{"id":1026,"date":"2018-09-20T01:48:32","date_gmt":"2018-09-20T01:48:32","guid":{"rendered":""},"modified":"2018-09-20T09:48:58","modified_gmt":"2018-09-20T01:48:58","slug":"%e4%b8%89%e7%9b%b8spwm%e9%80%86%e5%8f%98%e5%99%a8%e7%9a%84%e8%b0%83%e5%88%b6%e5%bb%ba%e6%a8%a1%e5%92%8c%e4%bb%bf%e7%9c%9f%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1026","title":{"rendered":"\u4e09\u76f8SPWM\u9006\u53d8\u5668\u7684\u8c03\u5236\u5efa\u6a21\u548c\u4eff\u771f\u8be6\u89e3"},"content":{"rendered":"

\n\t\u3000\u3000\u968f\u7740\u7535\u529b\u7535\u5b50\u6280\u672f\u7684\u53d1\u5c55\uff0cSPWM\u6b63\u5f26\u8109\u5bbd\u8c03\u5236\u6cd5\u6b63\u9010\u6e10\u88ab\u4eba\u4eec\u719f\u6089\uff0c\u8fd9\u9879\u6280\u672f\u7684\u7279\u70b9\u662f\u901a\u7528\u6027\u5f3a\uff0c\u539f\u7406\u7b80\u5355\u3002\u5177\u6709\u5f00\u5173\u9891\u7387\u56fa\u5b9a\uff0c\u63a7\u5236\u548c\u8c03\u8282\u6027\u80fd\u597d\uff0c\u80fd\u6d88\u9664\u8c10\u6ce2\uff0c\u8bbe\u8ba1\u7b80\u5355\uff0c\u662f\u4e00\u79cd\u6bd4\u8f83\u597d\u7684\u6ce2\u5f62\u6539\u5584\u6cd5\u3002\u5b83\u7684\u51fa\u73b0\u4e3a\u4e2d\u5c0f\u578b\u9006\u53d8\u5668\u7684\u53d1\u5c55\u8d77\u4e86\u91cd\u8981\u7684\u63a8\u52a8\u4f5c\u7528\u3002\u7531\u4e8e\u5927\u529f\u7387\u7535\u529b\u7535\u5b50\u88c5\u7f6e\u7684\u7ed3\u6784\u590d\u6742\uff0c\u82e5\u76f4\u63a5\u5bf9\u88c5\u7f6e\u8fdb\u884c\u5b9e\u9a8c\uff0c\u4e14\u4ee3\u4ef7\u9ad8\u8d39\u65f6\u8d39\u529b\uff0c\u6545\u5728\u7814\u5236\u8fc7\u7a0b\u4e2d\u9700\u8981\u501f\u52a9\u8ba1\u7b97\u673a\u4eff\u771f\u6280\u672f\uff0c\u5bf9\u88c5\u7f6e\u7684\u8fd0\u884c\u673a\u7406\u4e0e\u7279\u6027\uff0c\u63a7\u5236\u65b9\u6cd5\u7684\u6709\u6548\u6027\u8fdb\u884c\u8bd5\u9a8c\uff0c\u4ee5\u9884\u6d4b\u5e76\u89e3\u51b3\u95ee\u9898\uff0c\u7f29\u77ed\u7814\u5236\u65f6\u95f4\u3002<\/p>\n

