This article describes the operation principle and circuit scheme of a sort of three-phase combined variable voltage and variable frequency power supply.
提出了一种组合式三相变压变频电源的工作原理和电路结构。
Variable voltage and variable frequency system based on vector control is applied widely in high speed train.
基于矢量控制的变压变频调速在高速列车中得到广泛应用。
Variable voltage and variable frequency system based on vector control is applied widely in high speed train.
基于矢量控制的变压变频调速在高速列车中得到广泛应用。
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