power electronics devices

The extensive application of power electronics devices in power system 、 industry 、 traffic and family brings serious current harmonic, this harmonic pollution harms to system and electromagnetism environment.

随着各种电力电子装置在电力系统、工业、交通及家庭中的应用日益广泛，电网的电流谐波问题也日益严重，谐波污染给系统本身和周围的电磁环境带来了一系列的危害。

Wang Meida Electronics factory is a professional dedicated to the production of power semiconductor devices.

旺美达电子厂是一家专业致力于电力半导体器件生产.

With the emergence of the global energy crisis and the rapid development of modern power electronics, high-power converter devices' application field is increasingly extensively. As the power electronic systems basic link, the rectifier is more widely used at present.

随着全球能源危机的出现以及现代电力电子技术的快速发展，高功率变流装置的应用领域日益广泛，作为电力电子系统基本环节的整流器更是得到了大规模地使用。

With the continuing development of power electronics and devices, the hybrid stepping motor becomes more popular, for it contains the merits of permanent magnetic one and reactive one, such as high speed rotation, smooth operation, and precise location.

随着电力电子技术与电子器件的不断发展，混合式步进电机被大量使用，它结合了永磁式与反应式步进电机的特点，具有高转速、运行平稳、定位精度高的优点。

In recent years, with the performance of Power Electronics devices continued to consummate and the AC Motor Speed Control Technology and the Frequency Speed Converter Technology development and their increasingly widespread application of the device.

近年来，随着电力电子器件的性能的不断完善，交流电机调速技术与变频调速技术的取得重大突破，而且它们在设备上的应用日益广泛。

Novel Excitation System Using High Power Electronics Full Controlled Devices Rectifier

采用大功率电力电子全控器件的新型励磁系统

In order to speed up the development of power electronics devices, improve efficiency and shorten the development time, a general network digital platform for power electronics is implemented in this thesis.

为了加快电力电子装置的研制开发，提高效率和缩短开发周期，本文实现了一个网络化的电力电子通用数字平台。

In the high voltage and power converting, the voltage level of power electronics devices sometimes can't satisfy the requirements of equipment.

在高压电能变换中，现有器件的电压等级往往不能满足装置的需要。

In recent years, the field of energy harvesting has been expanded its space more and more and this mainly attribute to the advancement in wireless systems and low power electronics devices.

在最近的几年中，能量回收有了很大的发展，这主要归功于无线技术和低功耗电子设备技术的进步。

The V850E/ MS1 chip produced by NEC is a new 32-bit RISC processor which has been widely used in industrial control, power electronics, medical devices, consumer electronics and so on.

V850E/MS1芯片是由日本NEC公司推出的一款新型32位精简指令集的处理器，被广泛应用在工业控制、电力电子、医疗仪器和DAV消费电子等各方面。

Usually, this part of loss energy exists in the inner part of IGBT in the form of heat, which will change the temperature distribution of power electronics devices.

所有的电力电子器件在运行过程当中都会产生一定的能量损耗，IGBT也不例外，通常这部分损耗在IGBT内部以热的形式存在，从而将改变电力电子器件内部的温度分布。

However, with the widely use of various kinds of power electronics devices and nonlinear loads in power network, the problem of power quality becomes one of the problems which is paid attention for by customers and power supply department.

然而随着各种电力电子设备，非线性负荷在电网中的广泛应用，电能质量的问题成为现在用户以及供电部门非常关注的问题之一。

This paper presents a general pulse generator application specific integrated circuit ( ASIC) for power electronics devices designed with the large-scale programmable logic devices.

提出一款基于大规模可编程逻辑器件设计的具有多种功能的电力电子设备通用脉冲发生专用集成电路（ASIC）。

Along with the comprehensive application of power electronics devices, the harmonic problem of power system becomes more and more serious, for the harmonic problem of medium-voltage and high-voltage system, high-capacity hybrid active power filter is an powerful governing method.

随着电力电子器件的广泛应用，电力系统的谐波问题日益严重，对于中高压系统的谐波问题，大容量混合型有源电力滤波器是有效的治理手段。

A general pulse generator ASIC for power electronics devices

电力电子设备通用脉冲发生专用集成电路

With the development of power electronics technology, a sharply increasing number of power electronics devices have been widely used nowadays. Although these power electronics devices make our life convenient, they inject much harmonic current to the power grid for their nonlinear characteristics.

在电力电子技术飞速发展的今天，各种非线性电力电子装置得到了广泛的应用，这些装置在带给我们方便的同时向公用电网内注入了大量的电流谐波。

With the development of the diversifies of electronic power components and computer technology, power electronics control devices also make great progresses, but corresponding control software makes little progress.

随着电力电子器件多样化和计算机技术的发展，电力电子控制装置也有了新的发展，但是相对应的控制系统软件的设计方法却发展很慢。

However, the high count of expensive power electronics devices restricted the application of the BLDCM, especially for those low power motors.

这个缺点对小功率电机尤其明显，制约了无刷直流电动机的进一步推广。

Over the last 30 years power electronics devices typically have been employed to stabilize voltages and to control motor speed.

在过去30年中，电力电子设备一般被用来进行稳压和电动机的调速。

Recently, with the development of high-speed railway, power electronics devices and nonlinear equipments are widely applied. Therefore, the distorted waveform of currents in traction power system is more and more deteriorated, which impacts the power quality seriously.

近几年来，随着我国高速铁路的发展以及各种电力电子器件和非线性装置的广泛应用，使得牵引供电系统中电流波形畸变越来越严重，严重影响电网的电能质量。