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。
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.
取样物理量为无功功率，具有谐波测量及保护功能。
Sampling physical parameter is inactive power which has functions of harmonic measurement and protection.
本文研究和给出电气量测量交流采样的算法，着重研究三相不平衡及波形畸变工况下无功功率的测量算法。
This paper introduces the AC sampling arithmetic and emphasizes the study of measurement arithmetic under the unbalanced and distorted condition.
电力系统中常需测量电压、电流、功率因数、有功功率、无功功率和视在功率等参数。
In an electric power system, the following parameters often need measuring: voltage, current, power factor, power, reactive power and apparent power.
基于ADE7758开发的功能更完善的电能计量校验仪还能实现无功功率、视在功率和频率的测量。
The enganced one based on ADE7758 can measure reactive power, visual power and frequency yet.
基于小波功率分频带算法的原理，采用IIR小波多相滤波器组对西安化工厂的一组实际数据进行有效值、功率、无功功率的测量。
IIR polyphase wavelet-based RMS, real power and reactive measurement algorithm is used to measure group of actual data from Xi 'an Chemical Plant.
基于小波功率分频带算法的原理，采用IIR小波多相滤波器组对西安化工厂的一组实际数据进行有效值、功率、无功功率的测量。
IIR polyphase wavelet-based RMS, real power and reactive measurement algorithm is used to measure group of actual data from Xi 'an Chemical Plant.
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