nargs =<\/span> cell<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>*<\/span>numel<\/span>(<\/span>fn)<\/span>)<\/span>;<\/span>
        \nfor<\/span> j<\/span> =<\/span> 1<\/span>:<\/span>numel<\/span>(<\/span>fn)<\/span>
        \n args{<\/span>2<\/span>*<\/span>j<\/span>–<\/span>1<\/span>}<\/span> =<\/span> fn{<\/span>j<\/span>}<\/span>;<\/span>
        \n args{<\/span>2<\/span>*<\/span>j<\/span>}<\/span> =<\/span> get_param<\/span>(<\/span>srcBlk,<\/span> fn{<\/span>j<\/span>}<\/span>)<\/span>;<\/span> % \u9010\u9879\u590d\u5236\u539f\u6a21\u578b\u53c2\u6570<\/span>
        \nend<\/span>
        \nadd_block<\/span>(<\/span>get_param<\/span>(<\/span>srcBlk,<\/span> 'ReferenceBlock'<\/span>)<\/span>,<\/span> 'tmp\/blk'<\/span>,<\/span> …<\/span>
        \n 'Position'<\/span>,<\/span> [<\/span>50<\/span> 50<\/span> 270<\/span> 210<\/span>]<\/span>,<\/span> args{<\/span>:<\/span>}<\/span>)<\/span>;<\/span>
        \nprint<\/span>(<\/span>'-stmp'<\/span>,<\/span> 'figs\/s3_\u5143\u4ef6_xxx.png'<\/span>,<\/span> '-dpng'<\/span>,<\/span> '-r170'<\/span>)<\/span>;<\/span>
        \nclose_system<\/span>(<\/span>'tmp'<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

        \u5173\u952e\u7ecf\u9a8c：open_system \u540e\u5bf9\u56fe\u7a97 print \u5728\u65e0\u5934\u73af\u5883\u4e0b\u4f1a\u5f97\u5230\u7a7a\u767d\u56fe； \u5fc5\u987b\u7528 print('-s<\u6a21\u578b\u540d>', \u6587\u4ef6\u540d) \u76f4\u63a5\u5bf9\u7cfb\u7edf\u540d\u6253\u5370，\u624d\u80fd\u6b63\u786e\u6e32\u67d3\u6846\u56fe\u3002<\/p>\n

        9. \u5206\u6790\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u7684\u95ee\u9898\u4e0e\u5904\u7406<\/h3>\n

        \u5728\u63d0\u53d6\u4e0e\u7edf\u8ba1\u6570\u636e\u8fc7\u7a0b\u4e2d，\u6709\u82e5\u5e72\u503c\u5f97\u8bb0\u5f55\u7684\u6280\u672f\u8981\u70b9：<\/p>\n

        9.1 MATLAB \u5de5\u4f5c\u533a\u53d8\u91cf pi \u88ab\u8986\u76d6\u5bfc\u81f4\u9891\u8c31\u5168\u9519<\/h4>\n

        \u73b0\u8c61：\u521d\u7248\u9891\u8c31\u5206\u6790\u663e\u793a 50 Hz \u6b63\u5f26\u5728 25 Hz \u5904\u6709 420 % \u7684"\u8c10\u6ce2"，\u4e14\u76f4\u6d41\u4fe1\u53f7\u5728\u975e\u96f6\u9891\u7387\u5904\u4e5f\u6709\u5de8\u5927\u5206\u91cf\u3002<\/p>\n

        \u6839\u56e0：MATLAB \u4f1a\u8bdd\u4e3a\u6301\u4e45\u5de5\u4f5c\u533a，\u65e9\u524d\u8c03\u8bd5\u65f6\u7528 pi \u4f5c\u4e3a\u5faa\u73af\u53d8\u91cf\u88ab\u8d4b\u503c\u4e3a 1，\u5bfc\u81f4\u540e\u7eed\u6240\u6709 2*pi*t \u5b9e\u9645\u7b97\u6210 2*t，\u7a97\u51fd\u6570\u4e0e\u9891\u7387\u8f74\u5b8c\u5168\u9519\u8bef\u3002<\/p>\n

        \u5904\u7406：clear pi \u6062\u590d\u3002\u66f4\u91cd\u8981\u7684\u662f\u6539\u7528\u77e9\u5f62\u7a97 + \u4e25\u683c\u6574\u6570\u5468\u671f\u7684 DFT，\u9a8c\u8bc1\u7eaf 50 Hz \u6b63\u5f26\u4ec5\u5728\u5bf9\u5e94\u9891\u70b9\u975e\u96f6（\u5176\u4f59\u9891\u70b9\u5e45\u503c ~1e-10），\u786e\u8ba4\u5206\u6790\u6d41\u7a0b\u6b63\u786e\u540e\u624d\u5f00\u59cb\u6b63\u5f0f\u8ba1\u7b97\u3002<\/p>\n

        \u6559\u8bad：\u9891\u8c31\u7ed3\u679c\u5f02\u5e38\u65f6，\u5148\u7528\u5df2\u77e5\u4fe1\u53f7（\u7eaf\u76f4\u6d41\u3001\u7eaf\u6b63\u5f26）\u9a8c\u8bc1\u5206\u6790\u94fe\u8def\u672c\u8eab，\u518d\u6000\u7591\u88ab\u5206\u6790\u7684\u6570\u636e\u3002\u7a97\u53e3\u7c7b\u578b（\u5bf9\u79f0\u578b vs \u5468\u671f\u578b）\u5fc5\u987b\u4e0e DFT \u957f\u5ea6\u5339\u914d\u3002<\/p>\n

        9.2 \u91c7\u6837\u70b9\u6570\u7684\u9009\u53d6<\/h4>\n

        \u73b0\u8c61：\u7528 10001 \u70b9（1.9998 \u4e2a\u5de5\u9891\u5468\u671f）\u505a FFT \u65f6，\u6805\u680f\u6548\u5e94\u5bfc\u81f4\u57fa\u6ce2\u5e45\u503c\u504f\u4f4e\u7ea6 5 %\u3002<\/p>\n

