将在每条500千伏线路上安装CB辅助面板，包括断路器辅助保护等。
The CB auxiliary panel will be provided for each 500 kV line, Which will include circuit break auxiliary protection. ect.
分析了4极断路器非正常跳闸的原因，提出采用施加外接辅助电源电压的解决措施。
The cause of the improper trip of 4 pole circuit breaker was analyzed. A subsidiary power voltage is applied to solve the problem.
操作箱的作用是用来完成保护、断控单元、测控单元、断路器辅助装置对断路器跳合闸操作的装置。
Relay box is an operational device to tripping and closing of breaker instructed by protection, breaker controlling unit, monitor unit, and auxiliary device of breaker.
断路器可以加装分励脱扣器、压脱扣器，辅助触头，报警触头和电动操作机构。
The Breaker can be attached with shunt tripping device, undervoltage tripping device, auxiliary contacts, alarm contacts and motor-operated drive.
分析了4极断路器非正常跳闸的原因，提出采用施加外接辅助电源电压的解决措施。
The cause of the improper trip of 4 pole circuit breaker was analyzed. A subsidiary power voltage is applied to solve the problem. It is proved in practice that this measure is feasible and effective.
在实际工程中，同期电压的取法采用的是“近区电压优先原则”，并使用相关的隔离开关和断路器的辅助触点来实现电压的切换。
In engineering application, the selection of the synchronism voltage is usually according to the principle that the nearest voltages are prior.
智能型断路器的欠压脱扣、分励脱扣、辅助触头等内部附件，如表b 1所示。
Internal Accessories of the s (h) Z Intelligent Type Breaker, such as Under voltage trip, Shunt trip, Auxiliary contacts and Alarming contacts etc.
通过对断路器主触头与辅助触头的动作情况进行分析，提出了一种不用拆开合闸电阻与主触头的连接线就可以测量合闸电阻的方法，而且可以同时测出合闸电阻的提前合闸时间。
In this paper, the abnormal phenomenon of the closing time of a 500 kV circuit breaker was analyzed, and actions taken to avoid the condition in the other sites were put forward.
通过对断路器主触头与辅助触头的动作情况进行分析，提出了一种不用拆开合闸电阻与主触头的连接线就可以测量合闸电阻的方法，而且可以同时测出合闸电阻的提前合闸时间。
In this paper, the abnormal phenomenon of the closing time of a 500 kV circuit breaker was analyzed, and actions taken to avoid the condition in the other sites were put forward.
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