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.

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

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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。

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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。

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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。

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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。

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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。

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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。

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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）。

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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。

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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。

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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

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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。

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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。

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Introduces the function and features of the PLC general intelligent relay module LOGO!

介绍了西门子公司的可编程通用智能继电器LOGO！

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Application of PLC high seed counter module in the colliery belt transmission control system

PLC高速计数模块在煤矿胶带传输控制系统中的应用

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Communication between manager computer and PLC through remote communication module is built.

上位机采用FIX软件通过远程通讯组件完成同PLC的通讯，组态FLX软件建立良好人机界面。

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Application of Petri Net in Designing PLC Program of the Module Processing System

Petri网在模块化制造系统PLC程序设计中的应用

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SPD-100B type is a kind of low-speed machine, but it adopts equivalent PLC, positioning module, servo motor and frequency converter. Besides, its touch screen is featured with a humanized operation.

SPD-100B型虽为低速机，但采用与高速设备同等PLC、定位模块、伺服电机以及变频器，触摸屏人性化操作。

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By using the method of PLC circumscribed analog module, flexible and diversified control function of PLC was fully utilized and adopted special handling to the characteristics of control objects. This method has certainly in general use.

通过PLC通信端口外接模拟量模块的方法，可以充分利用PLC灵活多样的控制功能，并针对控制对象的特点采取特殊处理，此方法具有一定的通用性。

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The control systems such as high voltage control system, control system for current of electron beam, running control system for work bench are analyzed. The software design of control system is put forward with PLC special function module.

对电子束焊机的高压控制系统、束流控制系统和工作台运动控制系统的特点进行了分析，提出用PLC的特殊功能模块技术设计系统控制软件。

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