光伏发电作为传统能源替代者具有着其特殊的优势。屋顶光伏发电系统是解决城市光伏发电用地受限问题的有效方法。首先提出单位供电成本、净现值、单位减排效益三个分析指标;其次研究屋顶光伏系统的经济及环境效益并建立计算模型,最后应用Pvsyst软件对案例进行年发电量仿真,并应用模型进行计算与指标分析。结果表明,屋顶光伏发电系统在城市环境中应用具有较好的经济及环境效益。
Photovoltaic(pv) power generation as alternatives to traditional energy sources has its special advantage. Roof photovoltaic system is the effective method to solve the problem of urban land for photovoltaic power generation limited. First, proposed three analysis indicators include unit power supply cost, net present value and emissions reduction benefits. Second research roof pv system of economic and environmental benefits and establish the calculation model. Finally,use Pvsyst software to produce simulation case, and applies the model to calculate and index analysis. The results showed that the roof photovoltaic power generation system applied in the urban environment has better economic and environmental benefits.