| 一起母线电压降低导致保护动作的实例分析 |
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| 引用本文： | 李宪栋,张宏杰.一起母线电压降低导致保护动作的实例分析[J].水力发电,2004,30(9):21-22. |
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| 作者姓名： | 李宪栋 张宏杰 |
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| 作者单位： | 小浪底水力发电厂,河南,济源,454681 |
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| 摘 要： | 电压降低直接影响到电气设备的正常工作，还会使得系统电流增大导致电流继电器启动，从而保护动作。对小浪底一起母线电压降低导致保护动作实例进行分析研究，以引起对电压管理的重视，从而确保机组、电网的安全运行。
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| 关 键 词： | 母线电压 系统事故 保护动作 小浪底水力发电厂 |
| 文章编号： | 0559-9342(2004)09-0021-02 |
An example analysis of the action of generator's protection because of the decrease of the voltage of busbar |
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| Li Xian-dong,Zhang Hong-jie.An example analysis of the action of generator''''s protection because of the decrease of the voltage of busbar[J].Water Power,2004,30(9):21-22. |
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| Authors: | Li Xian-dong Zhang Hong-jie |
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| Abstract: | The decrease of voltage will directly influence the work of electric equipment and will make the increase of current in the power system, which would lead to start the current relay and then produce the protection action. This article introduces an event about protection action causing by the decrease of busbar voltage in Xiaolangdi hydropower station, in order to make people pay attention to voltage management to ensure the safety and stability of power grid and generating units. |
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| Keywords: | busbar voltage fault of the system protection action Xiaolangdi Hydropower Plant |
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