| 特高压交流试验示范工程主变保护误动作分析 |
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| 引用本文： | 田庆.特高压交流试验示范工程主变保护误动作分析[J].高压电器,2011,47(2):7-11. |
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| 作者姓名： | 田庆 |
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| 作者单位： | 南方电网超高压输电公司检修试验中心,广州,510663 |
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| 摘 要： | 笔者分析了特高压交流试验示范工程系统调试过程中出现的荆门站1000 kV 1号主变压器空充跳闸事件.根据调压补偿变励磁涌流的特点,结合1 000 kV 1号主变压器调压补偿变保护二次谐波制动和波形分析制动的原理.重点分析了1 000 kV 1号主变压器调压补偿变第1套保护装置SGT756和第2套保护装置RCS978C动...
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| 关 键 词： | 特高压交流试验示范工程 励磁涌流 波形对称 调压变 补偿变 误动作 |
Analysis on the Primary Transformer Protection Misoperation in UHV Pilot Project |
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| TIAN Qing.Analysis on the Primary Transformer Protection Misoperation in UHV Pilot Project[J].High Voltage Apparatus,2011,47(2):7-11. |
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| Authors: | TIAN Qing |
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| Affiliation: | TIAN Qing(Test and Maintenance Center,CSG EHV Power Transmission Company,Guangzhou 510663,China) |
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| Abstract: | The protection misoperation of 1 000 kV No.1 transformer in Jingmen Station was studied in this paper when transformer is charged during the system debug of UHV Pilot Project.The principle of second harmonic current restrained and wave symmetry restrained for regulating transformer differential protection was given according to the inrush current characteristic of regulating transformer.The reasons of the misoperation in SGT756 protection equipment and RCS978C protection equipment were analyzed separately.T... |
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| Keywords: | AC UHV pilot project inrush current wave symmetry regulating transformer compensating transformer misoperation |
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