| 110kV母线差动保护升级改造工程中的问题分析 |
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| 引用本文： | 吴文联,徐建平,黄腾.110kV母线差动保护升级改造工程中的问题分析[J].浙江电力,2013(10):58-61. |
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| 作者姓名： | 吴文联 徐建平 黄腾 |
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| 作者单位： | [1]杭州市电力局,杭州310006 [2]浙江省电力公司,杭州310007 |
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| 摘 要： | 总结了220kV变电站新增3号主变压器的扩建工程中，因主接线由双母接线改建为双母单分段而进行母线差动保护升级改造的工程实施过程，强调了一次、二次物理接线位置对应的重要性．指出了母线差动保护改造过程中的注意事项，可为相关工程提供参考。
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| 关 键 词： | 母线差动保护 变电站 双母线单分段 升级改造 |
Analysis on Problems in Upgrade Transformation of Differential Protection of 110 kV Busbar |
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| WU Weng lianI,XU Jian pingz,HUANG Teng.Analysis on Problems in Upgrade Transformation of Differential Protection of 110 kV Busbar[J].Zhejiang Electric Power,2013(10):58-61. |
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| Authors: | WU Weng lianI XU Jian pingz HUANG Teng |
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| Affiliation: | 1. Hangzhou Electric Power Bureau, Hangzhou 310006, China; 2. Zhejiang(Provincial)Electric Power Company, Hangzhou 310007, China) |
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| Abstract: | The paper summarizes the upgrade transformation of differential protection of busbar due to exten- sion of duplicate-busbar to duplicate-busbar single-segmentation in extension project of the newly-added main transformer 3# in 220 kV substation. It lays emphasis on correspondence of the primary and secondary physi- cal wiring position and indicates precautions in transformation of differential protection of busbar, which can provide reference for relevant projects. |
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| Keywords: | busbar differential protection substation duplicate-bus single-segmentation upgrade transfor-mation |
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