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| Analysis and Improvement of Single Phase Earth Fault Protection for 10kV Line |
| Zheng Jiyuan |
| Wanhua Chemical Group Co., Ltd, Yantai, Shandong 264000 |
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Abstract For the single phase earth fault in neutral non-grounded power system, the sensitive earth fault protection can be used in the 7SJ68 relay protection device. This paper analyzes the problems existing in the protection configuration, puts forward the reasonable improvement ideas, gives the specific implementation plan, and at the same time, verifies its application effect in the field.
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Published: 28 June 2017
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2017, Vol. 18 
