Optimal Scheduling of demand response resources and distributed energy resources for peak management

Document Type : Original Article

Authors

Department of Electrical Engineering, Faculty and Research Institute of Passive Defense and Engineering, Imam Hossein University, Tehran, Iran

10.22059/ses.2022.90569

Abstract

With the warming of the weather conditions and significant load growth in the distribution sector, peak management in power systems has become an essential issue in hot seasons, and demand response programs are one of the most suitable common methods for managing peak. In this article, the authors propose a new approach to network peak management in critical conditions by the distribution company. This approach is the optimal scheduling of distributed energy sources and various demand response resources to reduce the network's peak consumption during critical peak hours and with the lowest cost. Demand response resources in this article include the three critical peak pricing, incentive-based load curtailment, and emergency load response, which the distribution company implements. The problem is optimized using a robust complex number linear programming and considering the power uncertainty of renewable resources. Providing a peak price 14% larger than the peak price of the normal tariff can bring a suitable load impact from the critical peak program customers in the network. The participation of customers in the load curtailment program in the beginning and end hours of peak management is equal to 30% and 20% of the customer's baseline. Considering the risk related to solar production, power contribution in this program increases by 117 and 74 kilowatts for the same hours. Adopting a risk-averse strategy increases the cost by 745 $ for the distribution company and the reason is the increase in curtailment of 120 kW through the emergency demand response program.

Keywords


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