Huadian Technology ›› 2012, Vol. 34 ›› Issue (8): 40-41.
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LIN Wangqing
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Abstract:
The DC grounding faults exist in the outdoor equipments of 220kV and higher voltage grade substations inevitably. According to relevant examples,
the types of the grounding fault were summarized. The reasons of the grounding faults were analyzed. Aiming at the grounding faults, the improvement measures
were proposed; and the safe and stable operation of the equipments were ensured in practice.
Key words: DC grounding, auxiliary contact of isolating switch, temperature meter contact, solving measure
LIN Wangqing. Measures for solving problem of outdoor DC grounding in substation[J]. Huadian Technology, 2012, 34(8): 40-41.
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https://www.hdpower.net/EN/Y2012/V34/I8/40
