采用先进的逆变技术和进口MOSFET功率开关器件。
Apply advanced reversing technology and imported MOSFET power switch.
电力电子线路的核心多为大功率开关器件，其稳定安全运行至关重要。
The core of electric power circuit probably is big power switch unit, and it's most important that it runs stably and safely.
与其他种类的功率开关器件相比，具有开关速度快，易于实现栅控关断等优点。
Compared with other power device, it has many merits, such as high switch speed, convenient to turn-off by control of gate bias.
选用IGBT作为功率开关器件，自主设计了一套驱动电路对IGBT进行驱动；
Select IGBT for power switch device, design one urge circuit for IGBT independently;
该变流器采用MCS - 8098单片机作为控制器，GTO作为功率开关器件。
MCS 8098 single chip microcomputer and GTOs are adopted as processor and power switching devices.
其主电路采用全桥式拓扑结构，以IGBT管为功率开关器件，中频变压器使用微晶磁心。
Full bridge topology was used in the main circuit, IGBT was used as power switching device, and micro-crystal core was used in mid-frequency transformer.
介绍一种带变压隔离器、含多个功率开关器件的PWM变换器工作在连续状态的建模方法。
A new method is introduced for modeling PWM DC-DC converter with multi-switches and transformers, which operate in continuous conduction mode, including parasitic components.
主要内容包括PWM斩波电路结构及功率开关器件的选择，驱动电路，保护电路以及软件编程。
The PWM chopper circuit and the selection of power switching elements, protecting circuits, driving units and software programming are given out.
随着高压大功率开关器件的出现，基于电力电子技术的动态电能质量调节技术已成为解决上述问题的有效手段。
With the emergence of the high voltage power electronic devices, the technique of dynamic power quality regulation is an effective way to solve the above problems.
该变频调速系统主电路采用交-直-交形式，以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
针对配电系统电子电力变压器的特点，提出功率开关器件IGBT缓冲电路的设计方法，包括缓冲电路类型的选择及参数的计算方法。
This paper presents the design method of high power IGBT snubbers for electronic power transformer in distribution system, which includes choosing the type of snubbers and parameters calculating.
变频调速系统主电路采用交-直-交形式，以可编程逻辑器件(CPLD)作为调速系统逆变电路功率开关器件IGBT的逻辑控制器件。
Alternating-direct-alternating circuit is adopted and CPLD is used as logic control device of power IGBT in main circuit of variance-frequency timing system.
倍频式感应加热电源负载输出频率为功率开关管工作频率的二倍，且功率开关器件工作时具有软开关特性，在需要高频应用的场合很有意义。
Since its output frequency is as twice as the device frequency and it has the merit of soft-switching characteristic, multiple-frequency induction heater is widely used in high frequency application.
这种试验主要被用于测试中高功率的电力或电子技术中采用的元器件或设备(断路器，开关，变压器，绝缘子等等)。
These tests are above all used to test components or equipment employed in electricity or electro-technology of medium and high power (circuit-breakers, switches, transformers, insulators, etc...).
介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
中频大功率感应加热装置，多年来一直采用可控硅做为开关器件。
Medium frequency high power induction heating apparatus, for many years has adopted silicon controlled as switching devices.
由于采用了开关式陀螺马达电源、PWM集成功率放大器，C196和PSD器件达到了小体积和低功耗的要求。
The requirement on low power and small size can be met by means of switching gyro motor, PWM amplifier, C196 MCU and PSD devices.
试验结果表明，软开关技术能够有效地改善功率器件的工作环境，明显地降低损耗。
The experimental results show that soft switch technology can effectively improve work environment of power converter and greatly decrease its power consumption.
分析对比了各种常用电力电子器件选择了功率MOSFET作为逆变器开关元件。
Various power devices are compared with each other. Power MOSFETs are employed as the switches of the power supply.
研究了开关电源中印刷电路板寄生参数及功率器件瞬态特性产生的传导电磁干扰现象。
Conducting Electromagnetic Interference (EMI) in switching power supplies caused by parasitic parameters and transient characteristic of power electronic elements is studied in this paper.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
新型直流固态继电器是一种以新型器件IGBT以及功率场效应管为核心的，全部由固态电子器件组成的新型无触点开关器件。
The new type DC solid state relay is a kind of new contactless switching device, with the new type IGBT and power field effect tube as the core and composed completely by solid state electron devices.
考虑到系统功率较大，三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
本文设计了一种适用于中大功率、便携式逆变焊机，具有电源输入侧功率因数高，主功率器件实现软开关等特点。
In this paper, a multifunctional welding machine is designed with the characters of high power factor, soft switching and portable remove.
通过设置死区时间实现开关功率器件的零电压开通与关断，利用该变换器研制出GTO门极驱动用电源。
The turn-on and turn-off of power devices under zero voltage are realized with addition of dead time. The power supply for GTO gate driver is developed by use of the converter.
IGCT是一种基于GTO结构并利用集成门极电路进行硬驱动控制的大功率半导体开关器件。
IGCT is a kind of high power semiconductor based on GTO structure, which achieves hard turn-off by the integrated gate circuit.
在异步电机运行中，经常会出现烧毁功率开关 器件的事故，而此原因多是因为电机启动失控造成的。
The trouble which the power switch is always fired occurs often in the process of motor running. It is because of the lose-control of the start.
在异步电机运行中，经常会出现烧毁功率开关 器件的事故，而此原因多是因为电机启动失控造成的。
The trouble which the power switch is always fired occurs often in the process of motor running. It is because of the lose-control of the start.
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