灯具内部电路设计具有防止过充、过放、短路保护装置及开关防误操作功能。
The internal circuit, the lamp is designed to prevent overcharge, over discharge, short circuit protection device and the switch function of anti misoperation.
双重保护：灯具内部电路设计具有防止充电，短路保护装置功能。
Double protect: it has design to avoid charge's electric circuit and short circuit protection function in the lamps and lanterns.
针对煤矿高压防爆开关综合保护装置主要存在的短路故障越级跳闸和漏电保护动作不准确的问题进行了深入的研究。
This paper conducts a thorough research to the problem of short circuit override trip and inaccurate leakage protection action mainly existing in HV flameproof switchgear comprehensive protection.
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