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| 变压器差动保护的探讨 | |
| 引用本文： | 周理. 变压器差动保护的探讨[J]. 煤矿机械, 2007, 28(12): 84-87 |
| 作者姓名： | 周理 |
| 作者单位： | 上海第二工业大学,电子电气工程学院,上海,201209 |
| 摘 要： | 介绍了电力变压器纵联差动保护的工作原理和变压器在运行中保护装置的保护范围。对变压器在差动保护范围内发生短路后的电流分布情况和动作原理进行了比较详细地分析,差动保护装置一旦动作,将同时断开变压器的原、副边侧的断路器(开关),及时把变压器从电网上切除。 |
| 关 键 词： | 变压器 差动保护 短路 电流互感器 |
| 文章编号： | 1003-0794（2007）12-0084-04 |
| 修稿时间： | 2007-07-31 |
Expioitation of Transformer Differential Protect |
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| ZHOU Li. Expioitation of Transformer Differential Protect[J]. Coal Mine Machinery, 2007, 28(12): 84-87 | |
| Authors: | ZHOU Li |
| Affiliation: | Electronic and Electric Engineering Institute, Shanghai Second Polytechnic University, Shanghai 201209, China |
| Abstract: | Job elements in vertical differential protect of electric transformer and protect bound in course of electric transformer are introduced. Expound differential protector current distributing and action elements in short circuit of protect bound. Acted protector of differential, switch opening, transformer excise from power supply. |
| Keywords: | transformer differential protect short circuit current mutual in ductance |
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