储热参与电网调峰的技术及商业模式分析Analysis of heat storage technologies and business model in the peak regulation of power grid
姚文卓,章康,陈梦东,马美秀,康伟,陈思艺,韩高岩
YAO Wenzhuo,ZHANG Kang,CHEN Mengdong,MA Meixiu,KANG Wei,CHEN Siyi,HAN Gaoyan
摘要(Abstract):
常规热电厂“以热定电”运行模式和新能源发电的随机性及波动性限制了其调峰能力,通过储热技术参与电网调峰可以优化能源系统的配置能力。分别介绍了显热储热、相变储热和化学能储热3种不同储热技术的基本原理、适宜储热材料、优缺点以其未来发展趋势;综述了国内外不同储热技术参与电力系统调峰的策略和实际调峰项目的应用情况。基于储热技术参与电网调峰面临的特殊工况,指出了储热技术参与电网调峰需考虑的安全性、性能匹配、可靠性和经济性四类关键性评判指标;探讨了储热参与电力交易的主要商业模式,包括合同能源管理模式、两部制电价模式和辅助服务市场模式,为储热技术参与电网调峰及其规模化商业运营提供了一定的参考。
The conventional operation mode of “power determined by heat” employed by thermal power plants, along with the randomness and volatility of new energy power generation, constrains the peak regulation capacity.The incorporation of thermal storage technology into grid peak regulation can optimize the allocation capacity of the energy system. The fundamental principles, appropriate materials, advantages, disadvantages, and future development trends of three different thermal storage technologies, namely, sensible heat storage(SHS), latent heat storage(LHS) and chemical energy storage(CES), are introduced. Furthermore, the strategies of different thermal storage technologies for power system peak regulation at home and abroad as well as the applications of actual peak regulation projects are discussed. Given the special working conditions faced by thermal storage technology in power grid peak regulation, four critical evaluation criteria, including safety, performance matching, reliability and economy that must be considered for thermal storage technology to participate in power grid peak regulation are proposed. The main business models, including energy management contracting(EMC), two-part tariff(TPT), and ancillary service market(ASM) for thermal storage to participate in power trading are explored. These models serve as valuable references for enabling the widespread commercial operation of thermal storage technology within the context of grid peak regulation.
关键词(KeyWords):
储热技术;电网调峰;商业模式;辅助服务;电力市场
thermal storage technology;power grid peak regulation;business model;ancillary service;electricity market
基金项目(Foundation): 浙江省科技计划项目(尖兵计划)(2022C01043);; 国网浙江省电力有限公司科技项目(5211DS20007N)
作者(Author):
姚文卓,章康,陈梦东,马美秀,康伟,陈思艺,韩高岩
YAO Wenzhuo,ZHANG Kang,CHEN Mengdong,MA Meixiu,KANG Wei,CHEN Siyi,HAN Gaoyan
DOI: 10.19585/j.zjdl.202402012
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- 储热技术
- 电网调峰
- 商业模式
- 辅助服务
- 电力市场
thermal storage technology - power grid peak regulation
- business model
- ancillary service
- electricity market