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Ascertaining the Malfunction of Open-phase Protection for Circuit Breakers and Countermeasure
断路器非全相保护误动故障排查及对策
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In TTL NAND circuit, a phase inverter with its output circuit changed to an open collector.
在TTL“与非”门电路中, 输出级改用集电极开路的一种反相器.
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Open or closed transition power transfers including logic for two circuit breakers.
公开或非公开的过渡权力的转移,包括逻辑两个断路器.
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When the secondary circuit is open, the core flux is produced by the primary current only.
当次级电路开路时, 铁芯磁通量仅仅由初级电流产生.
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实际上, 大多数配电馈线开放环系统与单断路器配置.
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Valves on the primary circuIt'shall be sliding valves with indication of open position.
在主回路上的阀门须为,显示开启位置.
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