电力电子装置

用微机自动诊断电力电子装置的故障

An Automatic Failure Diagnosis System for Power Electronic Equipment

由于大量的电力电子装置及非线性负荷设备在电力系统中广泛的应用，使电能质量（powerquality）问题日益突出。

Since massive power electronic equipment and Non-linear Load are widely applied in power system , problems of power quality is becoming more and more serious .

混合仿真算法为研究各种FACTS电力电子装置及其控制系统的动态性能提供了一种实用的工具。

The hybrid algorithm proposed in this paper can provide a useful tool for studying dynamic performance of FACTS devices .

提出了一种利用小波包分析电力电子装置的电磁干扰（EMI）的方法。

This paper proposes a wavelet packet technique to analyze EMI in power electronic devices .

近年来，随着开关电源、UPS等电力电子装置的大量和广泛应用，电网的谐波污染问题变得日益严重。

In recent years , extensive use of power electronic devices has resulted in serious harmonic pollution in the grid .

PWM逆变器同整流器一样是电力电子装置的重要组成部分，在各种电能变换中，逆变器有着非常重要的作用。

The same to the rectifier , inverter which is one of important electronic devices has a very important role in power converters .

然后利用Matlab对电力电子装置故障暂态信号进行消噪处理，比较各种消噪方法的优缺点，并结合理论分析和模拟结果讨论了阈值的选取方法和原则。

And Matlab is used to de-noise for transient signals of power electronics faults , comparing the effects and advantages of the methods , and discusses the principle and measure of threshold selection .

高频开关电源的传导性电磁干扰EMI（Electromagneticinterference）是电力电子装置应用的主要障碍之一，EMI电源滤波器能有效抑制其干扰传导。

Conductive EMI ( ElectroMagnetic Interference ) suffered from high frequency switching powersupply is one of the main problems of electric devices , while the EMI filter can restrain the interference effectively .

优越的性能使IGBT成为大中电力电子装置首选的功率器件，驱动与保护电路是电路设计中的难点和关键。

IGBT 's excellent performance enables it an important role in the high power electronics field . Drive and protection circuits are the special difficulty and crux .

IGBT等大容量、高频器件的出现，带动了电力电子装置向大容量化和高频化的发展趋势。

The appearance of big capacitance and high frequency power switches such as IGBT is driving power electrical device into a new uptrend towards the higher power & frequency .

恒压恒频正弦脉宽调制（CVCFSPWM）逆变器是应用广泛的一种电力电子装置。

Constant voltage constant frequency sine pulse width modulation ( CVCF SPWM ) inverter is widely used in Power Electronic Systems .

为了保证电力电子装置具有良好的电磁兼容性，在产品的设计初期就应当进行EMC设计，这时所花费的代价最低。

In order to ensure good EMC performance of power electronic equipment , EMC design should be carried out in the early stage of development , since this brings lowest cost .

为了扩大电力电子装置的输出容量，可以对IGBT器件或者电力电子线路进行并联。

To enlarge output power of power electronic system based on Insulated Gate Bipolar Transistor ( IGBT ), a number of IGBT modules or power electronic circuits can be paralleled .

对于现代电力电子装置的建模，本文提出了一种包含有TCR支路，SVC控制回路和滤波器支路的实用静止无功补偿器（SVC）的动态相量模型。

As for the electronic device , the dissertation developed a new model of static var compensator ( SVC ), which includes TCR branch , SVC control circuit and filter branch .

在大功率电力电子装置中的另一个重要的问题就是大功率器件的工作频率较低，难以应用PWM等优秀的调制技术。

Another important obstacle that high power electronic equipment must face is that the large power device can 't work at high frequency , so it 's difficult to use good modulation technique such as Pulse Width Modulation ( PWM ) .

本文分析了电力电子装置产生电磁干扰的三个要素，提出了针对性的EMC抑制措施，从系统接地、隔离、合理的结构布局和布线、屏蔽、滤波方面进行了EMC设计。

Three factors of generating EMI in power electronic equipment are analyzed , then the techniques which suppress EMI are given , such as grounding , isolation , optimal physical layout and wiring , shielding and filtering .

该平台采用TI公司的32位浮点DSP－TMS320VC33为核心，以满足电力电子装置控制高精度、高实时性的要求；

A universal digital development platform for power electronic control system has been implemented . DSP ( TMS320VC33 ), which can meet the requirement of high precision and real time , was used in the platform .

基于CPS-SPWM技术的级联型多电平变流器结合了二者的优势，在大功率电力电子装置中有良好的应用前景。

The cascade multilevel converter based on CPS-SPWM technique has both of the advantages , so it has attractive perspective in large power application .

功率因数校正特别是有源功率因数校正（APFC）是提高电力电子装置的功率因数、降低谐波危害的有效方法之一。

Power Factor Correction in particular active power factor correction ( APFC ) is one of the effective ways to improve the power electronic devices power factor and reduce the harm of harmonics .

利用新的电力电子装置技术，能够实现EMALS要求的高可控性、高效率、高性能。

Utilizing the new electric and electronic technology , high controllability , efficiency and performance that EMALS requires can be achieved .

AC/DC变换器是电力电子装置中最为常用的一种变换器，为了减小其对电网的污染、提高输入功率因数，人们正在广泛使用功率因数校正（PFC）技术。

AC / DC converter is the most widely used converter in the power system . In order to reduce the harmonic pollution of power supply and improve the power factor , people are using more and more power factor correction technology .

本文在讨论如何建立电力电子装置的传导干扰传播通道的电路模型的基础上，借助ORCADPSPICE软件对一开关电源进行了灵敏度分析。

This paper first discusses how to build circuit model for the conducted EMI coupling paths in switch mode power supply . Based on the model , its sensitivity of a switch mode power supply has been analyzed by the OrCAD / PSpice software .

电力电子装置周期性故障波形小波矩阵分类法

Wavelet matrix classification for periodic fault wave of power electron equipment

电力电子装置传导电磁干扰特性测量的新方法

A Novel Measurement of Conducted EMI Feature of Power Electronic Equipment

高压大功率电力电子装置的防雷保护

Design of Lightning Protection for Power Electronic Devices of High-voltage and Large-capacity

小波消噪在电力电子装置故障检测中的应用

Application of Wavelet De-noising in Detection of Power Electronics Faults

国际谐波标准对电力电子装置设计的影响

Influence of international harmonic standards on the design of power electronic equipments

大功率电力电子装置试验方法及其等效机理

High Power Electronics Equipment Test Method and Its Equivalence Mechanism

电力电子装置是由电力电子开关元件构成的电能变换装置，如整流器、逆变器和斩波器等。

Electronic device is a electric transition device consisted of electronic components .

除此之外，由于大多数非线性电力电子装置的功率因数较低，也会影响供电质量。

Besides , the low power factor also can affect the power quality .