Integration of curtailed wind into flexible electrified heating networks with demand-side response and thermal storage: Practicalities and need for market mechanisms
Integration of curtailed wind into flexible electrified heating networks with demand-side response and thermal storage: Practicalities and need for market mechanisms
复制标题
将弃风纳入具有需求侧响应和蓄热功能的灵活电气化供热网络：市场机制的实用性和需求
DOI：
10.1016/j.enconman.2024.118203
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发表时间：
2024
影响因子：
10.4
通讯作者：
Desguers T
中科院分区：
文献类型：
--
作者：
Desguers T
可再生能源在电气化能源系统中的渗透率越来越高，导致最终必须缓解的限电水平越来越高。系统灵活性、能量存储和以灵活的加热和冷却需求形式的需求侧响应是减少限电的有效解决方案，但挑战仍然存在，例如能量存储的经济效益和减少限电对消费者的财务影响等。在本文中，减少风能，激励折扣支付，通过灵活的电气化供热网络与需求侧响应和热能储存的缓解与遗传优化算法进行了研究，并从网络运营商和消费者的角度分析了总体成本，技术可行性和水平的减少风的使用。据发现，大规模的热存储降低了成本，并增加了水平的削减风集成，并允许区域供热网络运行几乎完全在其他削减风能（高达97.0%，在这里考虑的例子）。然而，如果没有适当的市场机制，需求侧响应仅在低水平上对所有利益相关者有利;采用分摊成本方法，需要财政激励或市场机制来实现更高水平和更有效的风力削减缓解。
Increasingly high renewable penetration in electrified energy systems causes increasing levels of curtailment that must eventually be mitigated. System flexibility, energy storage and demand-side response in the form of flexible heating and cooling demands are efficient solutions for curtailment mitigation, however challenges remain such as the economic benefits of energy storage and the financial impacts of curtailment mitigation on consumers, among others. In this paper the mitigation of curtailed wind energy, incentivised with discount payments, through flexible electrified heating networks with demand-side response and thermal energy storage is investigated with a genetic optimisation algorithm, and results are analysed in terms of overall costs, technical feasibility and level of curtailed wind use from the perspective of the network operator and consumer. It is found that large-scale thermal storage lowers the cost and increases levels of curtailed wind integration, and allows district heating networks to run almost entirely on otherwise curtailed wind energy (up to 97.0% in the example considered here). However without adequate market mechanisms, demand-side response is financially beneficial to all stakeholders only at low levels; with a split cost approach, financial incentives or market mechanisms are necessary for higher levels of, and more efficient, wind curtailment mitigation.
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