載波20K,
雙極性調(diào)制,
空載(303V)和帶載(243V)波形差異很大。電感2個(gè)1mH。電容，3.3UF。
DSP做的正弦波電源，波形畸變，請(qǐng)教指正？
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@
先檢查SPWM波形對(duì)不？然后調(diào)小LC參數(shù)試試。。
還是不行。
開(kāi)環(huán)，沒(méi)有加交流電壓反饋。
unsigned int v[200]=
{1,4,7,10,13,16,19,22,25,28,31,34,37,39,42,45,48,51,54,57,
60,62,65,68,71,74,76,79,82,84,87,90,92,95,97,100,103,105,108,110,
112,115,117,119,122,124,126,128,131,133,135,137,139,141,143,145,147,149,151,152,
154,156,157,159,161,162,164,165,167,168,169,171,172,173,174,176,177,178,179,180,
181,182,182,183,184,185,185,186,186,187,187,188,188,189,189,189,189,189,189,189,
189,189,189,189,189,189,189,188,188,187,187,186,186,185,185,184,183,182,182,181,
180,179,178,177,176,174,173,172,171,169,168,167,165,164,162,161,159,157,156,154,
152,151,149,147,145,143,141,139,137,135,133,131,128,126,124,122,119,117,115,112,
110,108,105,103,100,97,95,92,90,87,84,82,79,76,74,71,68,65,62,60,
57,54,51,48,45,42,39,37,34,31,28,25,22,19,16,13,10,7,4,1};
以上是SPWM表。20K時(shí)每個(gè)脈沖50US，每個(gè)脈沖可以分為500份,即0.1us*500=50US.
是不是我的表里數(shù)據(jù)不對(duì)，有高手指教一下！
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還是不行。開(kāi)環(huán)，沒(méi)有加交流電壓反饋。unsignedintv[200]={1,4,7,10,13,16,19,22,25,28,31,34,37,39,42,45,48,51,54,57,60,62,65,68,71,74,76,79,82,84,87,90,92,95,97,100,103,105,108,110,112,115,117,119,122,124,126,128,131,133,135,137,139,141,143,145,147,149,151,152,154,156,157,159,161,162,164,165,167,168,169,171,172,173,174,176,177,178,179,180,181,182,182,183,184,185,185,186,186,187,187,188,188,189,189,189,189,189,189,189,189,189,189,189,189,189,189,188,188,187,187,186,186,185,185,184,183,182,182,181,180,179,178,177,176,174,173,172,171,169,168,167,165,164,162,161,159,157,156,154,152,151,149,147,145,143,141,139,137,135,133,131,128,126,124,122,119,117,115,112,110,108,105,103,100,97,95,92,90,87,84,82,79,76,74,71,68,65,62,60,57,54,51,48,45,42,39,37,34,31,28,25,22,19,16,13,10,7,4,1}; 以上是SPWM表。20K時(shí)每個(gè)脈沖50US，每個(gè)脈沖可以分為500份,即0.1us*500=50US.是不是我的表里數(shù)據(jù)不對(duì)，有高手指教一下！
軟件我不懂，等高手
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