A Novel Two-Stage Unit Commitment Model Incorporating Demand Response for the Integration of Wind Power

Installed wind power capacity keeps rapid increase, but wind power curtailment is becoming increasingly serious. Demand response is a good choice to promote the integration of wind power. This paper builds a two-stage unit commitment model incorporating demand response with the aim of promoting wind energy utilization. Firstly, a price determination model is proposed to find the optimal time-of-use price level to trigger price-based demand response. Secondly, a novel unit commitment model considering incentive-based demand response is established to make the best schedule of both supply side and demand side resources. Then, a numerical study is carried out based on the IEEE 30 bus system, which verifies the effectiveness of the proposed two-stage model. Results show that the model can help to get the lowest cost and emission for power systems. Besides, more wind power can be utilized by virtue of the two sorts of demand response.