\n\t\u3000\u3000MATLAB\u8f6f\u4ef6\u5177\u6709\u5f3a\u5927\u7684\u6570\u503c\u8ba1\u7b97\u529f\u80fd\uff0c\u65b9\u4fbf\u76f4\u89c2\u7684Simulink\u5efa\u6a21\u73af\u5883\uff0c\u4f7f\u590d\u6742\u7535\u529b\u7535\u5b50\u88c5\u7f6e\u7684\u5efa\u6a21\u4e0e\u4eff\u771f\u6210\u4e3a\u53ef\u80fd\u3002\u672c\u6587\u5229\u7528MATLAB\uff0fSimulink\u4e3aSPWM\u9006\u53d8\u7535\u8def\u5efa\u7acb\u7cfb\u7edf\u4eff\u771f\u6a21\u578b\uff0c\u5e76\u5bf9\u5176\u8f93\u51fa\u7279\u6027\u8fdb\u884c\u4eff\u771f\u5206\u6790\u3002\u9996\u5148\u4ecb\u7ecd\u7684\u662f\u4e09\u76f8\u7535\u538b\u578b\u6865\u5f0f\u9006\u53d8\u7535\u8def\u539f\u7406\uff0c\u5176\u6b21\u9610\u8ff0\u4e86SPWM\u9006\u53d8\u5668\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u7279\u70b9\uff0c\u6700\u540e\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u4e09\u76f8\u7535\u538b\u6e90SPWM\u9006\u53d8\u5668\u7684\u5efa\u6a21\u4e0e\u4eff\u771f\u7ed3\u6784\uff0c\u5177\u4f53\u7684\u8ddf\u968f\u5c0f\u7f16\u4e00\u8d77\u4e86\u89e3\u4e00\u4e0b\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u3000\u3000\u4e00\u3001\u4e09\u76f8\u7535\u538b\u578b\u6865\u5f0f\u9006\u53d8\u7535\u8def<\/strong><\/h2>\n

\n\t\u3000\u3000\u4e09\u76f8\u7535\u538b\u578b\u6865\u5f0f\u9006\u53d8\u7535\u8def\u5982\u56fe1\u6240\u793a\uff0c\u7535\u538b\u578b\u4e09\u76f8\u6865\u5f0f\u9006\u53d8\u7535\u8def\u7684\u57fa\u672c\u5de5\u4f5c\u65b9\u5f0f\u4e5f\u662f180°\u5bfc\u7535\u65b9\u5f0f\uff0c\u5373\u6bcf\u4e2a\u6865\u81c2\u7684\u5bfc\u7535\u89d2\u5ea6\u4e3a180°\uff0c\u540c\u4e00\u76f8\u4e0a\u4e0b2\u4e2a\u6865\u81c2\u4ea4\u66ff\u5bfc\u7535\uff0c\u5404\u76f8\u5f00\u59cb\u5bfc\u7535\u7684\u89d2\u5ea6\u4f9d\u6b21\u76f8\u5dee120°\u3002\u8fd9\u6837\uff0c\u5728\u4efb\u4e00\u77ac\u95f4\uff0c\u5c06\u67093\u4e2a\u6865\u81c2\u540c\u65f6\u5bfc\u901a\u3002\u53ef\u80fd\u662f\u4e0a\u9762\u4e00\u4e2a\u81c2\u4e0b\u97622\u4e2a\u81c2\uff0c\u4e5f\u53ef\u80fd\u662f\u4e0a\u9762\u4e24\u4e2a\u81c2\u4e0b\u9762\u4e00\u4e2a\u81c2\u540c\u65f6\u5bfc\u901a\u3002\u56e0\u4e3a\u6bcf\u6b21\u6362\u6d41\u90fd\u662f\u5728\u540c\u4e00\u76f8\u4e0a\u4e0b\u4e24\u4e2a\u6865\u81c2\u4e4b\u95f4\u8fdb\u884c\u7684\uff0c\u56e0\u6b64\u4e5f\u88ab\u79f0\u4e3a\u7eb5\u5411\u6362\u6d41\u3002\u5f53urU\u300buc\u65f6\uff0c\u7ed9\u4e0a\u6865V1\u81c2\u4ee5\u5bfc\u901a\u4fe1\u53f7\uff0c\u7ed9\u4e0b\u6865\u81c2V4\u4ee5\u5173\u65ad\u4fe1\u53f7\uff0c\u5219U\u76f8\u76f8\u5bf9\u4e8e\u7535\u6e90\u5047\u60f3\u4e2d\u70b9N&rs<\/u>quo;\u7684\u8f93\u51fa\u7535\u538buUN‘=Ud\uff0f2\u3002\u5f53urU\u300auc\u65f6\uff0c\u7ed9V4\u5bfc\u901a\uff0c\u7ed9V1\u5173\u65ad\uff0c\u5219uUN&rs<\/u>quo;=Ud\uff0f2\u3002V1\u548cV4\u7684\u9a71\u52a8\u4fe1\u53f7\u59cb\u7ec8\u662f\u4e92\u8865\u7684\u3002\u5f53\u7ed9V1\uff08V4\uff09\u52a0\u5bfc\u901a\u4fe1\u53f7\u65f6\uff0c\u53ef\u80fd\u662fV1\uff08V4\uff09\u5bfc\u901a\uff0c\u4e5f\u53ef\u80fd\u662f\u4e8c\u6781\u7ba1<\/u>VD1\uff08VD4\uff09\u7eed\u6d41\u5bfc\u901a\u3002<\/p>\n

