本论文重点研究了谐波电流检测方法。
This paper mainly deal with harmonic current detecting approaches.
该方法也可用于一般非线性负载的谐波电流检测。
The method can be also used for detecting harmonic currents of other non-linear loads.
谐波电流污染已经成为影响供电质量的重要问题。
Harmonic problems have become the important factor that affects the quality of power supply.
提出一种基于自适应噪声对消技术的谐波电流检测方法。
An adaptive harmonic current detecting method based on the adaptive noise canceling technology is presented.
实验结果表明:该系统精度高,动态响应快,谐波电流小。
Experimental results shown that this system is of high precision, quick dynamic response and low current harmonic.
主要脉动转矩是由基波旋转磁通和谐波电流相互作用产生的。
The principal pulsating torques arise from the interaction between the fundamental rotating flux and the harmonic rotor currents.
本论文重点研究了基于不同谐波电流补偿方法的滤波器的设计。
This paper mainly deals with the design of APF based on harmonic current compensating approaches.
该文提出了基于瞬时无功功率理论的四相输电谐波电流检测方法。
This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.
第三章主要讨论中性线谐波电流的检测和补偿控制策略两个方面。
Chapter three mostly discusses the detection of neutral harmonic current and control strategy in two ways.
实验结果表明电枢绕组谐波电流是产生该电机转子损耗的主要原因。
The experimental results are presented to show that the rotor losses are mainly caused by stator harmonic current.
提出一种新型的基于变压器谐波电流补偿的高压大容量有源电力滤波器。
An active power filter based on harmonic current compensation of the transformer is proposed for high voltage large capacity application.
文中首先介绍一种基于自适应噪声对消技术的自适应谐波电流检测方法。
An adaptive harmonic current detecting method based on the adaptive noise canceling technology is researched.
阐述了电气回路中谐波电流产生的原因及其引起中性线和相线过载的危险。
The paper presents the causes of harmonics current and overload hazard of neutral line and phase line by harmonics in electrical line.
所以,如果你采用了大量的变频器,就确实需要查看一下谐波电流的总量。
So, when you use a lot of VFDs, you really should look at the total harmonic content.
电力变流器和其他非线性负荷向电力系统“注入”谐波电流,引起一系列问题。
The power converters and other nonlinear loads "inject" the harmonic current into the power systems and cause a series of problems.
因此,它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
减小这种影响的一个办法是,将由电力电子负载产生的谐波电流或者电磁干扰滤除。
One approach to minimize this impact is to filter the harmonic currents and the electromagnetic interference(EMI) produced by the power electronic loads.
电网中,由非线性和不平衡负载引起的不平衡和谐波电流将造成谐波和不平衡电压。
In an electrical network, unbalanced and harmonic currents generated by nonlinear and unbalanced loads can cause harmonics and unbalanced voltage.
这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。
These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.
它检测各次谐波电流并用可控电流源一一产生相对应的补偿电流注入各个补偿绕组。
It detects each harmonic current and generates the compensating current with the controlled current source, then it injects the current into the compensating winding.
本文分析了目前文献中研究较多的基于多层前馈网络的谐波电流检测方法的基本原理。
This paper analyzes the basic principles of the harmonic detection method based on multilayer feedforward neural networks, which has been studied extensively at present.
本文针对三段桥连续调压方式的6K机车功率因数和谐波电流进行了理论分析和计算。
Regarding 6k locomotive with triple bridge continuous voltage regulation, theoretical analysis and calculation are conducted upon its power factor and harmonic current.
有源功率因数校正满足EMC的谐波电流的排放限制,以及满足电压波动和闪变的限制。
Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
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。
The single-phase harmonic current components can also be detected by the method effectively through constructing a dummy symmetry three-phase power system.
通过计算,得到了未投入功率因数补偿装置时6K机车功率因数和谐波电流的分布规律。
Calculation results uncover the distribution order of power factor and harmonic current for 6k locomotive with the power factor compensator switched off.
总之,无功功率的补偿和谐波电流的抑制已经成为港口电气系统设计中最重要的问题之一。
In a word, reactive power compensation and harmonic current restrain have become one of the most important problems.
对谐波电流进行准确的跟踪和预测,然后根据预测值进行补偿是解决这一问题的有效方法。
It is considered as an effective way to solve the problem by compensating the harmonic currents based on the tracing and predicting of the harmonic currents.
该控制方法能改善系统电能质量的调节,有效地补偿负荷侧谐波电流、无功功率和负序电流。
This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
基于自适应噪声抵消方法和人工神经网络(ANN)理论,提出一种谐波电流检测分析方法。
Based on self adaptive noise countervailing method and artificial neural network (ANN) theory, an approach for harmonics detection and analysis is presented.
基于自适应噪声抵消方法和人工神经网络(ANN)理论,提出一种谐波电流检测分析方法。
Based on self adaptive noise countervailing method and artificial neural network (ANN) theory, an approach for harmonics detection and analysis is presented.
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