中文摘要：

笔者在实验室对真空开关灭弧室真空度停电测量新方法“发射电流衰减法”和在线检测新方法“屏蔽罩磁控放电法”进行了实验研究。结果表明：①在将真空开关的真空间隙调整为0．8mm的小间隙以后．不需要施加磁场．使用发射电流衰减法可以停电测量灭弧室内的真空度；②研制出具有良好内外绝缘的励磁线圈以后．使用磁控放电法能以6×10^-2Pa的灵敏度在线检测真空开关真空度。

英文摘要：

Two new methods were researched experimentally for on-site and on-line measurement of vacuum degree in vaeuuin interrupters. The experimental results show that： （1） the emission current decay method can be used to determine vacuum degree on-site without imposing magnetic field while the vacuum gap distance is adjusted to 0.8 ram; （2）the magnetron method can be adopted to sensitively detect the vacuum degree onqine in 6×10^-2Pa if an excitation coil with favorable insulation structure is available,