That is, when the line failure, the relay circuit breaker tripping, the device auto-reclosing after a short time interval, so that a re-breaker.
即当线路出现故障，继电保护使断路器跳闸后，自动重合闸装置经短时间间隔后使断路器重新合上。
2
By lengthening the tripping time of the relay and enhancing the anti-interference capability of the R-T unit, the problem is solved successfully.
鉴此，通过提高保护装置的出口延时和提高收发信机的抗干扰能力，使问题得以解决。
3
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.