\n\t\u3000\u3000\"\u4e09\u76f8SPWM\u9006\u53d8\u5668\u7684\u8c03\u5236\u5efa\u6a21\u548c\u4eff\u771f\u8be6\u89e3\"<\/p>\n

\n\t\u3000\u3000\u4e8c\u3001SPWM\u9006\u53d8\u5668\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u7279\u70b9<\/strong><\/h2>\n

\n\t\u3000\u3000SPWM\uff0c\u4ed6\u662f\u6839\u636e\u9762\u79ef\u7b49\u6548\u539f\u7406\uff0cPWM\u6ce2\u5f62\u548c\u6b63\u5f26\u6ce2\u662f\u7b49\u6548\u7684\uff0c\u5bf9\u4e8e\u6b63\u5f26\u6ce2\u7684\u8d1f\u534a\u5468\uff0c\u4e5f\u53ef\u4ee5\u7528\u540c\u6837\u7684\u65b9\u6cd5\u5f97\u5230PWM\u6ce2\u5f62\u3002\u50cf\u8fd9\u79cd\u8109\u51b2\u7684\u5bbd\u5ea6\u6309\u6b63\u5f26\u89c4\u5f8b\u53d8\u5316\u800c\u548c\u6b63\u5f26\u6ce2\u7b49\u6548\u7684PWM\u6ce2\u5f62\uff0c\u4e5f\u79f0SPWM\u6ce2\u5f62\u3002\u5c31\u662f\u5728PWM\u7684\u57fa\u7840\u4e0a\u6539\u53d8\u4e86\u8c03\u5236\u8109\u51b2\u65b9\u5f0f\uff0c\u8109\u51b2\u5bbd\u5ea6\u65f6\u95f4\u5360\u7a7a\u6bd4\u6309\u6b63\u5f26\u89c4\u5f8b\u6392\u5217\uff0c\u8fd9\u6837\u7684\u8f93\u51fa\u6ce2\u5f62\u7ecf\u8fc7\u9002\u5f53\u7684\u6ee4\u6ce2\u5c31\u53ef\u4ee5\u5f97\u5230\u6b63\u5f26\u6ce2\u8f93\u51fa\u3002\u5b83\u5e7f\u6cdb\u7684\u5e94\u7528\u4e8e\u76f4\u6d41\u4ea4\u6d41\u9006\u53d8\u5668\u7b49\u3002<\/p>\n

\n\t\u3000\u3000SPWM\u6cd5\u662f\u4e00\u79cd\u6bd4\u8f83\u6210\u719f\u7684\uff0c\u76ee\u524d\u4f7f\u7528\u8f83\u5e7f\u6cdb\u7684PWM\u6cd5\uff0cSPWM\u6cd5\u5c31\u662f\u7528\u8109\u51b2\u5bbd\u5ea6\u6309\u6b63\u5f26\u89c4\u5f8b\u53d8\u5316\u548c\u6b63\u5f26\u6ce2\u7b49\u6548\u7684PWM\u6ce2\u5f62\u5373SPWM\u6ce2\u5f62\u63a7\u5236\u9006\u53d8\u7535\u8def\u4e2d\u5f00\u5173\u5668\u4ef6\u7684\u901a\u65ad\uff0c\u4f7f\u5176\u8f93\u51fa\u7684\u8109\u51b2\u7535\u538b\u9762\u79ef\u4e0e\u6240\u5e0c\u671b\u8f93\u51fa\u7684\u6b63\u5f26\u6ce2\u5728\u76f8\u5e94\u533a\u95f4\u5185\u7684\u9762\u79ef\u76f8\u7b49\uff0c\u901a\u8fc7\u6539\u53d8\u8c03\u5236\u6ce2\u7684\u9891\u7387\u548c\u5e45\u503c\u5219\u53ef\u8c03\u8282\u9006\u53d8\u7535\u8def\u8f93\u51fa\u7684\u7535\u538b\u548c\u5e45\u503c\u3002<\/p>\n