        \u539f\u56e0：\u91c7\u6837\u70b9\u8de8\u5ea6\u4e3a 9999\u00d74 \u03bcs = 39.996 ms，\u800c 50 Hz \u5468\u671f\u4e3a 20 ms，\u65e0\u6cd5\u843d\u5165\u6574\u6570\u5468\u671f\u3002<\/p>\n

        \u5904\u7406：\u6539\u7528\u76f4\u63a5 DFT \u5728\u7cbe\u786e\u9891\u7387\u70b9\u6c42\u5e45\u503c（2\u00b7|\u03a3 x\u00b7exp(-j2\u03c0ft)|\/N），\u907f\u514d\u9891\u70b9\u5bf9\u9f50\u95ee\u9898\u3002\u540c\u65f6\u5bf9 THD \u8ba1\u7b97\u53ea\u53d6 1 kHz \u4ee5\u4e0b\u8c10\u6ce2\u3002<\/p>\n

        9.3 \u8d1f\u8f7d\u963b\u6297\u5b9a\u4e49\u7684\u6807\u5b9a<\/h4>\n

        Simulink \u7684 \u0394 \u63a5\u6cd5\u8d1f\u8f7d\u5757，\u5176\u6bcf\u76f8\u7535\u963b\u6309 3\u00b7V_LL\u00b2\/P \u6298\u7b97（8.664 \u03a9），\u800c\u975e\u6559\u79d1\u4e66\u516c\u5f0f V_LL\u00b2\/P（2.888 \u03a9）\u3002\u6b64\u7ed3\u8bba\u7531\u5b9e\u6d4b\u6570\u636e\u53cd\u63a8\u786e\u8ba4：<\/p>\n

        R = \u221a3 \u00d7 V_ab \/ I_line = \u221a3 \u00d7 376.839 \/ 75.455 = 8.65 \u03a9
        \nP = 3 \u00d7 V_ab\u00b2 \/ R = 49.17 kW \u2248 50 kW（\u989d\u5b9a\u503c）
        \n\u529f\u7387\u56e0\u6570 = 49.17 \/ (\u221a3 \u00d7 380 \u00d7 75.455) = 0.990<\/p>\n

        9.4 \u7ed8\u56fe\u4e2d\u7684\u4e24\u4e2a\u5751（matplotlib \u4e2d\u6587\u5b57\u4f53）<\/h4>\n

        \u5751 1：\u56fe\u4f8b\u53d8\u91cf\u540d\u6e32\u67d3\u6210\u4e71\u7801（\u5982 \u1d488）<\/p>\n

        \u6700\u521d\u6309 skill \u7684 IT \u8868\u7528 Unicode \u6570\u5b66\u659c\u4f53\u5b57\u7b26（𝑢\u3001𝑖）\u4f5c\u53d8\u91cf\u6807\u6ce8， \u4f46\u5b9e\u6d4b Times New Roman \u4e0e SimSun \u90fd\u6ca1\u6709 U+1D458（𝑢）\u5b57\u5f62， \u9010\u5b57\u56de\u9000\u5931\u8d25\u540e\u6e32\u67d3\u6210\u4e71\u7801\u3002\u628a STIXGeneral \u63d0\u5230\u56de\u9000\u94fe\u6700\u524d\u9762\u53ef\u89e3\u51b3 𝑢， \u4f46\u4f1a\u5bfc\u81f4\u4e2d\u6587\u53d8\u65b9\u6846（STIXGeneral \u65e0\u4e2d\u6587\u5b57\u5f62）\u3002<\/p>\n

        \u6700\u7ec8\u65b9\u6848：\u53d8\u91cf\u540d\u6539\u7528\u7eaf ASCII \u6b63\u4f53（uab\u3001ib\u3001udc）， \u7531 Times New Roman \u81ea\u5e26 glyph，\u4e2d\u6587\u4e0e\u53d8\u91cf\u5747\u6b63\u5e38\u3002<\/p>\n

        \u5751 2：\u4e2d\u6587\u6807\u7b7e\u5185\u6df7\u5165 $…$ \u5bfc\u81f4\u4e2d\u6587\u53d8 dummy symbol<\/p>\n

        \u8bef\u4ee5\u4e3a"\u53d8\u91cf\u662f\u7eaf ASCII \u5c31\u4e0d\u8fdd\u53cd\u94c1\u5f8b"，\u4e8e\u662f\u5199\u6210 f"\u7535\u538b $U_{{ab}}$"\u3002 \u5b9e\u6d4b matplotlib \u7684 mathtext \u662f\u6574\u4e32\u751f\u6548\u2014\u2014\u53ea\u8981\u6807\u7b7e\u91cc\u51fa\u73b0\u4e00\u4e2a $…$ \u6bb5， \u6574\u6761\u6807\u7b7e（\u542b\u4e2d\u6587）\u90fd\u6539\u7528 mathtext \u5b57\u4f53\u6e32\u67d3，\u4e2d\u6587\u5168\u90e8\u53d8 dummy symbol （\u63a7\u5236\u53f0\u62a5 Font 'default' does not have a glyph for '\\\\u7535'）\u3002<\/p>\n

        \u8fd9\u6b63\u662f skill \u94c1\u5f8b 1 \u7684\u672c\u8d28，\u4e4b\u524d\u5bf9\u5b83\u7684\u7406\u89e3\u4e0d\u5230\u4f4d\u3002 \u6539\u6b63：\u4e2d\u6587\u6807\u7b7e\u5185\u7684\u53d8\u91cf\u4e00\u5f8b\u4e0d\u7528 $…$\u3002<\/p>\n

        \u9644\u5e26\u4fee\u6b63\u7684\u4e24\u5904\u5750\u6807\u8f74\u95ee\u9898<\/p>\n\n\u95ee\u9898\u539f\u56e0\u4fee\u6b63<\/tr>\n\n\n\n\n
        4 \u5f20\u5355\u5468\u671f\u56fe\u6574\u4f53\u7a7a\u767d<\/td>\n\u6570\u636e\u5728 60\u201380 ms，\u800c set_xlim(0, 20)<\/td>\n\u6a2a\u8f74\u6539\u76f8\u5bf9\u65f6\u95f4（0 \u8d77\u7b97）<\/td>\n<\/tr>\n
        \u5355\u5468\u671f\u6a2a\u8f74\u663e\u793a 0\u201320000<\/td>\nts \u5df2\u662f ms，\u53c8\u4e58\u4e86\u4e00\u6b21 1e3<\/td>\n\u53bb\u6389\u91cd\u590d\u6362\u7b97<\/td>\n<\/tr>\n
        \u5404\u56fe y \u8f74\u5927\u7247\u7559\u767d<\/td>\n\u786c\u7f16\u7801\u8303\u56f4\u4e0e\u5b9e\u9645\u6570\u636e\u4e0d\u5339\u914d<\/td>\n\u6539\u4e3a\u6309\u6570\u636e\u81ea\u9002\u5e94（ylim_pad）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        9.5 \u65e0\u5934\u73af\u5883\u4e0b\u622a\u53d6 Simulink \u754c\u9762<\/h4>\n

