Abstract
The integration of photovoltaic systems in electrical installations enables a better control of energy bills and green power supply. Despite the undeniable environmental and economical benefits, the photovoltaic integration may lead to a side-effect - a power factor degradation of the electrical installation. This paper presents a methodology to correct the power factor through an algorithm-based control of the photovoltaic system. The proposed methodology consists of calculating the set point of the photovoltaic inverters in function of the targeted power factor at the point of common coupling, the loads' active and reactive power and the photovoltaic power production capacity. The set points are adjusted if needed in function of the inverters' operation area and complementary photovoltaic control strategies. The proposed methodology allows to correct the power factor at the point of common coupling rapidly and with very high accuracy, and thus to avoid reactive power excess charges and optimize the economical benefits of the photovoltaic system.
Published Version
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