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.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
仿真结果表明，电机转速比是影响交交变频轧机系统网侧基波功率因数与电流总畸变率的关键原因。
The simulation results show that the speed ratio of the motor mostly affects the total harmonic distortion of the current and the displacement power factor.
任何一种非线性负载所消耗的功率都可以分为两部分，一部分为从电网中吸取的基波功率，另一部分则是负的谐波功率。
The power which any non-linear loads consumes can be divided into two sides, One is base power absorbed in power and the other is minus harmonics power.
TBC能补偿基波无功功率，平衡连接到系统的负载。
The TBC compensates the fundamental reactive power and balances the load connected to the system.
IGBT逆变器的作用是提供基波电压，并补偿无功功率，MOSFET逆变器则实现消除谐波电流的功能。
The function of the IGBT inverter is to support utility fundamental voltage and to compensate the reactive power. The MOSFET inverter fulfills the function of harmonic current compensation.
导出了基波电磁功率、稳定谐波电磁功率及脉动谐波电磁功率的计算公式。
Then, the calculation formulas of the fundamental and steady harmonic as well as pulse harmonic electromagnetic powers are derived.
研究了电解铝厂大功率可控整流系统功率因数低下的原因，分析了这种整流机组网侧谐波电流和基波感性电流。
The reason is investigated that the power factor large power controlled rectifier's of the aluminum company is low .
电流基波分量和无功功率的实时检测是航空电源有源滤波器的关键技术之一。
The fundamental current's detection which can detect the fundamental current and reactive power is one of the key technologies in Active Power Filter(APF).
在小波分析的基础上，结合瞬时无功功率理论，提出了一种谐波和基波无功检测的改进方法。
By using the instantaneous reactive power theory, a kind of improved method in detecting harmonic and fundamental reactive power based on wavelet analysis is (proposed.)
在小波分析的基础上，结合瞬时无功功率理论，提出了一种谐波和基波无功检测的改进方法。
By using the instantaneous reactive power theory, a kind of improved method in detecting harmonic and fundamental reactive power based on wavelet analysis is (proposed.)
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