钻石型配电网的保护与自愈策略分析
为提升钻石型配电网供电可靠性,配网二次保护系统引入自愈方案.首先,在变电站出口和开关站母线分段处配置不同类型的自愈终端,通过线路光纤差动保护、简易母差保护和分支线过流保护协同,采用光纤手拉手连接的通信模式,确保实现故障的精确定位和快速隔离.其次,优选环内联络开关自愈控制,辅以站间备自投,由此实现正常态单一故障、检修态单一故障和正常态双重故障时,处于非故障段负荷的快速复电.仿真结果表明:所提方法能在最小范围内定位和隔离故障,在0.5 s内恢复非故障段负荷,从而满足供电可靠性需求....
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| Published in | 电力系统保护与控制 Vol. 50; no. 23; pp. 161 - 168 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
国网华东分部,上海 200122%国网上海市电力公司,上海 200122%国网浙江电力公司,浙江杭州 310000%南京智汇电力技术有限公司,江苏南京 211100
01.12.2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
| DOI | 10.19783/j.cnki.pspc.220244 |
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| Abstract | 为提升钻石型配电网供电可靠性,配网二次保护系统引入自愈方案.首先,在变电站出口和开关站母线分段处配置不同类型的自愈终端,通过线路光纤差动保护、简易母差保护和分支线过流保护协同,采用光纤手拉手连接的通信模式,确保实现故障的精确定位和快速隔离.其次,优选环内联络开关自愈控制,辅以站间备自投,由此实现正常态单一故障、检修态单一故障和正常态双重故障时,处于非故障段负荷的快速复电.仿真结果表明:所提方法能在最小范围内定位和隔离故障,在0.5 s内恢复非故障段负荷,从而满足供电可靠性需求. |
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| AbstractList | 为提升钻石型配电网供电可靠性,配网二次保护系统引入自愈方案.首先,在变电站出口和开关站母线分段处配置不同类型的自愈终端,通过线路光纤差动保护、简易母差保护和分支线过流保护协同,采用光纤手拉手连接的通信模式,确保实现故障的精确定位和快速隔离.其次,优选环内联络开关自愈控制,辅以站间备自投,由此实现正常态单一故障、检修态单一故障和正常态双重故障时,处于非故障段负荷的快速复电.仿真结果表明:所提方法能在最小范围内定位和隔离故障,在0.5 s内恢复非故障段负荷,从而满足供电可靠性需求. |
| Author | 金华锋 沈冰 娄为 裘愉涛 |
| AuthorAffiliation | 国网华东分部,上海 200122%国网上海市电力公司,上海 200122%国网浙江电力公司,浙江杭州 310000%南京智汇电力技术有限公司,江苏南京 211100 |
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| Author_FL | JIN Huafeng LOU Wei QIU Yutao SHEN Bing |
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| Author_xml | – sequence: 1 fullname: 娄为 – sequence: 2 fullname: 沈冰 – sequence: 3 fullname: 裘愉涛 – sequence: 4 fullname: 金华锋 |
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| Keywords | 钻石型配电网 可靠性 光纤差动保护 自愈策略 备自投 |
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| Publisher | 国网华东分部,上海 200122%国网上海市电力公司,上海 200122%国网浙江电力公司,浙江杭州 310000%南京智汇电力技术有限公司,江苏南京 211100 |
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| Snippet | 为提升钻石型配电网供电可靠性,配网二次保护系统引入自愈方案.首先,在变电站出口和开关站母线分段处配置不同类型的自愈终端,通过线路光纤差动保护、简易母差保护和分支线过... |
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| Title | 钻石型配电网的保护与自愈策略分析 |
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