谐波源

PCC处谐波源分离技术的研究

The Study of Harmonic Source Separation at Point of Common Coupling

从而说明对电流型或电压型谐波源进行谐波补偿，应该分别使用并联型或串联型APF。

Therefore , it is demonstrated that the shunt or series APF should be used for compensating the current or the voltage harmonic source .

仿真结果表明基于功率平衡原理的串联型APF对电压型谐波源具有较好的补偿效果，证明了理论分析的正确性。

The simulation results show the excellent compensation effect and confirm the validity of theoretical analysis .

本文推导了适合于多谐波源谐波潮流计算的HVDC换流器谐波模型。

The harmonic model of HVDC converter suitable for the computation of harmonic power flow with multi-harmonic sources is worked out .

介绍了配电网中谐波源探测的一种新方法&临界阻抗法（CIM）。

In this paper , a new method for detecting harmonic sources in distribution syste ms-critical impedance method ( CIM ) is proposed .

单馈线谐波源在PCC点产生的谐波电压可用其自身发射的谐波电流与对应阻抗的乘积表示。

The harmonic voltage generated by single harmonic feeder can be expressed with the product of its harmonic current and corresponding impedance .

通过对电力参数、电力系统谐波源特征和现有电力参数测量技术的分析，建立了基于FFT的电力参数测量模型和谐波测量模型；

First electric power parameters , harmonic sources and modern measurement technology are analyzed , then the electric power parameters and harmonic measurement model based on FFT have been founded ;

在实际应用中，串联型APF既能对单个大容量电压型谐波源负载进行补偿，也能对多个小容量电压型谐波源负载进行集中补偿。

In a practical circuit , the series APF can compensate a high capacity voltage harmonic source load or several low capacity voltage harmonic source loads .

并联型有源电力滤波器和串联型有源电力滤波器是APF的两种主要电路结构，其中串联型APF对治理电压型谐波源具有明显的优势。

Shunt APF and series APF are two main circuit configurations . And the series APF has the obvious advantage to the voltage type harmonic source .

在Simulink平台下搭建了电铁牵引负荷的谐波源模型，并对系统接入点处的电流进行了谐波分析。

Electric locomotive load harmonic source model is built in the platform of Matlab / Simulink . Then do the harmonic analysis on the current at system junction .

其中单相和三相整流桥是电力系统中主要的谐波源，而直流侧串联型APF主要针对这种谐波源进行治理。

The single-phase rectifier bridge and three-phase rectifier bridge are main harmonic sources , the dc side series active power filter can eliminates this kind of harmonic .

为了抑制电压型谐波源，利用电感与电容的并联谐振原理，采用变压器和交流电容设计了新的谐波抑制装置&新型LC并联谐振型滤波器。

For suppressing the voltage harmonic source , a new harmonic suppression device with transformer and AC capacitor is designed , based on the theory of shunt-resonance of inductance and capacitance .

电弧炉正常工作时产生大量高次谐波，APF即利用可控的功率半导体器件向电网注入与谐波源电流幅值相等、相位相反的电流，使电源的总谐波电流为零，达到实时补偿谐波电流的目的。

A large number of EAF generated high-order harmonic , APF inject to grid with amplitude equal and the opposite phase current harmonic the power with controllable power semiconductor devices .

在探讨并联型和串联型APF工作原理的基础上，研究了它们对不同谐波源的补偿特性。

On the basis of discussing the operation principles of the shunt and the series active power filters , their compensation characteristics to different types of harmonic sources are investigated .

对于谐波源模型，各次谐波电流的幅值和相角与各次谐波电压的幅值和相角以及负荷特征参数的非线性映射关系通过SVM建立起来。

In harmonics load modeling , SVM is utilized to construct nonlinear mapping of magnitude and phase angle of every order harmonics current to magnitude and phase angle of every order harmonics voltage and harmonics load parameter .

对高压大容量谐波源国内外目前主要是采用LC谐振型无源滤波器（PassivePowerFilter，PF），这些滤波器还兼有无功和负序补偿功能。

Passive Power Filter ( PF ) is always applied in the high voltage and large capacity conditions . The principle is LC resonance . Not only can be used for harmonic filtering , PF also can work for reactive power compensation .

目前，对高压大容量谐波源国内外主要是采用无源滤波器（PassiveFilter，PF），但其滤波效果受电力系统阻抗的影响较大，且只能消除特定次数的谐波。

At present , passive filter ( PF ) is always applied in the high voltage and large capacity conditions . But PF can not adjust to the changeful order harmonics and the filtering effect is easy to be influenced by the power system reactance .

其研究成果主要集中于区分系统侧和用户侧在公共连接点（PCC）处的谐波影响，对单个谐波源的谐波发射水平进行评估。

The research findings mainly focused on distinguishing the harmonic impacts of the system side and user side on the Point of Common Coupling ( PCC ), and evaluating the harmonic emission level of single harmonic source .

文中分析了应用在HVDC直流侧的有源直流滤波器的工作原理，从跟踪控制的角度出发，选取谐波源电流作为检测对象，把补偿电流作为反馈信号，构建了基于近似逆系统控制的复合控制；

This paper analyzes the principle of the active DC filter ( ADF ) applied in the HVDC system . A composite control strategy , in which the harmonic source current and the compensation current are respectively measured as the compensation object and the feed back signal , is proposed .

论述了在公用电网（1～35kV）中，为满足电力部门对谐波源负荷用户的管理规定而采用的谐波源负荷谐波输出限值的一种计算方法。

An assessment approach for the harmonic emission limits of distorting loads in MV system ( 1 ~ 35 ? kV ) is described to meet the requirement for the power facility on power quality management .

第二章用Etap软件对船舶电网的谐波进行了分析，并建立了谐波源模型，提出了对其进行谐波抑制的方案；

In the second chapter harmonics in marine electric network are analyzed in the Etap software , the model of harmonic source is established , and then the plan on the harmonic suppression to it is proposed .

通过比较现有高压直流系统谐波分析方法，提出了一种适用于交直流混联输电系统多谐波源的新方法&调制迭代谐波分析法（MIHA）。

Based on the comparison of the current analysis methods of harmonics in high voltage direct current ( HVDC ) transmission system , a new method named modulation and iterative harmonic analysis ( MIHA ) method for multi-harmonic sources system is proposed .

WZ-5发动机改装WJ5A-1发动机的高温涡轮，在工程上单台发动机总寿命已安全运行达10000h，现已证明：结构设计及改进是成功的；二次母线接有谐波源时谐波电流危害预测估算的分析

A WZ 5 turboshaft engine has been modified with a rebuilt high temperature turbine as a ground power plant . Analyse of Forecasting and Appraising the Harmonic Current Harm if the Secondary Bus Has Harmonic Source in the Mine Ground Power Substation

多种谐波源环境中高通滤波器的应用

Application of High-Pass Filter in the Conditions of Multiple Harmonic Sources

基于广义生长-剪枝径向基函数神经网络的谐波源建模

Generalized growing and pruning RBF neural network based harmonic source modeling

基于负荷时域等值模型非线性度的谐波源定位

Harmonic Source Location Based on Non-linearity Index of Time-Domain Equivalent Model

配电网中谐波源识别方法比较

Comparison on Identifying Methods of Harmonic Source in Power Distribution Network

电力系统谐波源定位方法述评

A survey on location method for harmonic sources in power system

首先，对电力机车进行了谐波分析，建立了电铁牵引负荷的谐波源模型。

The mathematic model of electrical railway traction load is developed .

电气化铁路牵引负荷的谐波源模型研究

The Research on Harmonic Source Model of Electrified Railway Traction Load