        \u6700\u521d\u7528 open_system \u6253\u5f00\u6a21\u578b\u540e，\u5bf9\u56fe\u7a97 print \/ getframe \u622a\u56fe， \u7ed3\u679c\u5168\u90e8\u5f97\u5230\u7a7a\u767d\u56fe（usejava('desktop') \u8fd4\u56de 1，\u8bf4\u660e\u6709\u684c\u9762\u73af\u5883， \u4f46\u6a21\u578b\u753b\u5e03\u5e76\u672a\u6e32\u67d3）\u3002<\/p>\n

        \u6b63\u786e\u7684\u505a\u6cd5：\u7528 print \u7684 -s \u9009\u9879\u76f4\u63a5\u5bf9\u7cfb\u7edf\u540d\u6253\u5370：<\/p>\n

        print<\/span>(<\/span>'-sACDCACConverter'<\/span>,<\/span> 'out.png'<\/span>,<\/span> '-dpng'<\/span>,<\/span> '-r200'<\/span>)<\/span>;<\/span> % \u2705 \u6b63\u5e38\u6e32\u67d3<\/span>
        \nprint<\/span>(<\/span>figHandle,<\/span> 'out.png'<\/span>,<\/span> '-dpng'<\/span>)<\/span>;<\/span> % \u274c \u7a7a\u767d<\/span><\/p>\n

        \u5143\u4ef6\u53c2\u6570\u9762\u677f\u540c\u6837\u65e0\u6cd5\u76f4\u63a5\u622a\u56fe（\u53c2\u6570\u5bf9\u8bdd\u6846\u5728\u65e0\u5934\u73af\u5883\u4e0b\u4e0d\u5f00\u7a97）， \u89e3\u51b3\u529e\u6cd5\u662f\u628a\u5757\u8fde\u540c\u5176\u5168\u90e8\u63a9\u819c\u53c2\u6570\u590d\u5236\u5230\u4e34\u65f6\u6a21\u578b\u518d\u6253\u5370：<\/p>\n

        dp =<\/span> get_param<\/span>(<\/span>srcBlk,<\/span> 'DialogParameters'<\/span>)<\/span>;<\/span> fn =<\/span> fieldnames<\/span>(<\/span>dp)<\/span>;<\/span>
        \nargs =<\/span> cell<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>*<\/span>numel<\/span>(<\/span>fn)<\/span>)<\/span>;<\/span>
        \nfor<\/span> j<\/span> =<\/span> 1<\/span>:<\/span>numel<\/span>(<\/span>fn)<\/span>
        \n args{<\/span>2<\/span>*<\/span>j<\/span>–<\/span>1<\/span>}<\/span> =<\/span> fn{<\/span>j<\/span>}<\/span>;<\/span>
        \n args{<\/span>2<\/span>*<\/span>j<\/span>}<\/span> =<\/span> get_param<\/span>(<\/span>srcBlk,<\/span> fn{<\/span>j<\/span>}<\/span>)<\/span>;<\/span> % \u9010\u9879\u590d\u5236<\/span>
        \nend<\/span>
        \nadd_block<\/span>(<\/span>get_param<\/span>(<\/span>srcBlk,<\/span> 'ReferenceBlock'<\/span>)<\/span>,<\/span> 'tmp\/blk'<\/span>,<\/span> …<\/span>
        \n 'Position'<\/span>,<\/span> [<\/span>50<\/span> 50<\/span> 270<\/span> 210<\/span>]<\/span>,<\/span> args{<\/span>:<\/span>}<\/span>)<\/span>;<\/span>
        \nprint<\/span>(<\/span>'-stmp'<\/span>,<\/span> 'out.png'<\/span>,<\/span> '-dpng'<\/span>,<\/span> '-r170'<\/span>)<\/span>;<\/span><\/p>\n

        \u4e24\u4e2a\u6613\u9519\u70b9：<\/p>\n\n\u73b0\u8c61\u6839\u56e0\u5904\u7f6e<\/tr>\n\n\n\n
        add_block \u62a5"\u6ca1\u6709\u540d\u4e3a XX \u7684\u6a21\u5757"<\/td>\n\u7528\u4e86 ReferenceBlockFile \u6216\u5e26\u6362\u884c\u7684\u8def\u5f84<\/td>\n\u76f4\u63a5\u4f20 get_param(blk,'ReferenceBlock') \u539f\u503c<\/td>\n<\/tr>\n
        print('-s' mdl, f, …) \u62a5"\u53ef\u80fd\u662f\u6587\u4ef6\u540d"<\/td>\n'-s' mdl \u5728\u547d\u4ee4\u884c\u88ab\u89e3\u6790\u6210\u6587\u4ef6\u540d<\/td>\n\u5148\u62fc\u6210\u53d8\u91cf s = ['-s' mdl] \u518d\u4f20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u6a21\u578b\u5e93\u5757\u8def\u5f84\u8d85\u8fc7 63 \u5b57\u7b26\u65f6 add_block \u4f1a\u5931\u8d25，\u6b64\u65f6\u9700\u7528\u5df2\u52a0\u8f7d\u7684\u77ed\u540d （\u5982 spspowerguiLib\/powergui）\u2014\u2014\u5e93\u5728\u4e0a\u4e0b\u6587 load_system \u540e\u5df2\u6ce8\u518c\u77ed\u540d\u3002<\/p>\n

