新的基于地理信息系统的可持续性指标,用于孤立的光伏系统
1Faculty of Engineering, Helwan University, Cairo, Egypt. r_m_elazab@h-eng.helwan.edu.eg.
Scientific reports
|January 15, 2025
概括
这项研究引入了一种新指标,用于评估光伏 (PV) 系统在偏远地区的可持续性. 双轴跟踪光伏系统提供高输出,但稳定性较低,与固定光伏系统不同.
科学领域:
- 可再生能源系统可再生能源系统
- 可持续能源技术 可持续能源技术
- 太阳能光伏发电是如何实现的
背景情况:
- 可持续的能源解决方案对于孤立系统至关重要.
- 波动的太阳辐射给光伏 (PV) 系统的可持续性带来了挑战.
- 现有的指标可能无法充分捕捉光伏系统在可变条件下的性能复杂性.
研究的目的:
- 开发和验证一种新的指标,用于评估光伏系统在孤立环境中的可持续性.
- 分析不同光伏技术的性能一致性,可变性和弹性.
- 为了比较固定光伏,集中光伏 (CPV) 和双轴跟踪光伏 (DATPV) 系统的可持续性.
主要方法:
- 利用了2017-2019年实时能源生产数据.
- 基于综合地理信息系统 (GIS) 的太阳辐射模型.
- 开发了一种新的可持续性指标,包括绩效的一致性,可变性和弹性.
主要成果:
- 双轴跟踪光伏 (DATPV) 系统产生了最高的能量输出 (在2019年超过300%的能量比率),但表现出显著的性能变化.
- 固定光伏系统表现出卓越的性能稳定性,在2019年实现了0.93的一致性期限和0.87的可持续性得分.
- 集中光伏 (CPV) 系统表现温和,2017年可持续性得分为0.66,可持续性得分为0.66.
结论:
- 在最大限度地获取能源和确保光伏系统的运行稳定性之间存在一种权衡.
- 拟议的指标有效地通过考虑多个性能因素来评估光伏系统的可持续性.
- 这些发现对于优化孤立电力系统的可持续能源管理至关重要.
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