文中详细分析了该变换器的SPWM控制策略，并且介绍了一种负载电流前馈电路。
In this paper, it is detailed to analyze the SPWM controlling strategy and introduce a kind of output current feed-forward circuit.
从而，一次双改正发生：前馈作为依次，装入修正的生产的一个改变的反馈电路返回。
Consequently, a dual correction occurs: the feed forward returns as an altered feedback loop which, in turn, feeds into a revised output.
从而，一次双改正发生：前馈作为依次，装入修正的生产的一个改变的反馈电路返回。
Consequently, a dual correction occurs: the feed forward returns as an altered feedback loop which, in turn, feeds into a revised output.
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