讨论了小型交流断路器在直流电路中的灭弧原理。
The arc extinguishing principle of miniature circuit breaker in DC circuits was discussed.
根据电光变换法原理，研制了真空断路器灭弧室真空度在线监测装置，并投入实际运行。
A vacuity online monitoring set for vacuum breaker quenching pot is developed according to electric-light transform theory and put into operation.
文章介绍了装置的设计思想和部件设计原理，对产品的安全载流、电压损失、滑接性能、灭弧性能进行了分析。
This article describes the design principle of the device and its parts, analyses the safe current-carrying capacity, voltage drop, sliding contact and are extinction performances of the device.
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