In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法,即正弦波化控制和瞬时无功功率的控制方法。
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
The single-phase harmonic current components can also be detected by the method effectively through constructing a dummy symmetry three-phase power system.
通过构造一个虚拟的三相对称系统,该检测方法可以推广到单相电力系统的谐波电流检测。
Using hardware digital synthesis method, the signal source generates three phase sinusoidal voltage and current signal.
该信号源中采用硬件数字合成的办法产生三相电压与三相电流信号正弦波。
This paper states a detecting method for defect of three-phase current motor and it also introduces the experimental analysis result and practice utilization condition of this detecting method.
本文阐述了对三相交流电动机故障的一种检测方法,并介绍了该检测方法的实验分析及现场应用情况。
Based on the branch-current-based current method, this paper presented a three-phase state estimation method for Distribution where the load current is considered as the state variable.
在基于支路电流的三相配电网状态估计的基础上提出了以负荷电流为状态变量的配电网的三相状态估计方法。
It provides a method for the untouched switch Control for three - phase alternating current motor.
为大功率三相交流电机的无触点控制提供一种方法。
Discussing a kind of power topological solution and its current control method of the three-phase energy feedback type electronic power load used in aero-generator testing.
论述了一种用于航空发电机测试用的三相馈能式电子负载功率拓扑方案及其电流控制策略。
Vsually we measure linking groups of three phase transformer in alternating current method.
三相变压器联接组的测定通常采用交流法。
This paper presents a fault diagnosis method for neutral grounding three-phase bridge type solid-state fault current limiter (SSFCL).
探讨了中性点接地三相桥式固态限流器桥路故障诊断方法。
The key points of the iec method for calculating the short circuit current and its heat effect of a three-phase current system are described and elucidated specifically by examples.
介绍iec三相交流系统短路电流计算方法的重点和短路电流热效应计算,并用例题介绍其具体使用情况。
Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.
实验结果表明,该装置可对三相四线制系统中的谐波、负序、零序等电流分量进行补偿。
This article deals with the Problem reqarding the boundary-Value Solution of the current field in three-Phase water resistors by the Subarea method.
本文利用子面元法求解三相电阻中电流场的边值问题。
First of all, current detection method for three-phase four-wire system is researched.
首先,本文针对三相四线制的电流检测方法进行了研究。
The experimental results indicate that this method can be used to detect the reactive power and harmonic current exactly in three-phase four-wire system.
通过试验验证,该检测方法能够很好的实现对三相四线制系统中的无功和谐波电流的检测。
The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.
三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。
Therefore, it is advisable to take the following method for grid three-phase short-circuit current calculation.
为此,建议采取以下的方法进行电网三相短路电流计算。
Current distribution in three-phase cylindrical buses is calculated through simulation current method and magnetic field surrounding the buses can be calculated too after that.
为了研究建筑物配电房母线产生的工频磁场,根据配电房大电流母线集肤效应显著的特点,提出了采用模拟电流法对三相母线的矢量磁位进行计算。
Current distribution in three-phase cylindrical buses is calculated through simulation current method and magnetic field surrounding the buses can be calculated too after that.
为了研究建筑物配电房母线产生的工频磁场,根据配电房大电流母线集肤效应显著的特点,提出了采用模拟电流法对三相母线的矢量磁位进行计算。
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