        9.6 seaborn \u4e0e matplotlib-plot-cn \u89c4\u8303\u7684\u51b2\u7a81<\/h4>\n

        \u6539\u7528 seaborn 0.13.2 \u7ed8\u56fe\u65f6\u51fa\u73b0\u4e2d\u6587\u5168\u90e8\u53d8\u65b9\u6846，\u62a5 39 \u6761 Glyph 26102 missing from font(s) Arial\u3002<\/p>\n

        \u6839\u56e0：sns.set_context() \u4e0e sns.set_theme() \u90fd\u4f1a\u628a rcParams["font.family"] \u91cd\u7f6e\u4e3a ["sans-serif"]（\u89e3\u6790\u5230 Arial）， \u800c Arial \u65e0\u4e2d\u6587\u5b57\u5f62\u3002\u8fd9\u4e0e skill \u94c1\u5f8b 2 \u7684\u610f\u56fe\u5b8c\u5168\u76f8\u53cd\u3002<\/p>\n

        \u5904\u7f6e：\u8c03\u7528 seaborn \u540e\u91cd\u8bbe\u5b57\u4f53\u94fe：<\/p>\n

        setup_cn_style(<\/span>)<\/span> # skill \u89c4\u8303<\/span>
        \nsns.<\/span>set_style(<\/span>"white"<\/span>)<\/span> # seaborn \u53ea\u63a5\u7ba1\u914d\u8272\/\u80cc\u666f<\/span>
        \nsns.<\/span>set_context(<\/span>"paper"<\/span>,<\/span> font_scale=<\/span>1.0<\/span>)<\/span>
        \nplt.<\/span>rcParams[<\/span>"font.family"<\/span>]<\/span> =<\/span> [<\/span>"Times New Roman"<\/span>,<\/span> "SimSun"<\/span>,<\/span> "STIXGeneral"<\/span>]<\/span> # \u2190 \u5fc5\u987b\u91cd\u8bbe<\/span><\/p>\n

        \u9a8c\u8bc1：sns.set_style("white") \u5355\u72ec\u8c03\u7528\u4e0d\u7834\u574f\u5b57\u4f53\u94fe， \u4f46 set_context \/ set_theme \u4f1a\u7834\u574f\u3002<\/p>\n

        9.7 \u6a21\u578b\u5185\u90e8\u8fde\u7ebf\u7684\u8fd8\u539f<\/h4>\n

        Simulink \u7684\u7535\u529b\u7535\u5b50\u5143\u4ef6\u91c7\u7528\u7269\u7406\u8fde\u7ebf（lconn \/ rconn \u7aef\u53e3），\u65e0\u6cd5\u901a\u8fc7\u5e38\u89c4\u7684 get_param(…,'Line') \u67e5\u8be2\u8fde\u63a5\u5173\u7cfb\u3002\u6700\u7ec8\u901a\u8fc7\u89e3\u538b .slx \u6587\u4ef6（\u5b9e\u4e3a ZIP），\u89e3\u6790 simulink\/systems\/system_root.xml \u4e2d\u7684 <Line> \u5143\u7d20\u4e0e SID \u6620\u5c04，\u51c6\u786e\u8fd8\u539f\u4e86\u529f\u7387\u6d41\u5411\u2014\u2014\u5176\u4e2d L1（200 \u03bcH）\u4f4d\u4e8e\u76f4\u6d41\u4fa7\u30012 mH \u4f4d\u4e8e\u9006\u53d8\u5668\u8f93\u51fa\u4fa7\u8fd9\u4e00\u5173\u952e\u4fe1\u606f，\u76f4\u63a5\u5f71\u54cd\u4e86\u540e\u7eed\u6240\u6709\u53c2\u6570\u5f52\u5c5e\u7684\u5224\u65ad\u3002<\/p>\n

        \n

        10. \u5173\u952e\u53c2\u6570\u4e0e\u7075\u654f\u5ea6\u5206\u6790<\/h3>\n

        \u4e3a\u56de\u7b54"\u54ea\u4e9b\u53c2\u6570\u6700\u5173\u952e"，\u5bf9\u6a21\u578b\u505a\u4e86\u5355\u53c2\u6570\u626b\u63cf（\u6bcf\u6b21\u53ea\u6539\u4e00\u4e2a\u53c2\u6570， \u5176\u4f59\u4fdd\u6301\u539f\u503c；StopTime = 0.1 s，\u7edf\u8ba1\u672b\u5c3e 4 \u4e2a\u5de5\u9891\u5468\u671f\u7528\u6574\u5468\u671f\u57fa\u6ce2\u6cd5）\u3002<\/p>\n

        \"\u654f\u611f\u5ea6\u70ed\u529b\u56fe\"<\/p>\n

        10.1 \u7075\u654f\u5ea6\u6392\u5e8f<\/h4>\n

        \u6309\u5404\u6307\u6807\u5728\u626b\u63cf\u8303\u56f4\u5185\u7684\u6700\u5927\u76f8\u5bf9\u53d8\u5316：<\/p>\n\n\u6392\u540d\u53c2\u6570VdcVabIbPTHDpf\u7efc\u5408<\/tr>\n\n\n\n\n\n\n
        1<\/td>\n\u8d1f\u8f7d P<\/td>\n6 %<\/td>\n14 %<\/td>\n162 %<\/td>\n28 %<\/td>\n182 %<\/td>\n482 %<\/td>\n56 %<\/td>\n<\/tr>\n
        2<\/td>\n\u8c03\u5236\u5ea6 m<\/td>\n4 %<\/td>\n46 %<\/td>\n46 %<\/td>\n92 %<\/td>\n59 %<\/td>\n47 %<\/td>\n35 %<\/td>\n<\/tr>\n
        3<\/td>\n\u8f93\u51fa\u7535\u611f Lac<\/td>\n2 %<\/td>\n21 %<\/td>\n21 %<\/td>\n39 %<\/td>\n183 %<\/td>\n21 %<\/td>\n22 %<\/td>\n<\/tr>\n
        4<\/td>\n\u8f7d\u6ce2\u9891\u7387 fc<\/td>\n0 %<\/td>\n0 %<\/td>\n0 %<\/td>\n1 %<\/td>\n974 %<\/td>\n0 %<\/td>\n1 %<\/td>\n<\/tr>\n
        5<\/td>\n\u6bcd\u7ebf\u7535\u5bb9 Cdc<\/td>\n0 %<\/td>\n0 %<\/td>\n0 %<\/td>\n0 %<\/td>\n6 %<\/td>\n0 %<\/td>\n0 %<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u7ed3\u8bba：\u672c\u6a21\u578b\u53ef\u5206\u4e09\u7c7b\u53c2\u6570\u2014\u2014<\/p>\n

