因此，高功率因数的大功率开关电源成为研究的热门。
Therefore, the high power factor high-power Switching-Mode power supply becomes the major topic of discussion studying.
大功率开关电源一般采用三相二极管整流桥作为前级整流电路。
The switching power supply usually uses the diodes rectifier as the front converter.
利用大功率开关电源技术研制出新一代的IGBT逆变式恒电位仪。
A new generation of IGBT inverse constant potential instrument is developed by using powerful switching power supply technology.
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.
因此大功率开关电源适配器的研制，正在成为一个广受关注的热点问题。
So, the study of high-power switching adapter is becoming a hot issue.
随着大功率开关电源功率密度的不断提高，合理的热设计是保证电源可靠工作的前提条件。
With the continuous improvement on power density of high-power switching power supply, reasonable thermal design works as a prerequisite to ensure a reliable power supply.
在国外高压大功率开关电源技术已较为成熟，我国对这方面的研究也一直在进行，但目前还不成熟。
The technology of high voltage DC switching power supply has been successfully developed in advanced countries, but is under development in China.
该焊机采用“无源引弧器”引弧，引入CMOS、时基、大功率开关等集成电路进行弧焊自动控制。
Welding machine control unit is equiped with no power source arc start unit, CMOS, and high power switch.
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.
新技术，新产品！全程ZCS、ZVS逆变器、低功耗准谐振驱动、大功率开关电源供电，造就兆赫兹级大功率超高频逆变。
New technology, New Product! Whole process ZCS, ZVS inverter, Low power dissipation quasi-resonant drive, High-power switching power supply, MHz UHF high power inverter.
目前，由于IGBT模块的推广应用和新的拓扑技术的不断涌现，高压大功率开关稳压电源已开始在现代雷达发射机中使用。
Presently, with the application of IGBT modules, new topology comes out continually, high voltage and high power switching regulated power supplys have been used in modern radar transmitters.
分析了该电路的基本工作原理、关键参数的设计计算，仿真结果表明这种新型的单级大功率开关电源功率因数可达到0 . 995。
Moreover, its operation process principles and critical parameters are analyzed, its simulation results proved that the novel single stage high power switch source's power factor can achieve 0.995.
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.
尤其适合以igbt作为主功率开关管的高电压、大功率功率变换，具有广泛的应用前景和巨大的经济价值。
So this novel converter has a wide application and huge economy effect in power converting field, especially in the high voltage and high power feild where IGBT is used as the main switch.
讨论了低成本开关电源式大功率蓄电池充电机的工作原理，并给出了实用的电路原理图。
This paper discussed the principle of a great power battery charger using low cost switch power converter, the practical circuits are presented.
证实了在万瓦级高平均输出功率水平下采用旋转火花隙作为大功率高压开关的可行性。
The feasibility of using a rotating spark gap as the high power high voltage switch is verified at twelve-kilowatt average output power level.
多电平逆变电路具有输出谐波少、开关频率低等明显上风，非常适合应用于高压大功率的变频调速领域，具有现实的节能意义。
It has significant advantages, such as less distorted output, lower switching frequency, etc, and it has reality energy conservation significance in application of the high - voltage and high-power.
试验结果表明，采用固态开关串联完全可取代传统的真空管开关，在高重频的大功率雷达发射机中稳定可靠工作。
The transmitter test results indicate that solid state switches could replace traditional vacuum switching tube and work reliably in high PRF high power radar transmitter.
大功率TEACO2激光器系统产生的强电磁干扰主要来源于激光器主放电回路、脉冲火花开关和电源。
The strong electromagnetic interference generated in high power TEA CO2 laser system mainly comes from the main discharge circuit, pulse spark switch and power supply.
由于其开关频率高，易于串联，故适合在中电压大功率领域使用。
Because of its high switching frequency and easy series connection, it is suitable for medium voltage high power applications.
设计了大功率固态调制器的新型固态脉冲开关模块。
Solid state pulse switch modules are developed for high power modulator.
介绍了一种用于大功率IGBT厚膜驱动电路的380V系统输入、多路输出辅助开关电源。
An assistant 380V AC-input and multi-output switching power supply is introduced which is used in thick-film driving circuits for large-power IGBT(Insulated Gate Bipolar Transistor).
如何减少电力电子器材的开关损耗，是斩控式交流调压器大功率化的关键技术。
How to reduce the switching loss of the power electron equipment is the key technology of high power of chopping AC regulator.
该控制系统采用8098单片机为主体，适用于象GTR这样具有较高开关速度的大功率电源系统的控制。
The control system, based on 8098 singlechip, can be applied in the power supplies which have GTRs of high switch speed.
介绍了一种采用自适应技术的开关型稳压电源，对电视发射机大功率发射管的冷态灯丝平滑上电压，有效提高了发射管的使用寿命。
The switch mode regulated power supply using self - adjusting technique is introduced. In TV transmitter, it is used to the large power transmit-ting tubes with variable voltage for cold filament.
采用移相调制的多重斩波电路，可以提高等效开关频率，因此可应用在中大功率场合。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
针对大功率逆变器的应用介绍了一种基于不对称开关角的优化脉冲宽度调制方法。
A new optimal pulse width modulation (PWM) technique with unsymmetrical switching angles was introduced for high power applications.
内电路全部采用大功率继电器转换，避免了经常烧毁开关现象。
The internal circuit is made of high-power relay switching which avoiding the phenomena often burned.
内电路全部采用大功率继电器转换，避免了经常烧毁开关现象。
The internal circuit is made of high-power relay switching which avoiding the phenomena often burned.
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