Research and Development of Control System for High Power Diode Laser Based on PLC

Temperature controller system for high-power laser-diode based on fuzzy+ PID

大功率半导体激光器的精密模糊PID温控系统

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This paper introduces the research problems, power semiconductors, main and new applications on power electronics.

该文介绍电力电子技术研究的问题、功率半导体器件、主要应用和新应用。

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Finite element analysis on steady-state thermal resistance of heat sink of power semiconductors for locomotive

机车大功率半导体散热器稳态热阻的有限元分析

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The principle of the pure water circulation cooling system used for the IGBT converter driving device with large power is presented. The experience and lessons in mounting and commissioning are expounded in detail.

叙述了大功率电力电子器件IGBT变频传动装置所使用的纯水循环冷却系统的原理，着重阐述了在安装调试过程中的经验和教训。

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With the continuous development of manufacturing technology of power electronic devices and the gradual maturing of modern power electronic technology, a new type of power transformer& ( Power Electronic Transformer, PET), which combined with power electronic technology and transformer technology, is proposed.

随着电力电子器件制造技术的不断发展以及现代电力电子技术的日渐成熟，人们将现代电力电子技术与变压器技术有机的结合起来，提出了一种新型的电力变压器电力电子变压器（Power electronic transformer PET）。

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With the development of high reverse, high current electric& electronic device, the diameter of FZ-Si single crystal is getting larger.

高反压、大电流电力电子器件的发展要求FZ硅单晶直径进一步增大。

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Power electronics' initial product is rectifier, thyristor, power MOSFET, power GTR and other products. However, these products all have their own shortcomings.

电力电子器件最初的产品是整流管、晶闸管、功率MOSFET、大功率GTR等产品、但是这些产品都有着自身的缺点。

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The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.

叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。

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One sort of current-controlled convener is designed by using power electronic device IGBT according to AC step motion control theory, which combines speed control with position control to synchronous motor.

依据交流步进控制原理，采用新一代电力电子器件IGBT，设计了一种电流控制型的变频器，把同步电动机的速度控制和位置控制结合在一起。

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This paper does research on multiple-frequency IGBT high frequency induction heating power supply. In the first place, basic knowledge of induction heating and development of power devices are introduced.

本文以倍频式IGBT高频感应加热电源为研究对象，首先介绍了感应加热电源的基本知识和电力电子器件的发展。

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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。

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In order to resolve the voltage sustaining capability problem of power electronic devices, multilevel inversion techniques based on PWM control are widely spread in medium-voltage and large-capability Adjustable-Speed Drives ( ASDs).

在中压大容量变频驱动装置中，为解决电力电子器件耐压问题，基于PWM控制的多电平逆变技术得到广泛应用。

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It deduces the state of each power electronics device in UPFC by means of the voltage space vector pulse width modulation method.

论文利用电压空间矢量脉宽调制法推导出UPFC各桥臂电力电子器件的开关状态。

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Almost all the FACTS elements are based on controlled switching of the power electronic devices to effectively realize power flow control, voltage regulation, enhancement of transient stability and mitigation of low-frequency system oscillations.

所有的FACTS设备均是通过控制电力电子器件的开关过程，以有效实现电力系统的潮流控制、电压调节、提高系统暂态稳定性以及抑制系统低频振荡等功能。

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The traditional PID control system needs an effective system model, however, as the uncertainty of aerodynamics and the complexity of power electronic devices, it is very difficult to obtain accurate models.

传统PID控制方式要以有效的系统模型为基础，然而，空气动力学的不确定性以及电力电子器件的复杂性使得准确模型的获取非常困难。

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In this paper, 3 level inverter made of IGBT that is adapted to the auxiliary system in urban rail vehicles is introduced.

利用新一代的电力电子器件IGBT研制了适用于城市轨道车辆辅助系统的三电平逆变器装置。

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The generator uses DSP as its controller and can generate many types of power quality disturbances. It is a power electronic device which could be cost-effective at much higher powers.

该发生器用DSP作控制器，主电路用电力电子器件实现，可以产生多种电能质量干扰，并可用于大功率场合。

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This paper presents the new development of the power electronic devices, discusses some kind of the PWM control technology, and examines the soft switch technology.

概述电力电子器件的新发展，并且讨论多种PWM控制技术，最后阐述软开关技术。

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All-controlling power electronics device IGBT in traction power transmission and transformation of power transmission and active filter etc widely application.

全控型电力电子器件IGBT在牵引电传动电能传输与变换、有源滤波等领域得到了广泛的应用。

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IGBT ( Insulate Gate Bipolar Transistor) enhances the performance index and the energy saving for the entire machine system.

绝缘栅双极晶体管（Insulate Gate Bipolar Transistor，IGBT）作为新型电力电子器件是整机系统提高性能指标和节能指标的首选产品。

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