| 光纤电流互感器对变压器差动保护影响的探讨 |
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| 引用本文： | 顾力.光纤电流互感器对变压器差动保护影响的探讨[J].供用电,2011,28(6):59-61. |
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| 作者姓名： | 顾力 |
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| 作者单位： | 上海交通大学电子信息与电气工程学院,上海 200240;上海市电力公司浦东供电公司,上海 200122 |
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| 摘 要： | 光纤电流互感器的应用显著改善了继电保护动作的准确性。光纤电流互感器在变压器差动保护的应用,从根本上解决了电磁感应式电流互感器磁饱和造成的差动保护误动作,并使得励磁涌流的暂态保护可以得到实际应用;最后讨论了光纤电流互感器对变压器差动保护的其他影响。
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| 关 键 词： | 光纤电流互感器 变压器 励磁涌流 差动保护 |
Influence Exploration of Optic Fibre Current Transducer on Differential Protection of Transformer |
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| Gu Li.Influence Exploration of Optic Fibre Current Transducer on Differential Protection of Transformer[J].Distribution & Utilization,2011,28(6):59-61. |
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| Authors: | Gu Li |
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| Affiliation: | Gu Li(1.Electronical Information and Electrical Engineering School,Shanghai Jiaotong University,Shanghai 200240,Shanghai China;2.Pudong Power Supply Company,SMEPC,Shanghai 200122,Shanghai China) |
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| Abstract: | Optic fibre current transducer application improves greatly the accuracy of relay protection.Its application in differential protection of transformers resolves the false action problem of differential protection caused by magnetic saturation of electromagnetic current transducers at root,makes transient protection of excited inrush practical.In the end,the other influences of optic fibre current transducer on differential protection of transformers are discussed. |
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| Keywords: | optic fibre current transducer transformer excited inrush differential protection |
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