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单相逆变电路中用到两个电感和常用的逆变电路中一个电感相比,有什么好处?



以上两个单相逆变电路中,第一张图中就用到一个电感L3,后面的电路是太阳能逆变器开发板中的单相逆变电路,它用到的是两个电感L1和L2,它的这种接法和使用相比以第一张电路的有什么好处?