相互连接方案的性能比较,以减轻太阳能光伏阵列中的部分遮阳损失
Smita Pareek1, Md Fahim Ansari2, Neha Khurana3
1BK Birla Institute of Engineering and Technology, Pilani, Rajasthan, India.
Scientific reports
|July 30, 2025
概括
总交叉绑定 (TCT) 互连通常在部分遮阳下的太阳能光伏阵列中优于串行并行 (SP). 然而,SP因其更简单的布线和安装而被偏爱,在许多场景中提供可比性能.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 光伏技术 光伏技术
背景情况:
- 部分遮阳条件 (PSCs) 显著降低了串联太阳能光伏 (PV) 阵列的功率输出和可靠性.
- 像树木,云和建筑物这样的障碍通常会导致大型光伏装置中的PSC.
- 现有的互连战略旨在减轻PSC期间的电力损失.
研究的目的:
- 为了比较系列平行 (SP) 和全交叉 (TCT) 互连方案在各种部分遮阳模式下的性能.
- 确定最佳的互连策略,以最大限度地提高PSC的光伏系统的发电量.
- 为模拟结果提供实验验证,以提供关于光伏阵列在阴影下性能的模拟结果.
主要方法:
- 对光伏阵列性能进行模拟和实验分析.
- 在不同的遮阳场景下,SP和TCT互连方案之间的输出功率的比较.
- 评估影响互连方案选择的因素,如布线复杂性和安装时间.
主要成果:
- 在大多数部分阴影条件下,TCT互连方案通常比SP方案产生更高的输出功率.
- 在特定的阴影模式下,SP方案可以实现可比或甚至更高的能源发电.
- 在更简单的布线和更短的安装时间方面,SP提供了优势,使其成为一个实用的替代方案.
结论:
- 相互连接方案的选择 (SP与TCT) 应根据具体的阴影模式确定,考虑阴影的行和列的数量.
- 优化互连策略提高了光伏系统的可靠性和效率,即使在PSC期间也确保了峰值性能.
- 由于其性能平衡,成本效益和易于实施,SP互连方案通常是首选的.
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