换换空调,以提高可再生能源系统在极端天气风险下的可靠性
Lei Zhu1, Zhuang Liang1, Zhihao Yan1
1School of Economics and Management, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing 100191, China.
PNAS nexus
|August 13, 2025
概括
用高效的模型取代旧的室内空调 (RAC) 显著降低了峰值电力需求和成本. 这种升级提高了电力系统的可靠性,特别是在极端天气期间,为减排碳提供了比电池存储更好的价值.
科学领域:
- 能源系统工程 能源系统工程
- 适应气候变化 适应气候变化
- 可持续的电网 可持续的电网
背景情况:
- 住宅供暖和冷却负载严重影响电力系统,特别是在极端天气事件期间.
- 过时的室内空调 (RAC) 单元对峰值电力需求和能源效率低下做出了重大贡献.
- 中国向绿色电力系统的过渡需要战略来管理不断升级的住宅能源消耗.
研究的目的:
- 分析极端天气对中国南部城市电力需求和供应的影响.
- 评估用高效率模型取代现有的RAC单元的潜力.
- 评估RAC替换在碳减排,成本降低和电力系统可靠性方面的作用.
主要方法:
- 模拟中国南部城市的住宅供暖和冷却负载.
- 将模拟负载集成到省级电力调度模型中.
- 将RAC替换与电池存储系统的成本效益和排放减少进行比较.
主要成果:
- 用先进的高效率单元,RAC的更换可以将峰值功率需求降低高达12.2%.
- 与相同预算的电池存储相比,更换RAC单元提供了优越的成本和排放降低.
- 该研究证实了RAC替代对减碳和节省电力系统成本的积极影响.
结论:
- 通过RAC替代来提高住宅能源效率对于中国绿色电力转型至关重要.
- RAC的更换提高了电力系统的弹性,特别是在面对极端天气风险时.
- 这一战略为管理能源需求和供应提供了一种具有成本效益和环境效益的方法.
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