\n\t\u3000\u3000\u8981\u51c6\u786e\u7684\u751f\u6210SPWM\u6ce2\u5f62\uff0c\u5c31\u8981\u7cbe\u786e\u7684\u8ba1\u7b97\u51fa\u8fd9\u4e24\u4e2a\u70b9\u7684\u65f6\u95f4\u3002\u5f00\u5173\u5143\u4ef6\u5bfc\u901a\u65f6\u95f4\u662f\u8109\u51b2\u5bbd\u5ea6\uff0c\u5173\u6bb5\u65f6\u95f4\u662f\u8109\u51b2\u95f4\u9699\u3002\u6b63\u5f26\u6ce2\u7684\u9891\u7387\u548c\u5e45\u503c\u4e0d\u540c\u65f6\uff0c\u8fd9\u4e9b\u65f6\u95f4\u4e5f\u4e0d\u540c\uff0c\u4f46\u5bf9\u8ba1\u7b97\u673a\u6765\u8bf4\uff0c\u65f6\u95f4\u5b9a\u65f6\u5668<\/u>\u6765\u5b9e\u73b0\u3002\u8c03\u5236\u65b9\u6cd5\u53ef\u4ee5\u81ea\u5df1\u9009\u62e9\u3002<\/p>\n

\n\t\u3000\u3000SPWM\u9006\u53d8\u5668\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n

\n\t\u3000\u30001\u3001\u7535\u8def\u7b80\u5355\uff0c\u4e3b\u7535\u8def\u7ed3\u6784\u548c\u65b9\u6ce2\u9006\u53d8\u5668\u4e00\u6837\uff0c\u4f46\u53ea\u7528\u4e00\u4e2a\u534a\u529f\u7387\u7ea7\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8f93\u51fa\u7535\u538b\u3001\u9891\u7387\u3001\u76f8\u4f4d\u7684\u8c03\u8282\uff1b<\/p>\n

\n\t\u3000\u30002\u3001\u53ef\u4ee5\u4f7f\u7528\u4e0d\u53ef\u63a7\u6574\u6d41\u6865\uff0c\u4f7f\u7cfb\u7edf\u5bf9\u7535\u7f51\u7684\u529f\u7387\u56e0\u6570\u4e0e\u9006\u53d8\u5668\u8f93\u51fa\u7535\u538b\u503c\u65e0\u5173\uff1b<\/p>\n

\n\t\u3000\u30003\u3001\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u8c03\u9891\u3001\u8c03\u538b\uff0c\u4e0e\u652f\u6d41\u73af\u8282\u7684\u539f\u4ef6\u53c2\u6570\u65e0\u5173\uff0c\u7cfb\u7edf\u7684\u52a8\u6001\u54cd\u5e94\u901f\u5ea6\u65e0\u5173\uff1b<\/p>\n

\n\t\u3000\u30004\u3001\u53ef\u4ee5\u83b7\u5f97\u975e\u5e38\u5c0f\u7684\u8c10\u6ce2\u542b\u91cf\uff0c\u7406\u8bba\u4e0a\u8c10\u6ce2\u5206\u5e03\u5728\u8f7d\u6ce2\u4e24\u4fa7\u3002 SPWM\u662fSine Pulse Width ModulaTI<\/u>on\u7684\u82f1\u6587\u7f29\u5199\uff0c\u5373\u6b63\u5f26\u8109\u5bbd\u8c03\u5236\uff0c\u5b83\u6700\u65e9\u6765\u6e90\u4e8e\u901a\u4fe1\u4e2d\u7684\u8c03\u5236\u6280\u672f\uff0c\u5176\u6700\u57fa\u672c\u539f\u7406\u662f\u7528\u4e00\u79cd\u53c2\u8003\u6ce2\uff0c\u5373\u8c03\u5236\u6ce2\uff0c\u53bb\u548c\u4e00\u4e2a\u9891\u7387N\u500d\u4e8e\u5b83\u7684\u4e09\u89d2\u6ce2\u6bd4\u8f83\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u4e00\u7ec4\u5e45\u503c\u76f8\u7b49\uff0c\u800c\u8109\u5bbd\u6309\u7167\u8c03\u5236\u6ce2\u76f8\u4f4d\u3001\u5e45\u503c\u548c\u9891\u7387\u53d8\u5316\u7684\u77e9\u5f62\u6ce2\uff0c\u518d\u7528\u8fd9\u4e2a\u6ce2\u5f62\u53bb\u63a7\u5236\u5f00\u5173\u7ba1\u7684\u5f00\u901a\u4e8e\u5173\u65ad\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u540c\u6837\u6ce2\u5f62\u7684\u9ad8\u538b\u8109\u51b2\u3002\u7531\u4e8e\u53c2\u8003\u6ce2\u901a\u5e38\u662f\u6b63\u5f26\u6ce2\uff0c\u6240\u4ee5\u8fd9\u79cd\u6280\u672f\u901a\u5e38\u88ab\u79f0\u4e3a\u6b63\u5f26\u8109\u5bbd\u8c03\u5236\u6280\u672f\uff0c\u5373SPWM\u6280\u672f\u3002<\/p>\n

