critical ionizationpotenal

　　And then,according to the formula,whether the faults of one or several converter buses will lead to the occurrence of commutation failure in other direct current systems is analyzed,meanwhile the

　　然后据此分析研究了某条或某几条换流母线附近发生故障是否会引起多个换流站同时换相失败,并推导得到了相应的临界电气距离。