| 惠州220kV三栋变差动保护动作分析 |
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| 引用本文： | 郭全有,樊平,付正伟,罗明亮.惠州220kV三栋变差动保护动作分析[J].电力科学与工程,2011,27(1):66-69. |
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| 作者姓名： | 郭全有 樊平 付正伟 罗明亮 |
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| 作者单位： | 郭全有,樊平,罗明亮,Guo Quanyou,Fan Ping,Luo Mingliang(许继电气股份公司,河南,许昌,461000);付正伟,Fu Zhengwei(吉林省电力建设总公司,吉林,长春,130033) |
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| 摘 要： | 对惠州某变电站差动保护动作原因进行分析。通过对误动保护的定值整定、动作数据、录波报告、运行工况等方面进行分析,得出事故原因是差动保护用电流互感器暂态特性影响。针对差动保护误动的原因,提出来预防改进措施。
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| 关 键 词： | 差动保护 非同期合闸 非周期分量 暂态饱和 波形比较 |
Huizhou 220 kV SanDong Substation Transfcrmer Differential Protection Movement Analysis |
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| Guo Quanyou,Fan Ping,Fu Zhengwei,Luo Mingliang.Huizhou 220 kV SanDong Substation Transfcrmer Differential Protection Movement Analysis[J].Power Science and Engineering,2011,27(1):66-69. |
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| Authors: | Guo Quanyou Fan Ping Fu Zhengwei Luo Mingliang |
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| Affiliation: | Guo Quanyou1,Fan Ping1,Fu Zhengwei2,Luo Mingliang1(1.XJ Electric Co.,Ltd.,Xu chang 461000,China,2.Jilin Provincial Electric Power Construction Main Corporation,Changchun 130033,China) |
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| Abstract: | Differential protection movement of transformer in Huizhou substation was analyzed.Malfunction of protection by setting value,action data,recorded wave report,operating conditions and other aspects of analysis,the cause of the accident is the differential protection of current transformers for transient performance.For differential protection,improve ment prevention measures was provided. |
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| Keywords: | differential protection non-same time switches on non-cyclical component transition condition saturated profile comparison |
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