少数情况属永久性故障，自动重合闸装置动作后靠继电保护动作再跳开，查明原因，予以排除在送电。
Limited circumstances permanent fault, automatic re-closing devices on the move after the opening relay action Zaitao to identify reasons, be excluded from the power supply.
介绍了一起ZN28系列真空开关爆炸事故，并从继电保护动作情况和事故现场两方面对事故原因进行了分析。
This paper introduces the explosion of type ZN28 vacuum breaker and analyzes the cause of the accident from two aspects, the action of protective relay and accident site.
对在复杂故障情况下利用录波信息进行复杂故障诊断的方法进行研究，弥补了只用断路器和继电保护动作信息进行诊断的局限性。
After studying the further diagnosis of complex faults by using the recorded fault messages in order to remedy limitation of diagnosis using breaker and relay alarm messages.
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