大规模部署微电网的空气质量评估
G Razeghi1, M Mac Kinnon1, K Wu1
1Advanced Power and Energy Program, University of California, Irvine, CA 92697-3550, USA.
The Science of the total environment
|July 11, 2024
概括
燃气轮机 (CGT) 微电网的大量部署对城市公共卫生产生了重大影响,特别是在弱势社区. 零排放燃料电池 (FC) 微电网提供了一个更健康的替代方案,减轻死亡率和降低成本.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 能源系统工程 能源系统工程
背景情况:
- 微电网越来越多地被部署,以提高电网抗断的弹性.
- 在微电网中分布式发电将排放转移到城市地区,影响空气质量和健康.
- 评估微电网部署对健康和空气质量的影响至关重要.
研究的目的:
- 评估在城市环境中广泛采用微电网的空气质量和公共卫生后果.
- 为了比较基于燃气轮机 (CGT) 的微电网与基于零排放燃料电池 (FC) 的微电网的影响.
- 识别与不同微电网场景相关的潜在健康差异.
主要方法:
- 确定用于短期和长期部署的微电网候选人.
- 基于CGT和FC的微电网的空间和时间解析排放的建模.
- 使用空气质量模型来评估健康影响,包括过早死亡和相关成本.
主要成果:
- 广泛的微电网部署显示,整体上空气质量影响最小.
- 基于CGT的微电网由于人口密度导致了严重的健康影响.
- 处境不利的社区面临着CGT微电网带来的不成比例的健康负担.
- 基于FC的微电网显著降低了不良健康结果和相关成本.
结论:
- 虽然微电网提供了弹性,但基于CGT的系统在城市环境中构成重大公共卫生风险.
- 与基于FC的系统一样,零排放微电网对于减轻健康影响和促进环境正义至关重要.
- 微电网部署的政策和技术选择对公共卫生和经济成本有直接影响.
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