Stability Enhancement of Power System including Wind Farm by Voltage Control and Virtual Synchronous Generator Control

A huge number of renewable energy sources (RESs) has been connected to the existing power system, which has impact on the power system stability. Especially, the power system with large-scale wind farm (WF) may not be maintained stable during transient period due to the voltage dip caused by a network fault. To solve the power system stability issue, a new cooperative control method composed of the voltage control and the PID Fuzzy Logic Control (FLC) based Virtual Synchronous Generator (VSG) control by High Voltage Direct Current (HVDC) transmission line, a battery, and the LFC hydro power plant is proposed. To confirm the effectiveness of this proposed strategy, power system stability analyses are implemented on PSCAD/EMTDC.