| 提高变压器差动保护单相接地短路灵敏度的探讨 |
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| 引用本文： | 许建安. 提高变压器差动保护单相接地短路灵敏度的探讨[J]. 电力系统保护与控制, 2002, 30(6): 54-55 |
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| 作者姓名： | 许建安 |
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| 作者单位： | 福建水利电力学校，福建 永安 366000 |
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| 摘 要： | 通过分析常规的由电磁型差动继电器构成的变压器差动保护及WBH 10 0微机型变压器成套保护装置的相位补偿方式 ,提出微机保护提高变压器内部发生单相接地短路时差动保护灵敏度的方法
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| 关 键 词： | 相位补偿 微机保护 中性点零序电流分量 |
| 文章编号： | 1003-4897(2002)06-0054-02 |
| 修稿时间： | 2001-03-12 |
Discussion on how to improve the sensitivity of transformer differential protection during single-phase ground fault |
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| XU Jian_an. Discussion on how to improve the sensitivity of transformer differential protection during single-phase ground fault[J]. Power System Protection and Control, 2002, 30(6): 54-55 |
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| Authors: | XU Jian_an |
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| Abstract: | By analyzing the phase compensation modes of the WBH_100 microprocessor_based transformer protection and the conventional transformer differential protection constituted by electro_magnetic differential relay, the method to improve the sensitivity of the microprocessor_based transformer differectral protection during single_phase ground short_circuit fault in transformer is put forward. |
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| Keywords: | phase compensation microprocessor_based protection neutral zero_sequence current component |
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