描述了一种在三相波形高度畸变的系统中可正确测量基波功率的方法。

A correct method for measuring the fundament component of power in a high distorted three phases system is described, Its cost is rather low.

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本文从理论和实践方面探讨了矿用三相异步电机功率测量装置的设计及研制原理。

In this paper, principle of design and study of three-phase induction motor power measuring device is discussed in theory and practice.

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在此基础上研究了电能质量监测理论，详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。

Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.

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