This paper simply described several algorithms of reactive power, and investigated reactive power theory of the non-sinusoidal electric circuit and its algorithm of measurement.
简述了几种常用的无功功率测量算法，对非正弦电路无功功率理论及其无功功率测量算法进行了研究。
Reactive power measurement of non-sinusoidal circuit is the hot-spot research in Electric power System.
非正弦电路的无功测量是当前电力测量研究的热点。
Then the definitions of average and instantaneous reactive power based on Hilbert transforrnation for non-sinusoidal circuit are presented.
非正弦电路无功功率及瞬时无功功率尚无统一的定义。
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