| 广东500kV同塔四回线路相序排列的选择 |
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| 引用本文： | 王晓彤,林集明,班连庚,郑彬,韩彬,钟杰峰,蔡广林,朱志芳.广东500kV同塔四回线路相序排列的选择[J].电网技术,2009(19). |
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| 作者姓名： | 王晓彤 林集明 班连庚 郑彬 韩彬 钟杰峰 蔡广林 朱志芳 |
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| 作者单位： | 中国电力科学研究院;广东省电力设计研究院; |
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| 摘 要： | 文章对采用水平型杆塔、各回路导线呈垂直排列的500kV同塔四回线路参数的不平衡度进行了分析,比较了不同相序排列下的潜供电流和恢复电压、感应电压和感应电流。对于杆塔内侧的五邑—南沙和江门—顺德线路,采用相序3时的感应电压和感应电流仅为采用相序1时的50%左右,其潜供电流和恢复电压也有所降低;而对于杆塔外侧的台山—上稔和糯扎渡—顺德线路,采用相序3时的电磁耦合感应电压和感应电压也低于采用相序1时的情况,其静电耦合感应电压和感应电流、潜供电流和恢复电压则差别不大。为此,推荐广东500kV同塔四回线路采用相序3排列方式。
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| 关 键 词： | 电磁暂态程序 同塔四回线路 不平衡度 相序排列 潜供电流 感应电压 |
Selection of Phase Sequence Arrangement for Guangdong 500 kV Power Transmission Line Adopting Structure of Four Circuits on the Same Tower |
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| WANG Xiao-tong,LIN Ji-ming,BAN Lian-geng,ZHENG Bin,HAN Bin,ZHONG Jie-feng,CAI Guang-lin,ZHU Zhi-fang.Selection of Phase Sequence Arrangement for Guangdong 500 kV Power Transmission Line Adopting Structure of Four Circuits on the Same Tower[J].Power System Technology,2009(19). |
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| Authors: | WANG Xiao-tong LIN Ji-ming BAN Lian-geng ZHENG Bin HAN Bin ZHONG Jie-feng CAI Guang-lin ZHU Zhi-fang |
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| Affiliation: | WANG Xiao-tong1,LIN Ji-ming1,BAN Lian-geng1,ZHENG Bin1,HAN Bin1,ZHONG Jie-feng2,CAI Guang-lin2,ZHU Zhi-fang2(1.China Electric Power Research Institute,Haidian District,Beijing 100192,China,2.Guangdong Electric Power Design Institute,Guangzhou 510663,Guangdong Province,China) |
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| Abstract: | The parameter unbalance factor of 500 kV Guangdong transmission lines adopting the structure of four circuits on the same tower, in which the horizontal type tower is used and the conductors of each circuit are vertically arranged, is analyzed.The secondary-arc currents and recovery voltages as well as induced voltages and currents under different phase sequence arrangements are compared.For transmission lines from Wuyi to Nansha and from Jiangmen to Shunde located at the inner side of the tower, the induce... |
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| Keywords: | electromagnetic transient program(EMTP) four circuits on the same tower unbalance factor phase sequence arrangement secondary-arc current induced voltage |
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