\n\t\u3000\u3000\u4e09\u3001\u4e09\u76f8\u7535\u538b\u6e90SPWM\u9006\u53d8\u5668\u7684\u5efa\u6a21\u4e0e\u4eff\u771f<\/strong><\/h2>\n

\n\t\u3000\u30001\u3001\u4e09\u76f8\u7535\u538b\u6e90SPWM\u9006\u53d8\u5668\u7684MATLAB\uff0fSimulink\u5efa\u6a21<\/p>\n

\n\t\u3000\u3000SPWM\u9006\u53d8\u5668EDMATLAB\uff0fSimulink\u4eff\u771f\u6a21\u578b\u5982\u56fe2\u6240\u793a\u3002<\/p>\n

\n\t\u3000\u3000\"\u4e09\u76f8SPWM\u9006\u53d8\u5668\u7684\u8c03\u5236\u5efa\u6a21\u548c\u4eff\u771f\u8be6\u89e3\"<\/p>\n

\n\t\u3000\u30002\u3001\u5176\u4ed6\u53c2\u6570\u8bbe\u7f6e<\/p>\n

\n\t\u3000\u3000\u9006\u53d8\u5668\u7684\u4eff\u771f\u5efa\u6a21\u5982\u56fe2\u6240\u793a\uff0c\u6709\u6548\u503c\u6d4b\u91cf\u6a21\u5757RMS\u8bbe\u7f6e\u5176\u53c2\u6570Fundamental frequency\uff08Hz\uff09\u4e3a50 Hz\uff0c\u7535\u538b\u8bbe\u7f6e\u4e3a220 V\uff0c\u963b\u611f\u6027\u8d1f\u8f7dR=3\uff0cL=0\uff0e01\u4e09\u8d1f\u8f7d\u8bbe\u7f6e\u76f8\u540c\u3002<\/p>\n

\n\t\u3000\u3000\u56db\u3001\u4eff\u771f\u7ed3\u679c<\/strong><\/h2>\n

\n\t\u3000\u3000\u4e0b\u9762\u662f\u8f93\u51fa\u4ea4\u6d41\u9891\u7387\u4e3af=50 Hz\uff0c\u8c03\u5236\u5ea6\u4e3am=0\uff0e7\u65f6\u7684\u66f2\u7ebf\uff0c\u9006\u53d8\u5668\u7535\u538b\u548c\u7535\u6d41\u8f93\u51fa\u6ce2\u5f62\u5982\u56fe3\u548c\u56fe4\u6240\u793a\uff0cA\u76f8\u963b\u611f\u6027\u8d1f\u8f7d\u7684\u7535\u6d41\u6709\u6548\u503c\u5982\u56fe5\u6240\u793a\u3002<\/p>\n

\n\t\u3000\u3000\"\u4e09\u76f8SPWM\u9006\u53d8\u5668\u7684\u8c03\u5236\u5efa\u6a21\u548c\u4eff\u771f\u8be6\u89e3\"<\/p>\n

\n\t\u3000\u3000\"\u4e09\u76f8SPWM\u9006\u53d8\u5668\u7684\u8c03\u5236\u5efa\u6a21\u548c\u4eff\u771f\u8be6\u89e3\"<\/p>\n

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