Several precautions to be noted in oil depot explosion - proof electrical equipment operation safety management are analyzed in this paper.
分析了油库防爆电气设备运行中安全管理应注意的几个事项。
This paper discussed the design principle of detection circuits for explosion-proof vortex flowmeter and analyzed some specific circuits in detail.
本文论述了防爆型涡街流量计检测电路的设计原则，并对具体电路作了较详尽的剖析。
The paper thoroughly introduces the ac-ac frequency converter in driving system of asynchronous motor for underground coal mine explosion-proof winder.
本文对一种用于煤矿井下防爆绞车驱动的交交变频器——鼠笼式异步电机传动系统做了全面的介绍。
Analysing the accident examples in this paper shows that earth connection is necessary and some earthed methods exist limitations for fire-proof and explosion-proof.
本文通过对事故实例的分析，指出接地的必要性和几种接地方式在防火、防爆方面的局限性。
The paper presents characteristic of a explosion-proof combined switch and application of the programmable controller in switch design.
介绍防爆组合开关的使用特点，以及可编程序控制器在组合开关设计中的应用。
The paper introduce the structural design characteristics and design teatres of electromagnetic of explosion proof oil-filled slibmersible motor pump.
本文介绍了隔爆型充油式潜水电泵的结构设计特点和电磁设计特点。
In this paper, the domestic and foreign market situation and level of explosion-proof motors with double-speed and electromagnetic brake are analyzed firstly.
本文分析了该类电机国内、外市场状况及其水平，阐述了电机变极调速的方式与方法。
This paper introduces the present situation and the future development of the hydraulic winch and explosion-proof winch at home and abroad.
本文介绍了国内外液压防爆绞车的现状及其发展前景。
This paper introduces the present situation and the future development of the hydraulic winch and explosion-proof winch at home and abroad.
本文介绍了国内外液压防爆绞车的现状及其发展前景。
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