提高光伏电站发电效益的关键技术与应用

Key Technology and Application of Improving Power Generation Efficiency of Photovoltaic Power Station

为了提高光伏电站运行的经济效益,结合光伏工程设计经验,对光伏项目不同设计阶段中的关键技术优化创新,包括650 Wp以上大功率光伏组件应用设计、倾角间距交叉反馈多因素综合计算技术、光伏发电单元发电效益最大化设计技术、大距离差直流汇流电缆差异化配置技术、升压站设计布置优化等,实现了光伏电站系统设计的优化与集成。该项成果已在多个项目中成功应用,在保证光伏发电安全可靠运行前提下,降低了光伏电站建设与运维成本,提升了光伏电站的社会与经济价值。

In order to improve the operation safety,reliability and economic benefits of photovoltaic power stations,this paper combines the experience of photovoltaic engineering design to optimize and innovate key technologies in the design stage of photovoltaic projects,including the application design of high-power PV modules above 650 Wp,the multi-factor comprehensive calculation technology of inclination spacing cross-feedback,the design technology of maximizing the power generation benefit of photovoltaic power generation units,the differentiated configuration technology of large distance difference DC confluence cable,and the optimization of the design and layout of the booster station,etc.,to realize the optimization and integration of the system design of the photovoltaic power station.The results have been successfully applied in a number of projects,and under the premise of ensuring the safe and reliable operation of photovoltaic power generation,the cost of construction and operation of photovoltaic power station is reduced,and the social and economic value of photovoltaic power station is boosted.