          \n
        • \u8fd0\u884c\u70b9\u7c7b（m\u3001P）：\u51b3\u5b9a"\u8f93\u51fa\u591a\u5c11\u7535\u538b\/\u529f\u7387"，\u662f\u4f7f\u7528\u8005\u4e3b\u52a8\u8bbe\u5b9a\u7684\u76ee\u6807；<\/li>\n
        • \u54c1\u8d28\u7c7b（Lac\u3001fc）：\u51b3\u5b9a"\u8f93\u51fa\u8d28\u91cf\u6709\u591a\u597d"，\u662f\u8bbe\u8ba1\u8005\u8981\u4f18\u5316\u7684\u5bf9\u8c61；<\/li>\n
        • \u7f13\u51b2\u7c7b（Cdc）：\u53ea\u5f71\u54cd\u76f4\u6d41\u4fa7\u7eb9\u6ce2，\u5bf9\u4ea4\u6d41\u8f93\u51fa\u51e0\u4e4e\u65e0\u5f71\u54cd\u3002<\/li>\n<\/ul>\n

          10.2 \u8c03\u5236\u5ea6 m \u2014\u2014 \u8f93\u51fa\u7535\u538b\u7684\u4e3b\u63a7\u5f00\u5173<\/h4>\n

          \"\u8c03\u5236\u5ea6\u5f71\u54cd\"<\/p>\n

          \"m<\/p>\n\nmVdc (V)Vab (V)Ib (A)P (kW)THDv (%)pfIgrid (A)<\/tr>\n\n\n\n\n\n\n
          0.6<\/td>\n791.5<\/td>\n286.9<\/td>\n57.5<\/td>\n28.49<\/td>\n0.723<\/td>\n0.753<\/td>\n0.705<\/td>\n<\/tr>\n
          0.7<\/td>\n785.5<\/td>\n332.4<\/td>\n66.6<\/td>\n38.26<\/td>\n0.566<\/td>\n0.873<\/td>\n0.948<\/td>\n<\/tr>\n
          0.8<\/td>\n778.8<\/td>\n376.7<\/td>\n75.4<\/td>\n49.14<\/td>\n0.512<\/td>\n0.990<\/td>\n1.223<\/td>\n<\/tr>\n
          0.9<\/td>\n771.2<\/td>\n421.6<\/td>\n84.3<\/td>\n61.56<\/td>\n0.419<\/td>\n1.110<\/td>\n1.541<\/td>\n<\/tr>\n
          1.0<\/td>\n763.7<\/td>\n462.0<\/td>\n92.3<\/td>\n73.90<\/td>\n0.439<\/td>\n1.216<\/td>\n1.864<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u673a\u7406：Vab \u2248 (m\u00b7Vdc\/\u221a2) \u7ecf 2 mH \u538b\u964d\u4fee\u6b63\u3002m \u4ece 0.6 \u2192 1.0， \u8f93\u51fa\u7535\u538b 287 \u2192 462 V（+61 %），\u529f\u7387 28.5 \u2192 73.9 kW（+159 %）\u3002<\/p>\n

          \u503c\u5f97\u6ce8\u610f\u7684\u8d1f\u76f8\u5173：m\u2191 \u5219 Vdc\u2193（791.5 \u2192 763.7 V）\u3002 \u539f\u56e0\u662f\u8d1f\u8f7d\u7535\u6d41\u589e\u5927\u540e，L1 \u7684 1 \u03a9 \u4e32\u8054\u7535\u963b\u538b\u964d\u589e\u5927\u3002 \u8fd9\u63d0\u793a\u8c03\u9ad8 m \u63d0\u5347\u529f\u7387\u65f6\u4f1a\u727a\u7272\u6bcd\u7ebf\u7535\u538b\u3002<\/p>\n

          10.3 \u8f93\u51fa\u7535\u611f Lac \u2014\u2014 THD \u4e0e\u8f93\u51fa\u7535\u538b\u7684\u6743\u8861（\u672c\u6a21\u578b\u6700\u5173\u952e\u7684\u8bbe\u8ba1\u77db\u76fe）<\/h4>\n

          \"Lac<\/p>\n

          \"Lac<\/p>\n\nLac (mH)Vab (V)P (kW)THDv (%)pfIgrid (A)<\/tr>\n\n\n\n\n\n\n
          0.5<\/td>\n381.0<\/td>\n50.25<\/td>\n1.159<\/td>\n1.001<\/td>\n1.262<\/td>\n<\/tr>\n
          1.0<\/td>\n380.6<\/td>\n50.16<\/td>\n0.793<\/td>\n1.000<\/td>\n1.252<\/td>\n<\/tr>\n
          2.0<\/td>\n376.7<\/td>\n49.14<\/td>\n0.512<\/td>\n0.990<\/td>\n1.223<\/td>\n<\/tr>\n
          4.0<\/td>\n358.3<\/td>\n44.44<\/td>\n0.331<\/td>\n0.941<\/td>\n1.103<\/td>\n<\/tr>\n
          8.0<\/td>\n300.1<\/td>\n31.19<\/td>\n0.224<\/td>\n0.789<\/td>\n0.770<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u8fd9\u662f\u672c\u6a21\u578b\u6700\u503c\u5f97\u5173\u6ce8\u7684\u6743\u8861：<\/p>\n

            \n
          • THD \u968f L \u5355\u8c03\u4e0b\u964d（1.16 % \u2192 0.22 %），\u6ee4\u6ce2\u6548\u679c\u6301\u7eed\u6539\u5584；<\/li>\n
          • \u4f46 Vab \u5728 L > 2 mH \u540e\u6025\u5267\u4e0b\u964d（4 mH \u65f6 358 V，8 mH \u65f6\u4ec5 300 V）， \u529f\u7387\u4ece 49.1 kW \u6389\u5230 31.2 kW\u3002<\/li>\n<\/ul>\n

