变电站继电保护设备状态检修可靠性分析方法研究
为进一步提高保护系统的可靠性,节约供电企业检修成本,需要对变电站继电保护设备状态检修的可靠性进行评估.首先,根据失效模式与影响分析法,分析设备的失效风险因素及影响,选取设备失效的可检度、发生度、严重度三项指标,以变电站线路保护装置本体为例进行风险评估,并提出风险应对策略,以提高继电保护设备的可靠性.其次,引入了状态空间法,分别建立变电站继电保护设备定期检修、状态检修马尔科夫模型,应用220 kV线路保护实例数据验证模型合理性,得出状态检修可提高保护设备可用度的结论.最后,通过仿真对设备可靠性进行综合分析,验证定期检修效率、状态评价系数及定期检修周期对保护设备可靠性的影响....
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| Published in | 电力系统保护与控制 Vol. 49; no. 10; pp. 170 - 177 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
国网安徽省电力有限公司,安徽 合肥 230022%长园深瑞继保自动化有限公司,广东 深圳 518057
16.05.2021
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
| DOI | 10.19783/j.cnki.pspc.200867 |
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| Abstract | 为进一步提高保护系统的可靠性,节约供电企业检修成本,需要对变电站继电保护设备状态检修的可靠性进行评估.首先,根据失效模式与影响分析法,分析设备的失效风险因素及影响,选取设备失效的可检度、发生度、严重度三项指标,以变电站线路保护装置本体为例进行风险评估,并提出风险应对策略,以提高继电保护设备的可靠性.其次,引入了状态空间法,分别建立变电站继电保护设备定期检修、状态检修马尔科夫模型,应用220 kV线路保护实例数据验证模型合理性,得出状态检修可提高保护设备可用度的结论.最后,通过仿真对设备可靠性进行综合分析,验证定期检修效率、状态评价系数及定期检修周期对保护设备可靠性的影响. |
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| AbstractList | 为进一步提高保护系统的可靠性,节约供电企业检修成本,需要对变电站继电保护设备状态检修的可靠性进行评估.首先,根据失效模式与影响分析法,分析设备的失效风险因素及影响,选取设备失效的可检度、发生度、严重度三项指标,以变电站线路保护装置本体为例进行风险评估,并提出风险应对策略,以提高继电保护设备的可靠性.其次,引入了状态空间法,分别建立变电站继电保护设备定期检修、状态检修马尔科夫模型,应用220 kV线路保护实例数据验证模型合理性,得出状态检修可提高保护设备可用度的结论.最后,通过仿真对设备可靠性进行综合分析,验证定期检修效率、状态评价系数及定期检修周期对保护设备可靠性的影响. |
| Author | 黄太贵 赵子根 叶远波 刘宏君 谢民 |
| AuthorAffiliation | 国网安徽省电力有限公司,安徽 合肥 230022%长园深瑞继保自动化有限公司,广东 深圳 518057 |
| AuthorAffiliation_xml | – name: 国网安徽省电力有限公司,安徽 合肥 230022%长园深瑞继保自动化有限公司,广东 深圳 518057 |
| Author_FL | YE Yuanbo XIE Min HUANG Taigui LIU Hongjun ZHAO Zigen |
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| Author_xml | – sequence: 1 fullname: 叶远波 – sequence: 2 fullname: 刘宏君 – sequence: 3 fullname: 黄太贵 – sequence: 4 fullname: 谢民 – sequence: 5 fullname: 赵子根 |
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| Keywords | 可靠性分析 状态检修 继电保护 状态空间法 |
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| Publisher | 国网安徽省电力有限公司,安徽 合肥 230022%长园深瑞继保自动化有限公司,广东 深圳 518057 |
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| Title | 变电站继电保护设备状态检修可靠性分析方法研究 |
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