To connect a Photovoltaic system (PV system) to a low voltage (LV) grid a feasibility study was carried out following IEC standards. The study evaluates the connection of a 250 kW solar power plant to LV Section 2. The report example and the network’s single line diagram can be found in the downloadable pdf file down below. All the calculations were performed using EA-PSM Electric software. Learn more about the program. To learn how to conduct such studies in more detail join our hosted online webinar.
Short circuit currents calculations are based on IEC 60909 standard. Network data is depicted below:
Distribution network voltage is controlled with 110/10 kV autotransformers, they ensure that the voltage level is about 10.5 kV at the transformer terminals.
The main characteristics of transformers and low voltage cables are provided in the tables below.
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