            \u673a\u7406：\u611f\u6297 X_L = 2\u03c0fL，50 Hz \u4e0b 2 mH \u5df2\u8fbe 0.628 \u03a9， \u5728 75 A \u7535\u6d41\u4e0b\u4ea7\u751f 47 V \u538b\u964d（\u7ea6 12 %）\u3002\u7ee7\u7eed\u589e\u5927 L，\u538b\u964d\u6309\u7ebf\u6027\u589e\u957f， \u800c\u6ee4\u6ce2\u6536\u76ca（THD \u5df2\u4f4e\u4e8e 0.5 %）\u8fb9\u9645\u9012\u51cf\u3002<\/p>\n

            \u8bbe\u8ba1\u5efa\u8bae：\u82e5\u76ee\u6807\u662f\u628a THD \u4ece 0.51 % \u538b\u5230 0.33 %，\u53ef\u4ee5\u7528 4 mH \u6362， \u4f46\u5fc5\u987b\u63a5\u53d7 5 % \u7684\u529f\u7387\u635f\u5931；\u82e5\u529f\u7387\u6307\u6807\u521a\u6027，\u5219 2 mH \u5df2\u662f\u8f83\u4f18\u6298\u4e2d\u3002<\/p>\n

            10.4 \u6bcd\u7ebf\u7535\u5bb9 Cdc \u2014\u2014 \u53ea\u7ba1\u76f4\u6d41\u7eb9\u6ce2<\/h4>\n

            \"Cdc<\/p>\n\nCdc (\u00b5F)Vdc (V)\u7eb9\u6ce2\u5cf0\u5cf0\u503c (V)Vab (V)P (kW)THDv (%)<\/tr>\n\n\n\n\n\n\n
            2000<\/td>\n778.8<\/td>\n13.05<\/td>\n376.7<\/td>\n49.14<\/td>\n0.489<\/td>\n<\/tr>\n
            3500<\/td>\n778.8<\/td>\n9.96<\/td>\n376.7<\/td>\n49.14<\/td>\n0.494<\/td>\n<\/tr>\n
            5000<\/td>\n778.8<\/td>\n6.48<\/td>\n376.7<\/td>\n49.14<\/td>\n0.512<\/td>\n<\/tr>\n
            8000<\/td>\n778.9<\/td>\n4.10<\/td>\n376.8<\/td>\n49.16<\/td>\n0.522<\/td>\n<\/tr>\n
            11000<\/td>\n778.9<\/td>\n3.08<\/td>\n376.8<\/td>\n49.17<\/td>\n0.521<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u673a\u7406：\u7eb9\u6ce2\u4e0e\u5bb9\u91cf\u8fd1\u4f3c\u6210\u53cd\u6bd4（2000 \u2192 11000 \u00b5F，\u7eb9\u6ce2 13.05 \u2192 3.08 V， \u6bd4\u4f8b 4.2 \u2248 \u5bb9\u91cf\u6bd4 5.5）\u3002\u5bf9\u4ea4\u6d41\u4fa7\u5b8c\u5168\u65e0\u5f71\u54cd\u2014\u2014Vab\u3001P \u51e0\u4e4e\u4e0d\u53d8\u3002<\/p>\n

            \u552f\u4e00\u526f\u4f5c\u7528：THD \u4ece 0.489 % \u5fae\u5347\u5230 0.521 %，\u56e0\u4e3a\u6bcd\u7ebf\u7535\u538b\u6ce2\u5f62\u53d8"\u5e73" \u4e4b\u540e，SPWM \u7684\u7b49\u6548\u8c03\u5236\u6df1\u5ea6\u7565\u6709\u53d8\u5316，\u91cf\u7ea7\u5f88\u5c0f\u53ef\u5ffd\u7565\u3002<\/p>\n

            \u8bbe\u8ba1\u5efa\u8bae：\u82e5\u53ea\u5173\u5fc3\u76f4\u6d41\u4fa7\u54c1\u8d28，2000 \u00b5F \u5373\u53ef（\u7eb9\u6ce2 1.7 %）； 5000 \u00b5F \u7559\u4e86\u5145\u8db3\u4f59\u91cf\u3002<\/p>\n

            10.5 \u8f7d\u6ce2\u9891\u7387 fc \u2014\u2014 \u5b58\u5728"\u8c10\u6ce2\u56de\u843d"\u9677\u9631<\/h4>\n

            \"Fc<\/p>\n

            \"THD<\/p>\n\nfc (Hz)\u8f7d\u6ce2\u6bd4Vab (V)THDv (%)pf<\/tr>\n\n\n\n\n\n\n
            1000<\/td>\n20<\/td>\n376.2<\/td>\n5.484<\/td>\n0.989<\/td>\n<\/tr>\n
            1500<\/td>\n30<\/td>\n376.6<\/td>\n0.495<\/td>\n0.991<\/td>\n<\/tr>\n
            2000<\/td>\n40<\/td>\n376.7<\/td>\n0.512<\/td>\n0.990<\/td>\n<\/tr>\n
            3000<\/td>\n60<\/td>\n376.9<\/td>\n0.632<\/td>\n0.993<\/td>\n<\/tr>\n
            4000<\/td>\n80<\/td>\n377.4<\/td>\n0.696<\/td>\n0.993<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u53cd\u5e38\u73b0\u8c61：fc \u4ece 2000 \u964d\u5230 1000 Hz \u65f6，THD \u7a81\u7136\u4ece 0.51 % \u8df3\u5230 5.48 % （\u52a3\u5316 10 \u500d）\u3002\u8fd9\u4e0d\u662f\u7edf\u8ba1\u5047\u8c61\u2014\u2014\u9010\u6b21\u8c10\u6ce2\u5206\u6790\u8bc1\u5b9e：<\/p>\n

            fc = 1000 Hz \u65f6：18 \u6b21\u8c10\u6ce2（= 900 Hz）\u5e45\u503c\u8fbe\u57fa\u6ce2\u7684 5.47 %，
            \n 900 Hz \u5904\u7edd\u5bf9\u5e45\u503c 29.1 V
            \nfc = 2000 Hz \u65f6：18 \u6b21\u8c10\u6ce2\u4ec5 0.03 %，1900 Hz \u5904\u4ec5 7.4 V<\/p>\n

