Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors
This paper proposes three probability models to assess the impact of communication delays and bit errors on differential protection. First, the mechanism of relay protection malfunction caused by communication delays and bit errors is introduced. In general, a channel’s consistent delay or bit erro...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2015-03-01
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| Series: | Energies |
| Subjects: | |
| Online Access: | http://www.mdpi.com/1996-1073/8/4/2454 |
| _version_ | 1811300890711162880 |
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| author | Yingjun Wu Manli Li Yi Tang Rong Fu Ming Ni |
| author_facet | Yingjun Wu Manli Li Yi Tang Rong Fu Ming Ni |
| author_sort | Yingjun Wu |
| collection | DOAJ |
| description | This paper proposes three probability models to assess the impact of communication delays and bit errors on differential protection. First, the mechanism of relay protection malfunction caused by communication delays and bit errors is introduced. In general, a channel’s consistent delay or bit error results in refuse-operations, while a channel’s inconsistent delay normally causes false trips. Based on the analysis of the probability distributions of communication delays and bit errors, probabilistic models of false trips and refuse-operations are proposed. Simulation results, using typical parameters, are implemented to investigate the effects of communications on the malfunction probability of differential protection. |
| first_indexed | 2024-04-13T06:58:03Z |
| format | Article |
| id | doaj.art-b0ae3d7f92c64d49beb8415e99ae544b |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-13T06:58:03Z |
| publishDate | 2015-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-b0ae3d7f92c64d49beb8415e99ae544b2022-12-22T02:57:11ZengMDPI AGEnergies1996-10732015-03-01842454247210.3390/en8042454en8042454Reliability Analysis Models for Differential Protection Considering Communication Delays and ErrorsYingjun Wu0Manli Li1Yi Tang2Rong Fu3Ming Ni4School of Automation, Nanjing University of Posts and Telecommunications, No. 9, Wenyuan Road, Nanjing 210023, ChinaSchool of Automation, Nanjing University of Posts and Telecommunications, No. 9, Wenyuan Road, Nanjing 210023, ChinaSchool of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaSchool of Automation, Nanjing University of Posts and Telecommunications, No. 9, Wenyuan Road, Nanjing 210023, ChinaNARI Technology Inc., No. 19, Chengxin Road, Nanjing 211106, ChinaThis paper proposes three probability models to assess the impact of communication delays and bit errors on differential protection. First, the mechanism of relay protection malfunction caused by communication delays and bit errors is introduced. In general, a channel’s consistent delay or bit error results in refuse-operations, while a channel’s inconsistent delay normally causes false trips. Based on the analysis of the probability distributions of communication delays and bit errors, probabilistic models of false trips and refuse-operations are proposed. Simulation results, using typical parameters, are implemented to investigate the effects of communications on the malfunction probability of differential protection.http://www.mdpi.com/1996-1073/8/4/2454communication delaybit errorcurrent differential protectionfalse triprefuse-operationprobability |
| spellingShingle | Yingjun Wu Manli Li Yi Tang Rong Fu Ming Ni Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors Energies communication delay bit error current differential protection false trip refuse-operation probability |
| title | Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors |
| title_full | Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors |
| title_fullStr | Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors |
| title_full_unstemmed | Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors |
| title_short | Reliability Analysis Models for Differential Protection Considering Communication Delays and Errors |
| title_sort | reliability analysis models for differential protection considering communication delays and errors |
| topic | communication delay bit error current differential protection false trip refuse-operation probability |
| url | http://www.mdpi.com/1996-1073/8/4/2454 |
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