Research on Safety Limits of Photovoltaic Permeability Considering Overvoltage Limitation
In this paper, based on the mathematical model of feeder with distributed photovoltaic power supply, the calculation model of safety limit of feeder photovoltaic permeability was analyzed and derived. According to the feeder characteristics of the actual distribution lines with planned photovoltaic capacity access in the whole area, the PV permeability and safety limits of each feeder were calculated under the premise that the deviation of the line voltage can reach the upper limit of the standard to determine the feeder with the risk of overvoltage after planned photovoltaic access. Finally, a case study was carried out on a real roof photovoltaic pilot project. The results show that the proposed method can quickly assess the planned capacity of the distribution network in the pilot area and provide a reference for the orderly development and construction of photovoltaic in the whole area.
entire area photovoltaicphotovoltaic permeabilitydistribution networkovervoltage
万方数据
维普
