Evaluation and Optimization of Power Network Planning Scheme Based on Total-Cost Price

doi:10.11930/j.issn.1004-9649.201908030

Abstract

Abstract: In view of the actual challenges and urgent needs faced by power grid enterprises, a total-cost price model is proposed with consideration construction cost and operation maintenance cost, in which the power flow tracing method and stamp method is used respectively to allocate the power grid construction cost and operation maintenance cost based on the conventional nodal pricing mechanism. Furthermore, an evaluation process for power grid planning scheme is proposed based on the total-cost price model, which takes both security and economy into account, and the IEEE 14 and IEEE 33 bus systems are used to validate the effectiveness of the proposed evaluation method. The numerical simulation results show that the proposed total-cost price model can not only evaluate the power line planning schemes of different voltage classes, but also optimize the investment portfolio of different distribution networks. The research results can provide a quantitative analysis method and decision-making support tool for power grid enterprises to plan power grid investment in the context of new electric power reform.

Key words: locational marginal price, power flow tracing method, total-cost price, power network planning, scheme evaluation

HE Kai, WANG Jianxiao, WANG Jiawei, LI Qiang, WANG Yao, XING Yahong, ZHONG Haiwang. Evaluation and Optimization of Power Network Planning Scheme Based on Total-Cost Price[J]. Electric Power, 2020, 53(3): 66-75.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201908030

https://www.electricpower.com.cn/EN/Y2020/V53/I3/66

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