Clearing Model of Homogeneous Quotation for Renewable Energy in Spot Market Based on Improved Quadratic Planning Algorithm

被引：0

作者：

Chen Z. ^{[1
]}

Zhang T. ^{[2
]}

Yang C. ^{[1
]}

Wu F. ^{[1
]}

Han J. ^{[1
]}

Chen X. ^{[2
]}

机构：

[1] State Grid Gansu Electric Power Company, Lanzhou

[2] Beijing TsIntergy Technology Co., Ltd., Beijing

来源：

Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2021年 / 45卷 / 13期

关键词：

Quadratic planning; Renewable energy; Security-constrained economic dispatch; Spot market;

D O I：

10.7500/AEPS20200630011

中图分类号：

学科分类号：

摘要：

With the increasingly prominent advantage of wind power and photovoltaic power generation costs, the problem of multiple optimal solutions caused by the same price of the unit group appears during the clearing process of the spot market with a high proportion of renewable energy. Multi-solution problems will lead to the randomness of clearing results in the spot market, which is difficult to analyze after the event and brings risks to the operation of the electricity market. Based on the construction background of Gansu spot market in China, this paper adopts a two-stage quadratic planning equilibrium proportional model, which realizes the balanced output of units with the same quoted price according to the mid- and long-term settlement electricity ratio. The model quantifies the balanced ratio target through quadratic planning, and uses two-stage clearing to strictly distinguish the operation economy of the system and the priority of safety goals in the spot market environment. Finally, the actual data of the settlement trial operation in Gansu spot market is used to verify the effectiveness of the proposed clearing model. © 2021 Automation of Electric Power Systems Press.

引用

页码：117 / 124

页数：7

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