Day-ahead Market Clearing Model Compatible with Medium- and Long-term Physical Contracts

被引：0
作者：
Zhang L. [1 ]
Xu C. [1 ]
He Y. [2 ]
Liu R. [2 ]
Chen T. [2 ]
机构：
[1] School of Electrical and Electronic Engineering, North China Electric Power University, Beijing
[2] Northwest Branch of State Grid Corporation of China, Xi'an
来源：
Xu, Chuanlong (xchl101@126.com) | 1600年 / Automation of Electric Power Systems Press卷 / 45期
关键词：
Congestion management; Day-ahead market; Electricity market; Physical contract; Social welfare;
D O I：
10.7500/AEPS20200928001
中图分类号：
学科分类号：
摘要：
The coordination between medium- and long-term physical contract delivery and power grid operation constraints is a key issue to the design of the spot market clearing model in the decentralized market mode. This paper analyzes the characteristics of the European spot market clearing model in the decentralized market mode. According to the difference of electricity trading and dispatch management systems between China and Europe, a market clearing model which achieves coordinated optimization of day-ahead spot transactions, medium- and long-term physical contract delivery and grid congestion management is designed. Under the designed model, generators are allowed to independently decide the start-up and shut-down plans on the next day. The congestion management and Pareto improvement of the electricity generation plan of medium- and long-term physical contracts can be realized through the reverse transaction bidding mechanism, and the model solving problem in the extreme supply and demand situation is solved by introducing the slack variable of supply and demand balance. The simulation results based on IEEE 30-bus system show that the model can adapt to the operation needs of different market scenarios and improve the overall social welfare in the two stages of day-ahead market and real-time balancing. © 2021 Automation of Electric Power Systems Press.
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页码：16 / 25
页数：9
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