| 故障分量比率差动保护整定值的选取 |
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| 引用本文： | 李晓华,张哲,尹项根,邰能灵,陈德树. 故障分量比率差动保护整定值的选取[J]. 电网技术, 2001, 25(4): 47-50 |
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| 作者姓名： | 李晓华 张哲 尹项根 邰能灵 陈德树 |
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| 作者单位： | 华中科技大学电力系, |
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| 摘 要： | 针对故障发量比率差动保护在运行中存在整定不当造成误动的情况，分析了该差动保护的整定值与制动系数的关系，指出了故障分量差动保护的拐点制动电流不能取得太大。并对故障分量差动保护的整定值选取问题进行了讨论，阐述了故障分量差动保护整定值的选取与常规差动保护的不同，不以将后者照搬到前者上。
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| 关 键 词： | 故障分量 差动保护 整定值 继电保护 电力系统 |
| 文章编号： | 1000-3673 (2001) 04-0047-04 |
| 修稿时间： | 2000-06-29 |
SELECTION OF SETTINGS OF DIFFERENTIAL PROTECTION BASED ON FAULT COMPONENT |
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| LI Xiao-hua,ZHANG Zhe,YIN Xang-gen,TAI Neng-ling,CHEN De-shu. SELECTION OF SETTINGS OF DIFFERENTIAL PROTECTION BASED ON FAULT COMPONENT[J]. Power System Technology, 2001, 25(4): 47-50 |
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| Authors: | LI Xiao-hua ZHANG Zhe YIN Xang-gen TAI Neng-ling CHEN De-shu |
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| Abstract: | In the operation of differential protection based on fault component the maloperation of the device may be caused by inappropriate settings. In the view of braking coefficient, it is pointed out that for differential protection based on fault component a higher value of the braking current in the knee point should not be chosen, and how to select the settings of differential protection based on fault component is discussed. It is expounded that the differential protection based on fault component differs from conventional protective devices, the selection of settings for the latter should not indiscriminately imitate the former. |
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| Keywords: | fault component differential protection settings of protection devices |
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