| 电网频率变化对水轮发电机组影响及其应对措施研究 |
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| 引用本文： | 任洪涛,冯真秋.电网频率变化对水轮发电机组影响及其应对措施研究[J].大电机技术,2017(6). |
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| 作者姓名： | 任洪涛 冯真秋 |
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| 作者单位： | 华东勘测设计研究院有限公司,杭州,311122 |
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| 摘 要： | 研究了电网频率变化对水轮发电机组气隙磁场过饱和、发电机中性点接地装置、阻尼绕组温升及铁心损耗的影响。提出限制发电机运行方式、接地方式等应对策略,保证水轮发电机组能在频率不稳定的电网中可靠运行,为海外工程水轮发电机组选型及运行提供参考。
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| 关 键 词： | 电网频率变化 水轮发电机组 发电机中性点接地装置 |
Research on the Influence of Power Grid Frequency Change to the Turbine Generator Unit and Its Countermeasure |
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| REN Hongtao,FENG Zhenqiu.Research on the Influence of Power Grid Frequency Change to the Turbine Generator Unit and Its Countermeasure[J].Large Electric Machine and Hydraulic Turbine,2017(6). |
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| Authors: | REN Hongtao FENG Zhenqiu |
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| Abstract: | The paper analyzes the influence of power grid frequency's variation on air-gap magnetic field of hydro-generator units, the generator neutral grounding device, the damping winding temperature rise and core loss. The paper puts forword some countermeasures to limit the operation mode and grounding mode of generator, ensuring that the hydrogenerator can operate reliably in an unstable power grid, and provides reference for the selection and operation of oversea engineering hydro-generator sets. |
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| Keywords: | power grid frequency change hydro-generator sets generator neutral grounding device |
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