One of the dominant factor in phase controlled switching is the determination of optimal switching phase, while the optimal switching phase is mainly affected by the pre-strike characteristics of the circuit breaker.
相控开关的核心问题之一是最佳投切相位的确定,而最佳投切相位又与断路器的预击穿绝缘特性密切相关。
Appling the fitting expression to the calculation of the pre-strike characteristic, the variation rule of the withstand voltage of vacuum interrupters is thus reached according to the closing dynamic characteristic, through .
将拟合到小间隙下的击穿电压与间隙的关系式应用到真空断路器关合时的预击穿特性,根据断路器的关合动特性,得到了断口间耐受电压随时间的变化规律,由此得出断路器实现同步关合的速度低限,以及在什么相位进行关合时暂态分量最小。
Prebreakdown Characteristics between Electrodes in Vacuum;
真空中电极间隙的预击穿特性研究
In comparison with devices fabricated by normal gate process,the dielectric defined gate devices show advantages in on-state breakdown,power performance.
25μm非介质栅器件的频率特性、开态击穿和功率特性进行了比较。
The waveform controlled dc was applied to the sensor and the prebreakdown current flowing through the sensor was measured by the picoammeter.
制作了一种纳米尖端场离子化气体传感器,以氧化锌纳米尖端为阳极,钨针为阴极,采用皮安表向传感器提供输出波形可控的直流电源,测量流过器件的预击穿电流。