| 同塔混压四回电力线路电磁环境分析 |
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| 引用本文： | 金启海,罗玉鹤,江炯,庞红旗.同塔混压四回电力线路电磁环境分析[J].供用电,2012,29(3):69-73. |
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| 作者姓名： | 金启海 罗玉鹤 江炯 庞红旗 |
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| 作者单位： | 1. 宁波市电力设计院有限公司,浙江宁波,315021
2. 宁波电业局,浙江宁波,315021 |
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| 摘 要： | 电磁环境问题是制约同塔多回线路建设的一个关键问题.介绍了宁波市电力设计院有限公司设计的220、110kV同塔混压四回电力线路的4种主要杆塔类型,以其中一种杆塔为例,计算了工频电场、工频磁场、无线电干扰和可听噪声这4个方面对电磁环境的影响,提出了改善电力线路电磁环境的措施,最后讨论了220、110kV同塔混压四回路电力线路的最优、最差相序布置方式.
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| 关 键 词： | 同塔混压四回电力线路 电磁环境 工频电场 |
Analysis of Electromagnetic Environment for Mixed-Voltage Quadruple-Circuit Line on the Same Tower |
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| Jin Qihai
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Luo Yuhe
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Jiang Jiong
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Pang Hongqi.Analysis of Electromagnetic Environment for Mixed-Voltage Quadruple-Circuit Line on the Same Tower[J].Distribution & Utilization,2012,29(3):69-73. |
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| Authors: | Jin Qihai Luo Yuhe Jiang Jiong Pang Hongqi |
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| Affiliation: | 1. Ningbo Electric Power Design Institute, Ningbo 315021, Zhejiang Chinas, 2. Ningbo Electric Power Bureau, Ningbo 315021, Zhejiang China) |
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| Abstract: | Electromagrietic environment is a key problem to restrict the construction of multiple-circuit line on the same tower. Four types of 220-110 kV mixed-voltage quadruple-circuit line on the same tower designed by Ningbo Electric Power Design institute are introduced. Taking one of the towers for example, four factors influencing to electromagnetic environment, including power frequency electric field, power frequency magnetic field, radio interference and audible noise are calculated. In addition, the measures to improve electromagnetic environment of power lines are also proposed. Finally, optimized and worst phase sequence arrangement of 220-110 kV mixed-voltage quadruple-circuit line on the same tower are discussed. |
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| Keywords: | mixed-voltage quadruple-circuit line on the same tower electromagnetic environment power fre-quency electric field |
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