The parameters which affect the hold off voltage of the one stage pseudo spark switch such as the working gas, the pressure, the gap distance and the hole diameter of the electrodes have been studied.

对影响单级赝火花开关耐受电压的主要因素，如工作气体、气压、极间隙和孔径等进行了系统的研究。

Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.

通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样，后经DSP A/D转换模块与反压设定值进行比较。

Varies the generator terminal voltage in accordance with its load to hold constant voltage at some point electrically remote from the generator, such as the station high voltage bus.

按发电机的负荷改变发电机的端电压使远离发电机的某一电气点如变电站高压母线的电压稳定不变。