架空地线的损耗特性及节能技术

doi:10.11930/j.issn.1004-9649.2014.9.77.5

中国电力 ›› 2014, Vol. 47 ›› Issue (9): 77-82.DOI: 10.11930/j.issn.1004-9649.2014.9.77.5

架空地线的损耗特性及节能技术

彭向阳, 毛先胤, 胡卫

广东电力科学研究院,广东广州 510080

收稿日期:2014-04-23 出版日期:2014-09-18 发布日期:2015-12-10
作者简介:彭向阳（1971—）,男,湖北黄冈人,硕士,高级工程师（教授级）,从事输电线路及高电压技术工作。E-mail: pigpxy@126.com
基金资助:
南方电网公司重点科技资助项目（K-GD2011-432）

Analysis on Power Loss Characteristics and Efficiency of Energy-Saving Technologies of Overhead Grounding Wires

PENG Xiang-yang, MAO Xian-yin, HU Wei

Guangdong Electric Power Research Institute, Guangzhou 510080, China

Received:2014-04-23 Online:2014-09-18 Published:2015-12-10
Supported by:
This work is supported by Science & Technology Program of China Southern Power Grid (K-GD2011-432)

摘要/Abstract

摘要： 随着电网规模的扩大、输电线路长度的增加,架空地线电能损耗问题日益突出。采用现场测量和仿真计算方法对架空地线电能损耗特性进行研究,得到110 kV~500 kV典型单、双回线路电能损耗定量数据及感应电流、电能损耗特性规律。在此基础上提出架空地线单点接地,地线分段、换位及导地线配合换位等多种节能接地措施,并在广东电网开展节能工程应用。分别在广东电网、南方电网实施架空地线节能工程的投资成本和经济效益表明,架空地线节能技术可大幅降低架空输电线路运行损耗,具有巨大的经济、社会效益,对于实施电网节能降耗、推进绿色电网建设具有重要意义。

关键词: 架空地线, 损耗特性, 接地方式, 节能技术, 节能效益

Abstract: With scale expanding of power grids and length increasing of transmission lines, the power loss of overhead ground wires has become an increasingly prominent problem. Therefore, the power loss characteristics of ground wires through field measurement and computer simulation, and the quantitative data and laws of induced current of 110~500 kV typical single, double circuit transmission line were studied, and a variety of energy-saving measures for overhead ground wire, such as single point grounding, segmentation, transposition, coordinate transposition with overhead conductors and grounding wires, etc., were proposed, which have been applied to Guangdong power grid. It is shown that the energy-saving technologies can make overhead ground wires lossless operation and achieve enormous economic and social benefits basically. In addition, investment costs and economic benefits of energy-saving projects in Guangdong Power Grid and China Southern Power Grid were analyzed, which is of great significance to green power grid construction.

Key words: overhead ground wire, power loss, grounding mode, energy-saving technology, economy analysis

中图分类号:

TM751

彭向阳, 毛先胤, 胡卫. 架空地线的损耗特性及节能技术[J]. 中国电力, 2014, 47(9): 77-82.

PENG Xiang-yang, MAO Xian-yin, HU Wei. Analysis on Power Loss Characteristics and Efficiency of Energy-Saving Technologies of Overhead Grounding Wires[J]. Electric Power, 2014, 47(9): 77-82.

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https://www.electricpower.com.cn/CN/Y2014/V47/I9/77

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架空地线的损耗特性及节能技术

Analysis on Power Loss Characteristics and Efficiency of Energy-Saving Technologies of Overhead Grounding Wires

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架空地线的损耗特性及节能技术

Analysis on Power Loss Characteristics and Efficiency of Energy-Saving Technologies of Overhead Grounding Wires

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