张粒子,张枫,李俊,冯丽,刘波,张萌雨

• 1:华北电力大学电气与电子工程学院
• 2:重庆电力交易中心有限公司

摘要(Abstract)：

根据跨省跨区购售电合同需约定年度电量规模以及分月计划、送受电曲线的新要求,针对我国四川、重庆和云南等水电富集电力系统在未来省内电力供需"丰余枯缺"的市场形势下需要将省间中长期购售电交易与省内电力市场协同优化的问题,基于中长期优化调度模型,构建了水电富集地区丰枯期省间购售电策略优化模型,深入研究了其中基于未来成本函数的长期与中期优化调度模型动态嵌套耦合原理及随机对偶动态规划求解算法。仿真结果表明,与未考虑省间购售电策略的模型相比,所构建模型的综合购电成本仅为前者的3.82%;与以水电发电量最大为优化目标的模型相比,所构建模型能获得与前者相同的水电调度方案,发挥清洁能源效用。利用所构建模型能够优化水电富集地区外送、购入电能交易计划,在保障满足省内枯期和枯水年用电需求的同时,谋求省内用户购电成本最小化和外送电收益最大化。研究可为水电富集地区制定年度分月分周分峰谷平时段购售电交易策略提供理论方法。

关键词(KeyWords)： 水电富集电力系统;中长期优化调度;省间购售电策略;动态耦合;随机对偶动态规划;水电站

Abstract:

Keywords:

基金项目(Foundation): 国网重庆电力公司科技项目“川渝电力市场一体化研究”(SGTYHT/19-JS-215)

作者(Author): 张粒子,张枫,李俊,冯丽,刘波,张萌雨

DOI: 10.13928/j.cnki.wrahe.2021.07.016

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