电动工具必须接一个正确设定的漏电保护装置(RCD)。
Electrical tools must be connected a correctly rated earth leakage cut-out (RCD) device.
试验结果表明，该漏电保护装置满足了快速性和稳定性的要求。
The test result showed that the leakage protector meets with requires of rapidity and stability.
重点论述漏电保护装置的原理、设计参数选定和安装接线，对其可靠性进行探讨。
The paper describes emphatically the principles of electrical leakage protector, the selection of design parameters and erection as well as wiring and inquires into the reliability of it.
本文在分析了我国现有井下低压分支电网漏电保护装置的基础上，提出了新型微机漏电保护的原理。
Based on the analysis of our existing branch network in underground low-voltage leakage protection devices, design a new computer leakage protection.
对现有多功能天车的漏电保护装置及存在的问题进行了分析，对新一代漏电电压在线监测装置的开发思路进行了阐述。
The paper introduces existing problems of low-voltage leakage protector in the power supply system of coal preparation plant application and puts forward the methods of solving the problems.
该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
通过分析和计算说明老式煤电钻综合保护装置在漏电保护和执行电路中存在的问题。
The problems in leakage protection and executive circuit of synthetical protection set in coal electric drill have been analyzed and calculated.
远方漏电试验的地点应尽量靠近检漏保护装置。
The place of the remote test should approach the leakage protection device.
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.
具有漏电、缺相及过载保护装置，配有超静真空泵，大面积的过滤网，机械式振尘装置。
With leakage, phase and overload protection devices, ultra-low noise vacuum pump, large filter and filter-cleaning mechanically.
具有漏电、缺相及过载保护装置，配有超静真空泵，大面积的过滤网，机械式振尘装置。
With leakage, phase and overload protection devices, ultra-low noise vacuum pump, large filter and filter-cleaning mechanically.
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