Optimal Modeling of Fast Security Correction and Its Application to Multi-layer Power Grid in Market Environment

被引：0
|
作者：
Zang Z. [1 ,3 ]
Chang L. [1 ,3 ]
Miao Y. [2 ]
Hu Z. [2 ]
Zhang Y. [1 ,3 ]
Wang W. [1 ,3 ]
机构：
[1] NARI Group Corporation, State Grid Electric Power Research Institute, Nanjing
[2] East China Branch of State Grid Corporation of China, Shanghai
[3] NARI Nanjing Control System Co., Ltd., Nanjing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2024年 / 48卷 / 09期
关键词：
DC tie-line; electricity market; security correction; unit commitment;
D O I：
10.7500/AEPS20221103001
中图分类号：
学科分类号：
摘要：
Under the conditions of electricity markets, in order to solve the problems of power flow over-limit of transmission lines within the region, and to fully coordinate the multi-layer resources, an optimal modeling method for multi-layer integrated security correction is proposed. In this method, taking the elimination of the power flow over-limit of transmission equipment in the region as the objective, a calculation model is established for one-time adjustment of four correction modes including power output of units, unit commitment scheme, inter-provincial exchanged power, and transmission plan of DC tie-lines. By setting unit commitment screening factors, the calculation efficiency of unit commitment is improved. Finally, a case of a regional-level power grid is adopted for simulation verification. The results show that the established model can eliminate the power flow over-limit of transmission equipment, and can meet the actual operation requirements of engineering. © 2024 Automation of Electric Power Systems Press. All rights reserved.
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页码：171 / 177
页数：6
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