DETERMINING REACTIVE POWER CAPABILITY OF A RENEWABLE ENERGY SYSTEM

摘要

Systems and methods for controlling a renewable energy system based on actual reactive power capability of the renewable energy system are provided. The reactive power output of the renewable energy system can be controlled based at least in part on an initial reactive power limit. The initial reactive power limit can be determined based on rated reactive power for the power generation units in the renewable energy system. When a difference between a reactive power demand and the actual reactive power production of the renewable energy system fall outside a threshold, the initial reactive power limit can be adjusted to a corrected reactive power limit that is closer to the actual reactive power capability of the renewable energy system.

主权项

1. A method for controlling a renewable energy system, comprising:
controlling, by one or more control devices, a reactive power output for a renewable energy system based at least in part on an initial reactive power limit for the renewable energy system; determining, by the one or more control devices, a difference between a reactive power demand and an actual reactive power production for the renewable energy system; wherein when the difference falls outside a threshold, the method comprises:
determining, by the one or more control devices, a correction factor for the initial reactive power limit;adjusting, by the one or more control devices, the initial reactive power limit to a corrected reactive power limit based at least in part on the correction factor; andcontrolling, by the one or more control devices, the reactive power output for the renewable energy system based at least in part on the corrected reactive power limit; detecting, by the one or more control devices, the difference returning to within the threshold; and in response to detecting the difference returning to within the threshold, controlling, by the one or more control devices, the reactive power output based at least in part on the initial reactive power limit.