Abstract
The paper presents the realization of a photovoltaic power plant with an output power of 1500 kW on the roof of the "Flash" factory hall in Apatin, Serbia. The solar power plant is connected to the LV bus-bars in the 20/0.4 kV 1600 kVA transformer station and supplies the factory's consumers through them. In periods when there is not enough solar insolation, the power of consumers in the factory is realized from the power grid. The solar power plant contains 3780 mono-crystalline photovoltaic panels, each with a power of 455 W. The roof surface of the building faces southwest - northeast. Photovoltaic panels are installed on the roof surface of the production hall with the administrative part. The specificity of the roof structure composed of two units (a roof with roof slopes and a flat roof) caused a series of design solutions that will be presented in more detail in the paper. The paper also shows the disposition of DC/AC power converters-inverters and their mutual communication, as well as the system for monitoring output parameters (voltage, current, power) and the quality of electricity delivery to consumers in the factory.
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