Electrical Engineering  2018, Vol. 19 Issue (8): 136-140    DOI:
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Study of preventing electric mal-operation system in smart substation —mechanism, inspection, operation and maintenance
Shen Wenwei1, Lu Yao2
1. State Grid Ji’nan Power Supply Company, Ji’nan 250012;
2. State Grid Shandong Electric Power Maintenance Company, Ji’nan 250118;

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Abstract  

The mal-operation blocking system of smart substation is highly different from that of the conventional substation. The understanding of, test methods for, and operational management experience on the mal-operation blocking of smart substation are still insufficient. In this paper, according to the first smart substation with three-layer mal-operation blocking system in Ji’nan, the three-layer diagram of the mal-operation blocking is probed. The mechanism, characteristics and advantages of the bay level mal-operation blocking are particularly analyzed. Finally, a "six-step" test method, and principles of operation and maintenance of mal-operation blocking of smart substation are summarized in order to offer beneficial reference to peers.

Key wordssmart substation      preventing electric mal-operation      bay level mal-operation blocking      inspection      operation and maintenance     
Received: 26 February 2018      Published: 31 August 2018
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Shen Wenwei
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Cite this article:   
Shen Wenwei,Lu Yao. Study of preventing electric mal-operation system in smart substation —mechanism, inspection, operation and maintenance[J]. Electrical Engineering, 2018, 19(8): 136-140.
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https://dqjs.cesmedia.cn/EN/Y2018/V19/I8/136
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