| 变压器比率制动式差动保护灵敏度分析 |
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| 引用本文： | 许建安. 变压器比率制动式差动保护灵敏度分析[J]. 水电能源科学, 2009, 27(1) |
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| 作者姓名： | 许建安 |
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| 作者单位： | 福建水利电力职业技术学院,福建,永安,366000 |
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| 摘 要： | 分析了Y,d11变压器内部发生两相金属性短路故障时变压器绕组、电流互感器及加入差动保护回路的电流分布,得出微机变压器比率制动式差动保护灵敏系数计算方法.
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| 关 键 词： | 相位补偿 比率制动 变压器差动保护 电流分布 灵敏系数 |
Analysis of Sensitivity of Ratio-restrained Differential Protection for Transformer |
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| XU Jian''an. Analysis of Sensitivity of Ratio-restrained Differential Protection for Transformer[J]. International Journal Hydroelectric Energy, 2009, 27(1) |
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| Authors: | XU Jian''an |
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| Affiliation: | Fujian Water Conservancy and Power Professional Technical College;Yongan 366000;China |
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| Abstract: | The current distribution of transformer winding,current transformer and loop-adding differential protection during two-phase short circuit fault inside Y,d11 transformer is analyzed. And the sensitivity coefficient of ratio braking style of microcomputer based transformer differential protection is also calculated. |
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| Keywords: | phase compensation ratio-braking differential protection of transformer current distribution sensitivity coefficient |
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