考虑电热混合储能的多能互补协同削峰填谷策略

doi:10.19595/j.cnki.1000-6753.tces.L90405

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摘要针对电网峰谷负荷波动日益严峻的问题,从负荷侧多类型能源深度耦合的角度,提出将电热互补混合储能系统应用于园区削峰填谷控制。基于电化学储能与相变储能系统电-热联合运行模型,综合考虑净负荷方差及运行成本的多属性决策目标,提出含电热混合储能系统的园区削峰填谷策略。并利用随机波动模型对园区负荷进行预测,分析所提策略应对负荷波动的抗风险能力。基于深圳商业园区的算例分析表明,电热混合储能系统能够在保证满足用户热需求的前提下,充分利用电化学储能灵活双向功率控制和相变储能长时间尺度调节能力,有效提升园区削峰填谷效果及运行经济效益。

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	张超
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关键词 ：电热混合储能, 相变储热系统, 多属性决策, 电-热联合削峰填谷

Abstract：In view of the increasingly load fluctuation in power grid, the electro-thermal hybrid energy storage system was firstly proposed for peak-load shifting in integrated energy community, considering the deep coupling of multi-energy on the load side. Based on the hybrid operation model of battery and phase change material energy storage system, an electro-thermal combined peak-load shifting strategy was put forward with multi-attribute decision making, taking load variance and operation cost into consideration. The stochastic volatility model was used to forecast the load of the community, and the anti-risk ability of the proposed strategy to deal with load fluctuation was analyzed. According to the case study of a business community in Shenzhen, the electro-thermal hybrid energy storage system can making full use of the flexible bidirectional charging characteristic of battery energy storage and the long-term scale adjustment ability of phase change material energy storage. And the proposed strategy is capable of effectively promoting the ability of peak-load shifting and improving the operation economic benefits of the community on the premise of meeting the thermal demand of users.

Key words： Electro-thermal hybrid energy storage system phase change material energy storage system multi-attribute decision making electro-thermal combined peak-load shifting

收稿日期: 2020-07-11

PACS:

TM732

基金资助:湖北省电力勘测设计院科技项目“储能在新能源场站中的运行控制与优化配置技术研究”和国家自然科学基金重点项目（51537003）资助

通讯作者: 冯忠楠女,1998年生,硕士研究生,研究方向为新能源发电、储能系统运行与控制。E-mail: fengzhongnan@hust.edu.cn

作者简介: 张超男,1988年生,硕士,工程师,研究方向为新能源发电、储能电站规划设计。E-mail: zhangchaosj@powerchina-hb.com

引用本文:

张超, 冯忠楠, 邓少平, 贾长杰, 卢胜. 考虑电热混合储能的多能互补协同削峰填谷策略[J]. 电工技术学报, 2021, 36(zk1): 191-199. Zhang Chao, Feng Zhongnan, Deng Shaoping, Jia Changjie, Lu Sheng. Multi-Energy Complementary Collaborative Peak-Load Shifting Strategy Based on Electro-Thermal Hybrid Energy Storage System. Transactions of China Electrotechnical Society, 2021, 36(zk1): 191-199.

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