两级电力市场协同方法及其特点

doi:10.11930/j.issn.1004-9649.202003217

中国电力 ›› 2020, Vol. 53 ›› Issue (9): 71-80,116.DOI: 10.11930/j.issn.1004-9649.202003217

• 电力现货市场运行分析与机制设计专栏 • 上一篇下一篇

两级电力市场协同方法及其特点

李晓刚¹, 杨立兵¹, 吴敏¹, 刘岩松², 邹斌², 邵平³

1. 国家电网公司华东分部，上海 200120;
2. 上海大学机电与自动化学院，上海 200072;
3. 中国电力科学研究院，江苏南京 210003

收稿日期:2020-03-30 修回日期:2020-06-30 发布日期:2020-09-09
作者简介:李晓刚(1975—)，男，通信作者，博士，高级工程师，从事电力市场与电力交易、电力经济研究，E-mail：13916235981@139.com;杨立兵(1964—)，男，硕士，高级工程师，从事电力市场与电力交易研究，E-mail：yang_lb@ec.sgcc.com.cn;吴敏(1979—)，男，硕士，高级工程师，从事电力市场与电力交易研究，E-mail：wu_m@ec.sgcc.com.cn
基金资助:
国家电网有限公司华东分部科技项目(促进省间电力资源优化的电力交易激励相容机制研究，529924170008；统一电力市场体系下适合华东电网的省间交易模型与出清算法研究与应用，520800180005)

The Coordination Method and Its Characteristics of Two-Level Electricity Market

LI Xiaogang¹, YANG Libing¹, WU Min¹, LIU Yansong², ZOU Bin², SHAO Ping³

1. East China Branch of State Grid Corporation of China, Shanghai 200120, China;
2. School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China;
3. China Electric Power Research Institute, Nanjing 210003, China

Received:2020-03-30 Revised:2020-06-30 Published:2020-09-09
Supported by:
This work is supported by the Science and Technology Project of East China Branch of State Grid Corporation of China (Research on Incentive-compatible Power Transaction to Optimizing Inter-provincial Power Resource, No.529924170008; Research and Application of Inter-provincial Transaction Model and Clearing Algorithm for East China Power Gird under Unified Power Market System, No.520800180005)

摘要/Abstract

摘要： 省间市场和省内市场之间的协同方法是两级电力市场运行的核心内容，协同方法的具体内容包含两级电力市场的阻塞管理协同及两级电力市场出清的协同。介绍两级电力市场协同的市场裂解方法和基于潮流的省间联合市场方法，比较了2种方法的特点，并给出具体算例说明。市场裂解方法通过电力转移系数计算系统潮流，逐步增加系统中阻塞线路作为市场出清模型的约束条件，通过多轮迭代可以达到与一级市场节点电价相同的市场效果。基于潮流的省间联合市场方法通过区域电力转移系数在各个省净输出已知的情况下计算省间联络线潮流，并在考虑省间联络线潮流约束的情况下，完成省间市场的出清；该方法通过申报省净输出曲线可直接得到省间市场结果，无须多次迭代。市场裂解方法适合于各省省内市场均较为完善情况，而基于潮流的省间联合市场方法则适合于各省省内市场建设程度不一的情况。

关键词: 两级电力市场, 阻塞管理, 市场出清, 节点电价, 电力转移系数

Abstract: The coordination method for provincial market and inter-provincial market is the core for two-level market operation, which includes coordination for two-level market congestion management and coordination for two-level market clearing. Two two-level market coordination methods, including the market splitting method and the inter-provincial flow-based market coupling method are introduced, and their characteristics are discussed with specific cases. The market splitting method calculates the power flow through the power transfer factors, and gradually increases the congested lines in the system as the constraint condition for the market clearing model. Through multiple iterations, the method can achieve the market effect with the same nodal price for the one-level market. The flow-based market coupling method calculates, under the condition that the net export of each province is known, the power flow of the tie lines between provinces through the regional power transfer factor, and achieves the inter-provincial market clearing with consideration of the tie line power flow constraint. The flow-based coupling method can directly obtain inter-provincial market results through the declared provincial net export curves without multiple iterations. The market splitting method is suitable for the case that the provincial market for each province is well constructed, while the flow-based coupling method is suitable for the case that provincial market for each province is different in market perfection.

Key words: two-level power market, congestion management, market clearing, nodal price, power transfer distribution factor

李晓刚, 杨立兵, 吴敏, 刘岩松, 邹斌, 邵平. 两级电力市场协同方法及其特点[J]. 中国电力, 2020, 53(9): 71-80,116.

LI Xiaogang, YANG Libing, WU Min, LIU Yansong, ZOU Bin, SHAO Ping. The Coordination Method and Its Characteristics of Two-Level Electricity Market[J]. Electric Power, 2020, 53(9): 71-80,116.

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两级电力市场协同方法及其特点

The Coordination Method and Its Characteristics of Two-Level Electricity Market

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