| 500kV线路可移动直流融冰装置的研制和实现 |
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| 引用本文： | 冯炜,吕宏水,吴维宁,朱晓东.500kV线路可移动直流融冰装置的研制和实现[J].电力电子技术,2009,43(10). |
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| 作者姓名： | 冯炜 吕宏水 吴维宁 朱晓东 |
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| 作者单位： | 国网电力科学研究院,江苏南京,210003 |
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| 摘 要： | 输电线路在冬季覆冰会对电网造成严重的破坏.针对中国典型气象条件,计算了500 kV输电线路融化覆冰所需的电流,并结合该计算结果及融冰装置的使用特点,提出了实现500 kV输电线路可移动直流融冰装置的技术方案.在确定技术方案及设计原则的基础上,描述了该方案的实现过程,并给出了该装置对500kV输电线路进行融冰的试验结果.结果表明该装置输出电流达到4kA,线路温升超过40℃,满足500 kV输电线路的融冰需要.
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| 关 键 词： | 输电线路/融冰电流 直流融冰装置 |
Development and Manufacture of Movable Ice-Melting Equipment for 500kV Transmission Line |
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| FENG Wei,L Hong-shui,WU Wei-ning,ZHU Xiao-dong.Development and Manufacture of Movable Ice-Melting Equipment for 500kV Transmission Line[J].Power Electronics,2009,43(10). |
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| Authors: | FENG Wei L Hong-shui WU Wei-ning ZHU Xiao-dong |
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| Affiliation: | FENG Wei,L(U) Hong-shui,WU Wei-ning,ZHU Xiao-dong |
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| Abstract: | The ice-coating of AC transmission line in winter damaged power system severely.The current of the 500 kV transmission lines needed to melt the ice-coating is calculated under the typical weather conditions in China.Combined with the calculated results and the characteristics of the ice-melting devices,the technical solution of movable ice-melting equipment for 500 kV transmission line is presented.The realization of the proposal is discussed based on the technical program and the specific design principle.... |
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| Keywords: | transmission line/ice-melting current direct-current ice-melting equipment |
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