| 大型水轮发电机绝缘试验与思考 |
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| 引用本文： | 刘仁秀.大型水轮发电机绝缘试验与思考[J].大电机技术,1990(1):15-21,8. |
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| 作者姓名： | 刘仁秀 |
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| 作者单位： | 甘肃省电力试验研究所 |
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| 摘 要： | 本文就某水电厂TS1260/200-48型、225MW、15.75kV发电机(1、2号机)定子绝缘在预防性试验中常出现热态耐压击穿现象和环氧粉云母绝缘电性能下降的临界值进行了研究。针对耐压试验值和性能下降的临界值问题提出了看法。
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| 关 键 词： | 水轮发电机 绝缘试验 |
The Insulation Test of Stator Winding for Large Hydrogenerator and Pondering over It |
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| Liu Renxiu.The Insulation Test of Stator Winding for Large Hydrogenerator and Pondering over It[J].Large Electric Machine and Hydraulic Turbine,1990(1):15-21,8. |
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| Authors: | Liu Renxiu |
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| Affiliation: | Gansu Electric Power Research Institute |
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| Abstract: | The electric breakdown of a stator winding insulation at thermal state and reducing of the electric properties of epoxy-mica paper insulation, often occurred in the preventive test of two TS1260/200-48,225MW,15.75kV hydrogenerators for a certain water power station, have been studied.In this paper, some views on the test voltage values of the resistance voltage test and a critical value on the reducing of the electric properties are presented. |
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| Keywords: | large hydrogenerator insulation test |
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