500W修正方波逆變器制作過(guò)程
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圖中C1和R3一定不能少,否則當(dāng)電路功率輸出加大時(shí)尖峰電壓的影響,穩(wěn)壓就不準(zhǔn)哦,還有R1的阻值不能太小否則就得不到平緩的峰值電壓。以上整個(gè)電路我是用3525里的運(yùn)放實(shí)現(xiàn)的,實(shí)驗(yàn)板電路如下圖。
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上圖用兩個(gè)2104做自舉驅(qū)動(dòng)的的H橋,具體電路就不在贅述那,10個(gè)2W電阻為電流采樣電阻,后面的過(guò)流保護(hù)會(huì)用到。
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5個(gè)100w燈泡
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帶500w燈泡的輸出波形
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