DIN EN 60904-5-2011 光电设备.第5部分:光电设备(PV)等效电池温度(ECT)的开路电压法测定(IEC 60904-5-2011).德文版 EN 60904-5-2011
Photovoltaic devices - Part 5: Determination of the equivalent cell temperature (ECT) of photovoltaic (PV) devices by the open-circuit voltage method (IEC 60904-5:2011); German version EN 60904-5:2011