This paper mainly deal with harmonic current detecting approaches.
本论文重点研究了谐波电流检测方法。
The method also can be used for detecting the harmonic current under the balanced grid.
该方法也适用于电网平衡时的谐波电流检测。
Then, the principle of shielding harmonic current in the transformer is briefly analyzed.
简要分析了新型换流变压器谐波屏蔽原理。
This paper mainly deals with the design of APF based on harmonic current compensating approaches.
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。
Chapter three mostly discusses the detection of neutral harmonic current and control strategy in two ways.
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。
An adaptive harmonic current detecting method based on the adaptive noise canceling technology is presented.
提出一种基于自适应噪声对消技术的谐波电流检测方法。
Based on the method of moment, a new method to analyze the grounding grids fed by harmonic current is presented.
基于矩量法，提出了一种新的接地网频域性能分析的数值计算方法。
The experiment results indicate the system has the characteristics of high power factor and low harmonic current.
实验结果表明，该系统具有输出功率因数高，对电网谐波污染小等优点。
The experimental results are presented to show that the rotor losses are mainly caused by stator harmonic current.
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。
In a word, reactive power compensation and harmonic current restrain have become one of the most important problems.
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。
But rectifier type power electronic components may produce harmonic current and make contact grid's current distorting.
用于整流的电力电子器件会产生谐波，造成接触网电流畸变。
This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.
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。
It is applied to active control of the entire compensation arc-suppression harmonic current detection and gets good results.
提出了一种新的基于模糊控制理论的变步长自适应算法，将其应用于有源全补偿消弧控制的谐波电流检测中，得到很好的效果。
This paper introduces the pulse wide modulation (PWM) based on minimum root-mean-square value of harmonic current of inverter.
介绍了逆变器谐波电流均方根值最小的脉宽调制(PWM)。
Based on adaptive noise canceling principle, a realtime approach of detecting harmonic current by artificial neuron is proposed.
基于自适应噪声干扰对消原理，提出了用人工神经网络进行实时谐波检测的方法。
The power converters and other nonlinear loads "inject" the harmonic current into the power systems and cause a series of problems.
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。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
SVC投入运行后，对非线性负荷产生的谐波电流，电压波动及闪变等引起供电电能质量的问题起到了很好的治理效果。
Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
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。
An active power filter based on harmonic current compensation of the transformer is proposed for high voltage large capacity application.
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。
When the passive filter is applied in harmonic suppression, the harmonic current may flow through the circuit breaker and filter branches.
采用无源滤波器治理谐波时，谐波电流会在母联断路器和各支路间流动。
In this paper, a simple and practical instantaneous harmonic current detecting method based on the phase distinguishing technology is introduced.
介绍了一种简单实用的基于鉴相原理的瞬时谐波电流检测方法。
The distribution of the harmonic current of electric locomotives in double traction feeders, which are shunted at their ends, is analyzed in the paper.
本文分析了电力机车谐波电流在一般复线末端并联供电牵引网中的分布。
This paper discusses and analyzes on the effects and harms of the harmonic magnetic field and harmonic current on the electromotor in electric network.
探讨与分析了电网谐波磁场及谐波电流对电动机的影响与危害。
Calculation results uncover the distribution order of power factor and harmonic current for 6k locomotive with the power factor compensator switched off.
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。
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。
Describes the harmonic current in the factory power supply system and how to calculate it, and on top of that, analyses active filtration of electric power.
简要介绍了工厂供电系统中的谐波电流及其计算方法，并在此基础上分析了电力有源滤波器的原理及谐波电流的抑制。
In this paper, according to the neuron adaptive detecting approach of harmonic current for APF, the realization scheme of an analog circuit is first proposed.
通过对有源电力滤波器神经元自适应谐波电流检测方法的探讨，提出了一种模拟电路实现方案。
A control method of AC side harmonic current detection, based on the keystone analyzing of the parallel hybrid power filter, has been put forward in the study.
在对混合电力滤波器的原理分析基础上，提出了检测交流侧谐波电流的控制方法。
In order to improve the power quality, Active power filter is used to compensate harmonic current of nonlinear load to decrease harmonic pollution of the grid.
为了提高电能质量，通常采用有源电力滤波器来补偿非线性负载的谐波电流，以减小谐波对电网的污染。
The system is used in a combined power filter prototype, and experimental results verify the feasibility and correctness of the harmonic current detecting system.
将其应用于一台综合电力滤波器的样机，实验结果验证了综合电力滤波器谐波检测系统的可行性和正确性。
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