| 山西电网500kV三相共体变压器的选型研究 |
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| 引用本文： | 王刚.山西电网500kV三相共体变压器的选型研究[J].山西电力,2014(4):22-25. |
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| 作者姓名： | 王刚 |
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| 作者单位： | 中国能源建设集团山西省电力勘测设计院,山西太原030001 |
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| 摘 要： | 针对500 kV变电站单相和三相共体变压器,分别从绝缘水平、冷却方式、主分接阻抗和损耗等几个方面进行了分析对比。对三相共体变压器的运输方案、现场组装技术和场地布置情况进行了研究。通过对500 kV变电站主变压器的选型研究,证明采用三相共体变压器,既可以节约整个工程的占地面积,又降低了投资造价。
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| 关 键 词： | 变压器 短路阻抗 绝缘水平 |
Research on the Selection of 500 kV Three-phase Transformer for Shanxi Power Grid |
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| WANG Gang.Research on the Selection of 500 kV Three-phase Transformer for Shanxi Power Grid[J].Shanxi Electric Power,2014(4):22-25. |
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| Authors: | WANG Gang |
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| Affiliation: | WANG Gang (Shanxi Electric Power Exploration ＆ Design Institute of China Energy Engineering Group Co., Ltd., Taiyuan, Shanxi 030001, China) |
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| Abstract: | Single-phase and three-phase transformers at 500 kV substation are analysed from the aspects of insulation level, cooling methods,main connector impedance and tap impedance etc.. Then,the transportation plan,field assembly technology and site layout for three-phase transformer are studied. The research on the selection of main transformer for 500 kV substation leads to the conclusion that choosing three-phase transformer is not only area-saving but also cost-saving. |
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| Keywords: | transformer short-circuit impedance insulation level |
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