介绍开断近区故障(SLF)时恢复电压的计算和灭弧室在不同燃弧时间下的理论分析。
Introduction to calculation of recovery voltage in short line fault (SLF) and theoretical analysis of the interrupter in various arcing time.
分析了压力变化与开断时间的关系，比较了不同基压下压气缸与喷口喉部气体压力特性的变化，说明了基压对断路器灭弧室内压力的影响。
The changes of the pressure in puffer chamber and nozzle throat under different base pressure are compared, which shows that base pressure has an influence on the pressure in gas chamber.
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