An Accurate Investment Method of Power Grid Based on Full Life Cycle Input-Output Benefit

doi:10.11930/j.issn.1004-9649.201708043

Abstract

Abstract: Power grid construction investment continues to grow and needs accurate investment method in power grid planning to improve economic efficiency. In this paper, a new method of the accurate investment of power grid planning (AIMPGP) based on full life cycle input-output benefits is proposed. First, considering the variety of power grid planning investment application scenarios, different scenarios are compared and selected based on input-output benefits, putting forward a comprehensive benefit evaluation index system and an evaluation method of power grid planning in different application scenarios. Secondly, six kinds of typical power grid planning investment scenario are chosen, and two feasible projects are refined for each scenario. Then, the optimal scheme set is divided into rigid demand and elasticity demand. Specifically, when the plan of investment funds is lower than the total investment demand, the rigid demand-type grid investment plan should be satisfied, and the flexible demand-type projects are arranged from high to low according to the investment efficiency level, until the investment plan of the grid project meets all the requirements. Finally, a provincial power grid is analyzed based on the proposed methods to demonstrate its feasibility and practical value.

Key words: power grid planning, typical scenarios, input-output benefits, investment constraints, accurate investment

CLC Number:

TM715

ZHANG Quan, DAI Xianzhong, HAN Xinyang, JIN Xiaoling, ZHANG Wen, CHEN Dan. An Accurate Investment Method of Power Grid Based on Full Life Cycle Input-Output Benefit[J]. Electric Power, 2018, 51(10): 171-177.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201708043

https://www.electricpower.com.cn/EN/Y2018/V51/I10/171

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