The design of a novel high frequency fluorescent lamp IC, on which low voltage control circuit and high voltage power device encapsulated in one chip, is introduced.
本文介绍了一种高频荧光灯镇流器芯片的设计，在芯片的实现上充分体现了低压控制电路与高压功率器件在单一芯片上的兼容性。
Experiment results showed that the correction device of power factor could realize high power factor, low harmonic distortion and low ripple of output voltage.
通过实验结果表明，单级功率因数校正装置可以实现较高的功率因数、较低的总谐波畸变，而且输出电压纹波小。
Experiment result showed, the topology can make the device get to high Power Factor (PF), low Total Harmonic Distortion (THD) of input current, low ripple of output voltage, and high efficiency.
实验结果表明，应用该电路拓扑的实验装置，其功率因数较高，输入电流的总谐波畸变较低，输出电压纹波小，而且整个装置的效率也比较高。
It introduces a kind of powerful complementary DC and constant voltage power device by using the independent excitation and high frequency PWM wave clipper.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
It is a voltage-controlled device with high input impedance, which makes it possible to control higher output power with a lower input voltage.
它具有输入阻抗高、电压控制和用低压控制大功率输出的特点。
The plasma source ion implantation device consists of pulsed negative high voltage power, hot cathode arc discharge system, vacuum chamber and target stage, vacuum system and monitor system.
等离子体源离子注入装置由脉冲负高压源系统、热阴极弧放电系统、真空室及样品台、真空系统和监测系统等五部分组成。
Otherwise, because of the limitation of IGBT's specified voltage, we must use special step-up transformer, which is more expensive, if we put this device into high voltage power system.
另外，由于补偿装置中igbt模块的额定工作电压的限制，若要将其运用于高压系统需要连接特殊的升压变压器，成本较高。
The paper introduces the automatic compensation device of high voltage network's power factor.
介绍一种自行研制的高压电网功率因数自动补偿装置。
Today ordinary thyristor, GTO and IGBT play an important role in the applications of power semiconductor device for medium-voltage, and high power levels.
在目前的中电压大功率应用领域，占主导地位的功率半导体器件有晶闸管、GTO和IGBT等。
CVT is a signal sampling device which is widely used to carry out an energy metering, measuring voltage and relay protection in high-voltage power network at home and abroad.
电容式电压互感器是广泛应用在国内外高压电网中的一种用以进行电能计量、电压丈量和继电保护的信号取样装置。
The Metal ZnO Arrester (MOA) are important over-voltage protection device. They are widely used in electric power system due to their excellent nonlinear and high surge absorbing capability.
氧化锌避雷器(MOA)是一种重要的过电压保护电器，由于它具有优越的非线性与保护性能而在电力系统中得到了广泛的应用。
Two high voltage motors with significantly different power and load have to be started by the same set of starting device. Liquid soft starting devices for high voltage A.
因配套原因两台功率与负载特性相差较大的高压电动机组必须选用一套启动设备对两台机组进行一拖二控制。
The power of this monitoring device is made up of novel switch voltage regulation circuit and linear voltage regulation circuit, the electricity of which is directly supplied by high voltage line.
监测系统采用新颖的开关稳压和线性稳压二级稳压结构电源，直接由高压线负载电流供电。
The DC/DC power converter is a high effective source device that can convert the DC voltage from one type to other type or several types.
DC/DC电源变换器是能将一种直流电压变换成另外一种或几种直流电压的高效供电装置。
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。
A new type of low voltage reactive power compensation device is introduced, which is simple in design, low in cost and high inc...
针对以上情况研制的新型低压无功补偿装置电路设计简单、成本低、控制精确且可靠性高。
For the existing reactive power compensation technology, some new control methods are proposed, and a measuring high-voltage TSC VAT compensation device is designed.
本文针对现有无功补偿技术提出了一些新的控制方法，并设计了一套高压tsc无功补偿装拦。
Experimental results shows that the core device of the photon counter-PMT and it's high voltage power supply is not stable, the photon counter can be test and calibrated frequently.
实验结果表明，由于光子计数器的核心器件光电倍增管及其高压电源不很稳定，光子计数器需要经常校验和标定。
In this paper, a high-power DC parameters of the test device has been researched, which could achieve high voltage, high current DC parametric test with high test accuracy and with universal.
本文实现了一种大功率直流参数测试的研制，可以实现高电压、大电流的直流参数测试，具有很高的测试精度，而且具有一定的通用性。
The device has the function of intelligence identify and online surveillance and gets the great effect to keep away accident of extra high voltage power line.
使用该套装置，达到了智能识别、及时报警和实时的视频监控功能，对超高压输电线路的事故防范起到了极大的促进作用。
The device has the function of intelligence identify and online surveillance and gets the great effect to keep away accident of extra high voltage power line.
使用该套装置，达到了智能识别、及时报警和实时的视频监控功能，对超高压输电线路的事故防范起到了极大的促进作用。
应用推荐