Power variations of a wind turbine generator connecting to power system

Abstract

Wind turbine generators are driven by stochastically fluctuating wind speeds, and hence the generated power variation causes voltage and frequency change in case of a small power system or an isolated island. To cope with such variations, control strategy for controlling wind turbines is required. Then, this paper presents a new control scheme based on disturbance accommodation control. The result showed that the proposed controller could drastically reduce the power variation.