考虑功能差异的输变电项目效益评价及投资优化方法

doi:10.11930/j.issn.1004-9649.201902001

中国电力 ›› 2019, Vol. 52 ›› Issue (11): 175-184.DOI: 10.11930/j.issn.1004-9649.201902001

• 技术经济 • 上一篇

考虑功能差异的输变电项目效益评价及投资优化方法

汪志才¹, 蔡晔¹, 谭玉东², 谢欣涛², 蒋郑伟¹, 凌明娟¹

1. 长沙理工大学电气与信息工程学院, 湖南长沙 410114;
2. 国网湖南省电力有限公司经济技术研究院, 湖南长沙 410004

收稿日期:2019-02-01 修回日期:2019-08-02 出版日期:2019-11-05 发布日期:2019-11-05
通讯作者: 蔡晔(1988-),女,通信作者,博士,从事电力系统稳定性分析及建模方法研究,E-mail:caiye@csust.edu.cn
作者简介:汪志才(1991-),男,硕士,从事电力系统稳定性分析及建模方法研究,E-mail:407928272@qq.com;谭玉东(1983-),男,博士,高级工程师,从事主网规划与评审等工作,E-mail:tanyudong@126.com
基金资助:
国家自然科学基金青年基金资助项目（51607011），国网科技项目（5216D114000A），湖南省教育厅优秀青年项目（17B006）

A Method for Benefit Evaluation and Investment Optimization Considering Functional Differences in Transmission and Transformation Projects

WANG Zhicai¹, CAI Ye¹, TAN Yudong², XIE Xintao², JIANG Zhengwei¹, LIN Minjuan¹

1. Changsha University of Science &Technology, School of Electrical & Information Engineering, Changsha 410114, China;
2. State Grid Hunan Electric Power Company Limited, Changsha 410004, China

Received:2019-02-01 Revised:2019-08-02 Online:2019-11-05 Published:2019-11-05
Supported by:
This work is supported by Natural Science Foundation for Young Scholar(No.51607011), State Grid Science and Technology Projects(No.5216D114000A), Outstanding Youth Program of Education Department of Hunan Province(No.17B006)

摘要/Abstract

摘要： 随着电力体制改革的深入，中国输电网建设投资趋势已由粗方式增长转变为高质量发展，提出考虑功能差异的输变电项目投资效益评价及优化方法对于提升输电网精细化投资具有重要意义。为实现对不同功能输变电项目投资效益的精准评价，首先对输变电项目按功能进行分类，根据不同功能项目在满足功能方面的主要效益，考虑项目的经济和社会效益建立了功能差异的投资效益评价指标体系；其次将图论和最优化理论引入到指标权重的计算中，提出指标的图模型赋权方法，以区分不同功能的项目效益差异性和降低现有赋权方法存在主观误差。最后结合项目评价结果、输电网现状规模以及投资约束条件，建立了按项目功能分类的投资分配和项目优选模型。以湖南地区220 kV输变电项目库为例开展分析，验证了该方法能有效量化不同功能输变电项目的投资效益水平，并有助于提升输电网的精益化投资效益。

关键词: 输变电项目, 功能差异, 投资效益, 图模型, 权重, 投资优化

Abstract: With the deepening of reform in power system, the investment of transmission network construction in China tends to transit from extensive growth to high-quality development. Therefore, for the purpose of refining the investment approach of the power grid, it is of great significance to propose an investment benefit evaluation and optimization method by taking account of the functional differences of transmission and transformation projects. In order to accurately evaluate the benefits of transmission and transformation projects with different functions, firstly, an evaluation index system of transmission and transformation projects including the functional differences specified was established considering the benefits of technology, economy and society, according to the functional classification of the projects, and based on the main benefits of different functional projects in terms of the functionalities provided. Secondly, the graph theory and optimization theory was introduced to calculate the weights of indexes, and corresponding method was put forward to distinguish the difference of project benefits and reduce the subjective error in the existing method. Finally, an investment allocation and project optimization model classified by project function was established based on the project evaluation results in combination with the present status and scale of the power grid as well as the investment constraints. Taking the 220 kV transmission and transmission projects in Hunan as the example, it is verified that the proposed method can effectively quantify the investment benefit of different functional transmission and transformation projects, and is helpful to improve the investment efficiency of the power grid.

Key words: transmission and transformation projects, functional difference, investment efficiency, graph model, weight, investment optimization

中图分类号:

TM74

汪志才, 蔡晔, 谭玉东, 谢欣涛, 蒋郑伟, 凌明娟. 考虑功能差异的输变电项目效益评价及投资优化方法[J]. 中国电力, 2019, 52(11): 175-184.

WANG Zhicai, CAI Ye, TAN Yudong, XIE Xintao, JIANG Zhengwei, LIN Minjuan. A Method for Benefit Evaluation and Investment Optimization Considering Functional Differences in Transmission and Transformation Projects[J]. Electric Power, 2019, 52(11): 175-184.

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考虑功能差异的输变电项目效益评价及投资优化方法

A Method for Benefit Evaluation and Investment Optimization Considering Functional Differences in Transmission and Transformation Projects

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考虑功能差异的输变电项目效益评价及投资优化方法

A Method for Benefit Evaluation and Investment Optimization Considering Functional Differences in Transmission and Transformation Projects

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