| 汽轮发电机定子接地保护方案及灵敏度分析 |
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| 引用本文： | 孙学文,孙鹏.汽轮发电机定子接地保护方案及灵敏度分析[J].大电机技术,1999(1):52-55. |
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| 作者姓名： | 孙学文 孙鹏 |
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| 作者单位： | [1]湖北电力调度通信局 [2]华北电力大学 |
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| 摘 要： | 用数字仿真方法对零序（基波和三次谐波）电压原理的发电机定子接地保护进行分析，比较各种原理三次谐波电压保护的优缺点，指出微机定子接地保护在灵敏度和可靠性方面的优越性。
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| 关 键 词： | 汽轮发电机 定子 接地保护 灵敏度 发电机 |
Schemes and Sensitivity Analyzing of Turbo generator Ground Fault |
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| Sun Xuewen.Schemes and Sensitivity Analyzing of Turbo generator Ground Fault[J].Large Electric Machine and Hydraulic Turbine,1999(1):52-55. |
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| Authors: | Sun Xuewen |
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| Affiliation: | Sun Xuewen (Power Dispatching & Communication Bureau of Hubei Province)Sun Peng (North China Electrical Power University Dept. of Electric Power Engineering) |
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| Abstract: | Digital simulations for generator stator ground fault protection schemes based on the theory of zero sequence voltage are presented The authors also analyze and compare various schemes of coventional theories, give the conclusion that microcomputer based protection schemes have many outstanding advantages in sensitivity and reliability. |
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| Keywords: | generator stator ground fault protection sensitivity |
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