| 扩大内桥接线方式二次回路问题 |
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| 引用本文： | 赵东森,张斌.扩大内桥接线方式二次回路问题[J].防灾减灾工程学报,2018(1):23-27. |
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| 作者姓名： | 赵东森 张斌 |
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| 作者单位： | 国网宁夏电力有限公司银川供电公司,宁夏银川 750011;国网宁夏电力有限公司检修公司,宁夏银川 750011 |
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| 摘 要： | 目前新建、扩建变电站中,扩大内桥接线方式广泛使用。通过对扩大内桥接线方式下2号主变压器电压切换回路进行分析,发现其回路存在造成电压并列的隐患,为消除隐患对回路进行改进。现场试验结果表明:改进后的主变压器电压切换回路成功杜绝了原有隐患,具有良好的工程实用价值。
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| 关 键 词： | 扩大内桥接线 电压回 隐患 |
Discussion of secondary circuits for expanded inter - bridge connection mode |
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| ZHAO Dongsen,ZHANG Bin.Discussion of secondary circuits for expanded inter - bridge connection mode[J].Journal of Disaster Prevent and Mitigation Eng,2018(1):23-27. |
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| Authors: | ZHAO Dongsen ZHANG Bin |
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| Institution: | State Grid Ningxia Yinchuan Power Supply Company, Yinchuan Ningxia 750001 , China; Maintenance Company of State Grid Ningxia Electric Power Co , Ltd , Yinchuan Ningxia 750011 , China |
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| Abstract: | Expanded inter-bridge connection mode is widely used in the new and expanded substa-tion at present. Through the analysis of No. 2 main transformer voltage switch circuits, finds out thecircuit has hidden trouble which can cause voltage paralleling. In order to eliminate the hidden trou-ble, the circuit was improved. The field experimental results show that : the modified main transformervoltage switch circuits succeed to eliminate the original hidden trouble, has better engineering practi- cal value. |
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