限电条件下光伏方阵改造方案分析

Analysis of PV array renovation under the condition of power rationing

以青海格尔木某光伏电站改造工程为例,对项目地太阳能资源及发电量进行了分析,提出了系统改造方案,对组件、逆变器进行了选型。在限电条件下,对改造前后发电量的变化进行了理论计算,得出了光伏电站限功率运行下损失的发电量比例。

Taking the photovoltaic power plant renovation project（ Golmud,Qinghai） as an example,solar energy resource and power generation are analyzed.The scheme of system improvement is put forward.Photovoltaic modules and inverter are selected.In the condition of power rationing,the change of power generation before and after the renovation is theoretically calculated.The loss of power generation under the limited power operation of the photovoltaic power station is obtained.