三相三线制

该公式既适合于三相三线制系统，也适合于三相四线制系统。

It is suitable for both three-phase three-wire system and three-phase four-wire system .

将单相变流器直流侧储能元件的参数设计思想应用在三相三线制系统中，确定了直流侧电压值和电容值。

The parameter design idea of the DC side energy storage component in the single-phase PWM converter is applied into three-phase three-wire system , and the values of the voltage and capacitance at the DC side are determined .

针对三相三线制供电系统设计了一采用DSP数字控制的并联有源滤波器。

A digitally controlled shunt active power filter based on DSP is designed for three-phase three-wire system .

基于单周控制的三电平三相三线制APF

Three-level Three-phase Three-wire Active Power Filter with One-cycle Control

该结构可适用于单相DVR，三相三线制DVR。

The topology structure is also suit for single-phase and three-phase three - wire DVR .

本文对三相三线制带基波电流旁路通道的串联混合有源滤波器提出了基于双dq变换的控制方法。

Dedicated to three-phase three-line system and series hybrid APF with fundamental bypass channel , control scheme based on dual d-q transformation is presented in this dissertation .

实验结果证明，基于FBD法的检测方法算法简单，可以应用于不平衡三相三线制供电系统；

The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems .

本文所做的工作包括如下几点：（1）基于切换系统理论通过对APF主电路的分析，建立了并联型三相三线制APF的切换动态模型。

The works done in this paper are shown as follows . ( 1 ) The switched dynamic model of shut three-phase three wire APF system is established by analyzing the main circuit of APF based on switched system theory .

为了提高不平衡三相三线制供电系统的电能质量，先将基于FBD法的补偿电流检测方法进行推广，使其能够检测出三相电路中的谐波、无功及负序电流；

The power quality of three-phase , three-wire power systems is improved using a detection method based on the FBD method to measure the reactive power , harmonics and negative-sequence currents .

三相三线制混合型有源电力滤波器的应用实例

Application Example of Three Phase Three Wire Hybrid Active Power Filter

给出了三相三线制有源电力滤波器仿真和实验结果，结果证明了该文方法的正确性和可行性。

Simulation and experiment results show its validity and feasibility .

并联三相三线制有源电力滤波器的仿真与设计

Simulation and Design of Shunt Active Power Filter in Three-Phase Three-Wire System

三相三线制电路中点电位不为零现象分析

Analysis of Non-zero Neutral Voltage of Linear Three-phase System Load in Y Connection

三相三线制系统中零序谐波对谐波检测的影响

Effect of neutral harmonic current on detection of harmonic currents in three-phase three-wire systems

基于混合型逻辑数字控制的三相三线制并联型有源电力滤波器的研究

Research on A Three-phase Three-wired Shunt Active Filters Based on Mixed Analogical / Digital Control

提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。

A new detection method for random harmonic current which was suitable for3-wire and3-phase unbalance system was put forward .

仿真和实验证实了该方法对不对称三相三线制非线性负载谐波抑制的有效性。

The harmonic suppression validity of the scheme for the very system with nonlinear loads is verified by simulation and experiment .

本文探讨了三相三线制有功电能表在计量系统中的接线方式以及相量分析，并制作出了电能表错误接线的处理方法表、错误接线的计量换算系数。

The wiring modes of the three-phase and three wire watt-hour meter and the phasor analysis are discussed in this paper .

适用于三相三线制供电设备。可根据用户需求定制军用级滤波器。

Available for three phases , three lines series power supply equipments , designed for military use according to customers ' demand .

一种低耐压中性线谐波治理电路原理及实现三相三线制系统中零序谐波对谐波检测的影响

CONFIGURATION AND REALIZATION OF A NEUTRAL HARMONIC CURRENT CONDITIONER Effect of neutral harmonic current on detection of harmonic currents in three-phase three-wire systems

对于三相三线制系统的两种控制策略进行了研究：基于检测负载电流和基于检测直流侧电容电压的控制策略。

For three-phase three-wire systems two control strategies are researched , strategies based on load current detection and on DC capacitances ' voltage detection .

接着在并联型三相三线制有源电力滤波器系统数学模型的基础上，对其谐波指令的提取和补偿指令的产生做了进一步的论述。

Then in the shunt three-phase three-wire APF mathematical model foundation , does a further introduction to the extraction of harmonic instruction and generation of compensation instruction .

该滤波器具有较高的性价比，高度智能化，可以自适应地工作于三相三线制及三相四线制系统。

This filter has a high cost performance and highly intelligent , can adaptive work in the system of three phase three line and three phase four line .

它是一种测量技术和计算机技术相结合的测量仪器，适用于三相三线制功率、功率因数和效率的检测。

It is a measuring instrument that based on measurement technology and computer technology , which is suitable for three-phase three-wire power , power factor and efficiency of measurement .

文中给出了便于由三相三线制不对称系统中线电压、线电流的实测值查取其正、负序分量的曲线图表。

A graphical chart for rapid finding the positive and negative sequence components from the observed line voltage and current values of an unbalanced threephase threeline system is presented .

而其中并联型有源电力滤波器过去和将来都将占据重要地位。本文首先给出了三相三线制并联型有源电力滤波器的系统构成以及工作原理。

The shunt active power filter plays the most important role in the past or future . Firstly , this thesis has presented the system structure and operation principles of three-phase three-wire parallel APF .

以三相三线制电网中电流为研究对象，本文着重研究了有源电力滤波器电流检测方法，并在实际的实验系统开发方面取得了一定成效。

This paper focuses on the current of the three-phase and three-line power supply system , aims at the study on the current detecting of active power filter and achieves some satisfied results in the experimental system .

针对三相三线制电力系统的负序和无功的综合补偿问题，介绍了电网电压、电流的检测方法和静止无功发生装置的控制方法。

Considering at the problem of reactive and fundamental negative sequence power compensation in the electric system , this paper introduces the method of measuring the voltage and current and the method of controlling the static reactive compensator .

编制了能够应用于发电厂、变电站等任一进线、出线，以及系统间联络线的三相三线制系统的有功功率、无功功率的测量程序，并对程序可行性进行了验证。

A program is worked out for power measurement , which can be applied in power plant , substation and etc , and the power can be calculated of any three-phase three-line system in any enter-line , out-line and in tie-line among power system .

随着大量单相非线性负载的使用，三相四线制系统谐波问题越来越严重。由于零序分量的存在，三相四线制系统谐波治理不同于三相三线制系统，很多工作尚处于起步阶段。

Due to large number of single phase nonlinear loads being put into use , harmonic problem in three-phase four-wire system has become more and more serious .