对于高电压开关(高于500V)，玻璃管则是被抽空的。
For high voltage switching (above 500v), the glass tube is evacuated.
使高电压通道远离敏感的小电流通道，并使用良好屏蔽的开关，可将这种误差降至最低。
This can be minimized by locating the high voltage channels away from the sensitive low current channels and by using well-shielded switches.
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.
系统成本低，延时短，开关速度快，输出电压精度高。
This system cost lower, delay times shorter, switching speed faster, output volt-age accuracy higher.
本文介绍一种新型的直流开关电源，该电源是一种直流电压输入，三种直流电压输出，并能够达到相当高的效率。
A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
结果表明，所设计的直流开关型变换器集成模块输出电压稳定、纹波小、工作频率，高、功耗低，且体积小。
It has been shown that the designed DC switching mode converter has a stable output voltage frequency, small ripple, high operating frequency and low power consumption.
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.
提出了一种零电压软开关高功率因数变换器电路。
The paper presents a kind of zero-voltage soft-switching unity power factor converter.
只要电容电压比系统电压高，则电能开关就能控制能流方向。
The power switches is able to control the direction of power flow as long as the capacitor voltage is kept higher than the system voltage.
传统的推挽变换器存在着一些固有的缺点，诸如开关管的电压应力高、难以实现软开关等，限制了它的应用范围。
There are some intrinsic drawbacks in traditional push-pull converter, such as higher voltage stress and hard-switching of the switches, so the application area of the converter is limited.
产品规格︰ 真空触发间隙是一种高电压，大电流快速脉冲开关。
The vacuum trigger tube is a kind of fast pulse switches applicable for high voltage and current.
与一般开关电容变换器相比，它还具有直接反馈控制、电压和电流调整范围宽、对器件参数要求不高、集成后成品率高的优点。
Power inductor is pared with conventional switched-capacitor DC-to-DC converters, the new type is directly controlled by wide regulating range of input voltage and the load.
针对精密电子设备中所要求的高电压、低电流的小功率电源系统，设计制作了一种高压开关电源。
In order to satisfying the requirement of precision electronic systems for power supply systems, a high-voltage switching power supply was designed and fabricated.
该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
其箝位二极管电流检测(da引脚)甚至在高开关频率的输入电压瞬态时也能保护电路。
Its catch diode current sense (DA pin) protects the circuit during input voltage transients even at high switching frequencies.
高压开关柜一次触头因温度过高而造成事故时有发生，由于处于高电压状态，对该处的温度监测较为困难。
The accident happens from time to time due to high temperature of main contacts inside HV switchgear cabinet. It is difficult to monitor the temperature there under high voltage condition.
它具有大电流、高电压、开关频率高、高可靠性、结构紧凑、低损耗的特点。
It has characteristics of large current, high power, high voltage, high switch frequency, proven reliability, low losses and so on.
针对微波电子电源高电压、大功率的特点，提出了采用前后两级开关变换结构的设计方案。
The microwave electronic power supply requires high voltage and high power, so the two-section conversion structure, the front and the back, is adopted in the designing scheme of the power supply.
然后运用脉冲功率技术，通过由电容器和磁开关等组成的脉冲陡化电路对正弦电压波形进行改形，最后输出纳秒级上升前沿、高重复频率的高压脉冲。
Then, transform it through the pulse sharpening circuit consisting mainly of capacitances and magnetic switches, finally outputting the high voltage and high repetition rate nanosecond pulses.
开关卡的技术指标通常是由特定的应用决定的，例如小电流或高电压切换。
Switch card specifications are usually stated with a specific application in mind, such as low current or high voltage switching.
避免用湿手接触开关的危险，安全电压保障高。
与同类光开关相比，这种开关具有开关时间短、衍射效率高和工作电压低的优点。
Compared with other similar optical switches, it has the advantages of short switching time, high diffraction efficiency and low operating voltage.
IGBT具有额定电压高、电流大，开关速度快，易于驱动等优点，是中-高功率变流器应用的最佳选择。
IGBT has a high rated voltage, current and switching speed, easy to drive, is one of the best choice of high-power converter applications.
实验结果表明，设计的开关变换器输出电压精度高，纹波小，效率最高达到88 %，适用于低压大电流的负载设备。
Experimental results show that the output voltage of the designed converter has high precision, small ripple and up to 88% efficiency, suitable for low-voltage high-current load devices.
实验结果表明，该开关稳压电源具有频响快、电压调整率和负载调整率高的特点，是一种性能较好的开关稳压电源。
Test results show that the designed power supply has good voltage regulation performance, with small ripple and high regulation rate of voltage and load.
高的开关频率允许选用小的表面瓷陶电容，可节省板级面积、降低成本和减小输出电压纹波。
The high turn-on frequency permission selects the small superficial ceramics electric capacity, may save the board level area, reduce the cost and to reduce the output voltage ripple.
IGCT具有电流大、电压高、开关频率高、可靠性高、结构紧凑、损耗低等特点，而且造成本低，成品率高，有很好的应用前景。
IGCT with current, high voltage, high switching frequency, high reliability and compact structure, and low loss characteristics, but have led to the low yield, a good prospect.
IGCT具有电流大、电压高、开关频率高、可靠性高、结构紧凑、损耗低等特点，而且造成本低，成品率高，有很好的应用前景。
IGCT with current, high voltage, high switching frequency, high reliability and compact structure, and low loss characteristics, but have led to the low yield, a good prospect.
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