| 500kV变压器调压挡位设置的指标和方法研究 |
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| 引用本文： | 温文秀,刘瀚林,张勇军,潘文博.500kV变压器调压挡位设置的指标和方法研究[J].供用电,2011,28(5):57-60,84. |
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| 作者姓名： | 温文秀 刘瀚林 张勇军 潘文博 |
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| 作者单位： | 1. 广东电网公司梅州供电局,广东梅州,514021
2. 华南理工大学电力学院,广东广州,510640 |
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| 摘 要： | 对500kV变压器调压挡位的合理设置,将直接影响相关上下层电网的无功电压分布和电压水平。首先建立了变压器调挡的数学模型,分析变压器调压挡位变动时对电网无功电压的影响机理,进而提出了电压合格覆盖率指标、变压器挡位设置原则和调压挡位确定方法,最后通过对广东梅州电网的仿真计算,验证该方法进行调压挡位设置可满足各种运行方式,效果明显。
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| 关 键 词： | 变压器调压挡 无功电压 电压合格覆盖率 |
Index and Method Research on Tap Changer Setup of 500 kV Transformer |
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| Wenwenxiu,Liu hanlin,Zhang yongjun,Pan wenbo.Index and Method Research on Tap Changer Setup of 500 kV Transformer[J].Distribution & Utilization,2011,28(5):57-60,84. |
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| Authors: | Wenwenxiu Liu hanlin Zhang yongjun Pan wenbo |
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| Affiliation: | Wen wenxiu1,Liu hanlin2,Zhang yongjun2,Pan wenbo1(1.Meizhou Power Supply Company,Guangdong Power Grid Co.,Meizhou 514021,Guangdong China,2.South China University of Technology,Guangzhou 510640,Guangdong China) |
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| Abstract: | The proper tap changer setup of 500 kV transformer can directly affect the upper and lower grid var voltage distribution and voltage value.Firstly mathematics model of transformer tap changer is built up.The influence mechanism of tap changing on var voltage in network is analyzed,index of qualified voltage coverage is submitted together with tap changer setup protocol and decision-making method of tap level.Finally the simulation on Guangdong Meizhou network proves this method can setup the tap changer to ... |
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| Keywords: | tap changer of transformer inactive voltage qualified voltage coverage |
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