            \u673a\u7406：\u4f4e\u8f7d\u6ce2\u6bd4（20）\u65f6，\u5f00\u5173\u8c10\u6ce2\u7c07 k\u00b7fc \u00b1 f\u2082 \u903c\u8fd1\u57fa\u9891， 900 Hz \u8c10\u6ce2\u6070\u597d\u843d\u5165 1 kHz \u7684 THD \u7edf\u8ba1\u7a97\u53e3\u3002fc = 1500 Hz \u65f6\u8c10\u6ce2\u5728 1450 Hz，\u5df2\u5728\u7a97\u53e3\u5916，THD \u6062\u590d\u5230 0.495 %\u3002<\/p>\n

            \u8bbe\u8ba1\u5efa\u8bae：\u4e0d\u8981\u76f2\u76ee\u964d\u4f4e\u8f7d\u6ce2\u9891\u7387\u3002fc\/f\u2082 \u2265 30 \u624d\u80fd\u4fdd\u8bc1\u4f4e\u9891\u8c10\u6ce2 \u8fdc\u79bb\u57fa\u9891\u3002\u672c\u6a21\u578b\u53d6 40（fc = 2 kHz）\u662f\u5408\u7406\u7684\u9009\u62e9\u3002<\/p>\n

            10.6 \u8d1f\u8f7d\u529f\u7387 P \u2014\u2014 \u6bcd\u7ebf\u7535\u538b\u7684"\u9690\u5f62\u6740\u624b"<\/h4>\n

            \"\u8d1f\u8f7d\u5f71\u54cd\"<\/p>\n

            \"\u8d1f\u8f7d\u53cc\u8f74\u5f71\u54cd\"<\/p>\n\nP (kW)Vdc (V)Vab (V)Ib (A)THDv (%)pfIgrid (A)THDi (%)<\/tr>\n\n\n\n\n\n\n
            10<\/td>\n802.8<\/td>\n397.4<\/td>\n15.9<\/td>\n1.266<\/td>\n5.221<\/td>\n0.272<\/td>\n69.55<\/td>\n<\/tr>\n
            25<\/td>\n792.8<\/td>\n390.4<\/td>\n39.1<\/td>\n0.787<\/td>\n2.052<\/td>\n0.653<\/td>\n41.72<\/td>\n<\/tr>\n
            50<\/td>\n778.8<\/td>\n376.7<\/td>\n75.4<\/td>\n0.512<\/td>\n0.990<\/td>\n1.223<\/td>\n31.79<\/td>\n<\/tr>\n
            75<\/td>\n767.4<\/td>\n360.9<\/td>\n108.4<\/td>\n0.398<\/td>\n0.632<\/td>\n1.702<\/td>\n27.96<\/td>\n<\/tr>\n
            100<\/td>\n758.8<\/td>\n343.8<\/td>\n137.7<\/td>\n0.336<\/td>\n0.452<\/td>\n2.079<\/td>\n25.85<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u4e09\u4e2a\u91cd\u8981\u73b0\u8c61：<\/p>\n

          • \u6bcd\u7ebf\u7535\u538b\u968f\u8d1f\u8f7d\u4e0b\u964d（802.8 \u2192 758.8 V，\u964d 5.5 %）： L1 \u7684 1 \u03a9 \u7535\u963b\u5728 128 A \u65f6\u538b\u964d 128 V\u3002\u8fd9\u662f\u76f4\u6d41\u4fa7\u4e32\u8054\u7535\u963b\u7684\u56fa\u6709\u4ee3\u4ef7， \u4e5f\u662f\u672c\u6a21\u578b\u6700\u503c\u5f97\u5173\u6ce8\u7684\u8584\u5f31\u73af\u8282\u3002<\/li>\n
          • \u8f7b\u8f7d\u65f6 pf \u5f02\u5e38\u504f\u9ad8（10 kW \u65f6 pf = 5.22）：\u6b64\u65f6\u8d1f\u8f7d\u7535\u6d41\u4ec5 15.9 A， \u800c 3 kvar \u5bb9\u6027\u8d1f\u8f7d\u7684\u8865\u507f\u7535\u6d41 4.56 A \u5360\u6bd4\u5f88\u5927，\u5bb9\u6027\u65e0\u529f\u8d85\u8fc7\u6709\u529f， \u529f\u7387\u56e0\u6570\u4e0d\u518d\u662f\u901a\u5e38\u610f\u4e49\u4e0a\u7684"\u6548\u7387\u6307\u6807"，\u9700\u91cd\u65b0\u5ba1\u89c6\u8865\u507f\u5bb9\u91cf\u7684\u5339\u914d\u3002<\/li>\n
          • THDv \u53cd\u800c\u968f\u8d1f\u8f7d\u589e\u5927\u800c\u6539\u5584（1.27 % \u2192 0.34 %）： \u8f7b\u8f7d\u65f6 2 mH \u6ee4\u6ce2\u7535\u611f\u7684\u963b\u5c3c\u4f5c\u7528\u76f8\u5bf9\u4e0d\u8db3，\u5f00\u5173\u7eb9\u6ce2\u5360\u6bd4\u66f4\u9ad8\u3002<\/li>\n

