This dissertation is mainly devoted to the analysis of circulating current's characteristics and the control technologies of parallel inverter system without output isolating transformers.
本文主要致力于无输出隔离变压器的逆变器并联系统环流特性及其并联控制技术的研究。
For a parallel inverter system without output isolating transformers, discrepancy in DC biases contained in the output voltage of each module can cause large DC circulating current among inverters.
对于无输出隔离变压器的逆变器并联系统，各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
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