This paper expounds requirements of special industry electric equipment in explosive areas, and presents protection grade and structure requirement of electric equipment.

论述了特殊工业电气设备在爆炸性场所使用的要求，并介绍了电气设备的防护等级和结构要求。

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Grounding and protection of electric equipment of oil field enterprise has been discussed, and its grounding and protection proposed also for oil traction, drilling and prospecting.

对电气设备的接地与保护问题进行了论述，并对采油、钻井、物探等作业环境中的电气设备问题提出建议。

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In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.

在电力系统，它可以刺激局部并联谐振或串联谐振，放大谐波，引发继电保护系统误差和扰乱电力能源计量设备。

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It owns one of the world's largest vehicle fleets, operates a leading global fleet management business, and offers a portfolio of product solutions including charging stations, circuit protection equipment and transformers that touch every part of electric vehicle infrastructure development.

ENGADGET: GE kicks off EV Experience Tour, promises WattStations for all

It sells vehicle charging stations, circuit protection equipment and transformers that are key elements of the infrastructure needed to support electric vehicles.

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