            10.7 \u5efa\u8bae\u7684\u5bf9\u6bd4\u5206\u6790\u65b9\u6848<\/h4>\n

            \u82e5\u8981\u505a\u7cfb\u7edf\u6027\u5bf9\u6bd4，\u5efa\u8bae\u6309\u4ee5\u4e0b\u987a\u5e8f\u6539\u52a8（\u6bcf\u6b21\u53ea\u52a8\u4e00\u4e2a，\u4fbf\u4e8e\u5f52\u56e0）：<\/p>\n\n\u76ee\u7684\u6539\u52a8\u5173\u6ce8\u6307\u6807\u9884\u671f\u6548\u679c<\/tr>\n\n\n\n\n\n\n
            \u8c03\u8f93\u51fa\u7535\u538b<\/td>\nm: 0.7 \/ 0.8 \/ 0.9<\/td>\nVab, P, Vdc<\/td>\nVab \u7ebf\u6027\u53d8\u5316，P \u5e73\u65b9\u5173\u7cfb<\/td>\n<\/tr>\n
            \u63d0\u8f93\u51fa\u54c1\u8d28<\/td>\nLac: 2 \/ 4 \/ 6 mH<\/td>\nTHDv, Vab, P<\/td>\nTHD\u2193 \u4f46 Vab \u4e0e P \u660e\u663e\u2193<\/td>\n<\/tr>\n
            \u51cf\u76f4\u6d41\u7eb9\u6ce2<\/td>\nCdc: 2000 \/ 5000 \/ 10000 \u00b5F<\/td>\nVdc \u7eb9\u6ce2<\/td>\n\u7eb9\u6ce2 \u221d 1\/C，\u4ea4\u6d41\u4fa7\u65e0\u5f71\u54cd<\/td>\n<\/tr>\n
            \u63d0\u529f\u7387<\/td>\nP: 25 \/ 50 \/ 75 kW<\/td>\nVdc, Igrid, pf<\/td>\nVdc\u2193（L1 \u538b\u964d），Igrid\u2191<\/td>\n<\/tr>\n
            \u6362\u8f7d\u6ce2\u65b9\u6848<\/td>\nfc: 1500 \/ 2000 \/ 3000 Hz<\/td>\nTHDv, \u9891\u8c31<\/td>\n\u4f4e\u4e8e 1.5 kHz \u4f1a\u6076\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u591a\u53c2\u6570\u8054\u5408\u626b\u63cf\u65f6\u5efa\u8bae\u7528\u6b63\u4ea4\u5b9e\u9a8c\u6216\u54cd\u5e94\u9762\u6cd5，\u907f\u514d\u5355\u53c2\u6570\u5206\u6790\u65e0\u6cd5 \u63ed\u793a\u7684\u4ea4\u4e92\u6548\u5e94（\u672c\u6a21\u578b\u4e2d m \u4e0e P \u5bf9 Vdc \u7684\u5f71\u54cd\u662f\u53e0\u52a0\u7684）\u3002<\/p>\n

            \n

            11. \u603b\u7ed3<\/h3>\n

            \u672c\u6a21\u578b\u5b8c\u6574\u6f14\u793a\u4e86\u4ea4\u2014\u76f4\u2014\u4ea4\u53d8\u9891\u94fe\u8def\u7684\u8fd0\u884c\u7279\u6027，\u4eff\u771f\u7ed3\u679c\u663e\u793a\u7cfb\u7edf\u8bbe\u8ba1\u5408\u7406\u3001\u5de5\u4f5c\u7a33\u5b9a：<\/p>\n\n\u8bc4\u4ef7\u7ef4\u5ea6\u7ed3\u8bba<\/tr>\n\n\n\n\n\n\n
            \u529f\u80fd\u5b8c\u6574\u6027<\/td>\n\u4e09\u7ea7\u53d8\u6362（\u6574\u6d41 \/ \u76f4\u6d41 \/ \u9006\u53d8）\u5747\u6b63\u5e38\u5de5\u4f5c，\u8f93\u51fa\u9891\u7387\u4e0e\u5e45\u503c\u51c6\u786e<\/td>\n<\/tr>\n
            \u8f93\u51fa\u54c1\u8d28<\/td>\n\u7535\u538b THD \u4ec5 0.53 %，\u529f\u7387\u56e0\u6570 0.99，\u7535\u80fd\u8d28\u91cf\u4f18\u79c0<\/td>\n<\/tr>\n
            \u76f4\u6d41\u4fa7<\/td>\n\u6bcd\u7ebf 778.8 V，\u7eb9\u6ce2 0.72 %，360 Hz \u516d\u8109\u6ce2\u7279\u5f81\u6e05\u6670<\/td>\n<\/tr>\n
            \u6ee4\u6ce2\u6548\u679c<\/td>\n2 mH \u7535\u611f\u5c06\u5f00\u5173\u8c10\u6ce2\u4ece 40 % \u964d\u81f3 0.1 % \u4ee5\u4e0b<\/td>\n<\/tr>\n
            \u5df2\u77e5\u77ed\u677f<\/td>\n\u7535\u7f51\u4fa7\u7535\u6d41 THD \u8fbe 40 %（6 \u6b21\u8c10\u6ce2 34.8 %），\u6e90\u4e8e\u4e0d\u53ef\u63a7\u6574\u6d41；\u82e5\u9700\u6539\u5584，\u5e94\u5728\u76f4\u6d41\u4fa7\u6216\u4ea4\u6d41\u4fa7\u589e\u52a0\u6709\u6e90\/\u65e0\u6e90\u6ee4\u6ce2\u5668（AFE \u6709\u6e90\u524d\u7aef\u3001SVC \u7b49）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u8be5\u6a21\u578b\u7684\u6559\u5b66\u4ef7\u503c：\u5b83\u7528\u4e00\u4e2a\u7ed3\u6784\u7d27\u51d1\u7684\u6a21\u578b，\u5b8c\u6574\u5448\u73b0\u4e86\u7535\u529b\u7535\u5b50\u53d8\u6362\u4e2d\u7684\u516d\u4e2a\u5173\u952e\u7269\u7406\u73b0\u8c61\u2014\u2014\u516d\u8109\u6ce2\u6574\u6d41\u8c10\u6ce2\u3001360 Hz \u76f4\u6d41\u7eb9\u6ce2\u3001SPWM \u5f00\u5173\u8c10\u6ce2\u3001LC \u6ee4\u6ce2\u8870\u51cf\u3001\u7535\u538b THD \u4e0e\u529f\u7387\u56e0\u6570\u7684\u76f8\u4e92\u5236\u7ea6\u5173\u7cfb\u3002\u9002\u5408\u4f5c\u4e3a\u7535\u529b\u7535\u5b50\u8bfe\u7a0b\u4e2d"\u4ea4\u2014\u76f4\u2014\u4ea4\u53d8\u9891\u5668"\u7684\u6807\u51c6\u6f14\u793a\u7b97\u4f8b\u3002<\/p>\n

            \n

            \u62a5\u544a\u57fa\u4e8e MATLAB R2023b \u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u4e0e\u793a\u6ce2\u5668\u6570\u636e\u7ed8\u5236，\u6240\u6709\u6570\u503c\u5747\u53ef\u901a\u8fc7 scope_data.csv \u590d\u6838\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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