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| Feasibility analysis of digital communication protection applied to 10kV power system in airport terminal |
| ZHONG Sumei1, YAN Shi2 |
1. Shenzhen Metro Operation Group Co., Ltd, Shenzhen, Guangdong 518000;
2. Shenzhen Airport (Group) Co., Ltd, Shenzhen, Guangdong 518103 |
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Abstract As the instantaneous protection zone of sectional over-current protection is none and time of faults clearing is long in 10kV power system of airport terminal, a over-current protection with operational logic of permitting is proposed based on improvement of sectional over-current protection, which supports fast protection for whole transmission lines by the information exchange between protections. Its speed, selectivity and reliability are analyzed by operational logic of faults, and communication scheme of IEC 61850/ general object oriented substation events (GOOSE) is suggested.
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Received: 14 July 2022
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| Cite this article: |
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ZHONG Sumei,YAN Shi. Feasibility analysis of digital communication protection applied to 10kV power system in airport terminal[J]. Electrical Engineering, 2022, 23(11): 99-102.
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| URL: |
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http://dqjs.cesmedia.cn/EN/Y2022/V23/I11/99
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2022, Vol. 23 
