The simulation demonstrates that the load current feed-forward term can be removed to cut the cost because of the fast DC-link voltage regulation.
从模拟结果可知，由于电压外回路的快速直流链稳压控制，使得负载电流回授电路可予以去除来降低成本。
The mechanism of harmonic increments caused by power device forward voltage drop and DC-link capacity voltage variety are analyzed in detail, and the compensation algorithm are proposed.
对由励磁电源管压降所产生的谐波和变频器直流电容电压波动的问题进行了详细的分析并提出了改进方法。
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