Protection of bus-tie circuit breakers: long time delay overcurrent and instantaneous overcurrent.
汇流排联络断路器保护:长延时过流、瞬时过流保护。
The operating logics and processes of the automatic transfer of the incoming line breaker and the bus-tie switch are presented.
给出了进线断路器备自投和母联开关备自投的工作逻辑和投切过程。
Even at a bus stop, you can just pull out a hammock and tie it between pole and tree and start sleeping in the middle of the day and no one will bother you.
即使大白天在公交车站旁,你都可以在树和电线杆之间拉起吊床,舒适地躺着,不会有其他人打扰你。
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