AUTOMATIC VOLTAGE REGULATION FOR PHOTOVOLTAIC SYSTEMS

摘要

A photovoltaic system includes solar cells and photovoltaic inverters configured to convert direct current generated by the solar cells to alternating current. Grid voltage at the point of interconnection (POI) of the photovoltaic system and the power grid is measured and compared to a setpoint. A control signal is generated based on the measured grid voltage. The control signal is provided to the photovoltaic inverters. The control signal is adjusted to cause the photovoltaic inverters to generate or absorb reactive power to respond to transient grid voltage changes.

主权项

1. A method of automatically regulating voltage generated by a photovoltaic system, the method comprising:
measuring a voltage provided by a photovoltaic system to a power grid; providing a control signal to control operation of a photovoltaic inverter or a reactive power source, wherein the control signal is based on the measured voltage; and adjusting the control signal to adjust a reactive power output of the photovoltaic inverter or the reactive power source in response to a change in the measured voltage.