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1. Experimental results show that the optic-electric measurement system can meet the requirement of measuring voltage distribution of valve thyristors.
   实验表明本文研制的光电测量系统可以满足测量换流阀晶闸管电压分布的需要。
2. In this paper, the influence of the aforementioned charge dispersity at valve turn-off on thyristor terminal voltages is illustrated.
   首先分析直流换流阀关断时刻反向恢复电荷差异对晶闸管级端电压的影响。