Reactive Power Control on a Consumer Unit with High Integration of PV Generation

The Federal University of Espírito Santo has acquired 5,441 kWp of solar photovoltaic distributed energy resource (DER), which is being installed on the rooftoop of the buildings of the Goiabeiras Campus in the city of Vitória, Espírito Santo, Brazil. Knowing that the solar plant would decrease the metered power factor, this paper analyzed whether the finance revenue of the DER installation may be increased by the injection of reactive power using the DER inverters. Results allow to state that the revenue may be lightly increased. Nevertheless, the costs of a real implementation are not addressed.