一起继电器损坏导致的LTB145D1/B型断路器控制回路断线分析
An analysis of LTB145D1/B circuit breaker control circuit disconnection caused by relay damage
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摘要: 摘要:LTB145D1/B型断路器在广泛应用于220kV变电站内110kV电压等级的断路器中,本文主要介绍该类型断路器在运行过程中由继电器损坏导致的一起控制回路断线缺陷,通过分析其产生的原因,提出相应的预防措施,从而达到提升 LTB145D1/B型断路器的运行现状,提高供电可靠性。Abstract: Abstract:LTB145D1/B circuit breaker is widely used in 110kV circuit breaker in 220kV substation. This paper mainly introduces a control circuit disconnection defect caused by relay damage during operation of this type of circuit breaker. By analyzing its causes, the corresponding preventive measures are put forward, so as to improve the circuit quality. Operation status of lt145d1/b circuit breaker to improve power supply reliability.