Voltage control for wind power integrated power systems with synchronous generators and SVCs

This paper proposes a fast voltage control scheme including synchronous generators and static var compensators (SVCs) for power systems with high penetration of wind power. The scheme is able to reduce the fast voltage variations and improve the post-fault voltage dynamics. Taking an industrial power system with high penetration of wind power as an example, a reduced system model has been derived based on phasor measurement units (PMUs). By applying Padé approximation, the time delay of PMU measurements is compensated. Then, a fast voltage control model with synchronous generators and SVCs is established. The solution to the voltage control problem is formulated as a linear quadratic regulator. The industrial power system is used to verify the effectiveness of the proposed control scheme.