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| Analysis of One Bus Insulation Fell Fault in DC System |
| Dong Sheng Chen Wentong Zheng Xiaodong Liu Songcheng Gao Yin |
| Jinhua Electric Power Company Substation Maintenance Room, Jinhua, Zhejiang 321000 |
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Abstract DC system grounding, will cause the protection tripping or malfunction; this paper explores the causes of DC system grounding fault and introduces the harm, and summarizes the most domestic substation DC system insulation detection method. Combined with a 220kV substation DC system insulation decreased with accident, reason of insulation produced by voltage change characteristic, that is because of branch Ⅱ DC bus insulation drop caused by power supply, and is mainly composed of capacitor, inductor and other components of the recorder, the DC bus voltage to the ground lead anode fall.
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Received: 20 April 2015
Published: 23 March 2015
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| Cite this article: |
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Dong Sheng Chen Wentong Zheng Xiaodong Liu Songcheng Gao Yin. Analysis of One Bus Insulation Fell Fault in DC System[J]. Electrical Engineering, 2015, 16(03): 97-99.
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| URL: |
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http://dqjs.cesmedia.cn/EN/Y2015/V16/I03/97
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2015, Vol. 16 
