Damping of Power and Enhancement of Stability for a Large Offshore Windfarm Using a Rectifier Current Regulator

This paper describes the anlalysis, dynamic modelling and control of power in an induction generator driven by variable speed offshore wind turbine. The generated power is available to the grid via a HVDC link. A control scheme based on PID controller has been developed at the converter stations in order to control the power flow in the HVDC link. The power developed by the generator and power flow across the converter and inverter stations with PID and without PID Rectifier current regulator has been analysed. The eigen value analysis has been performed to check the stability of the entire system.