Journal of Electrical Engineering ›› 2023, Vol. 18 ›› Issue (1): 153-159.doi: 10.11985/2023.01.017

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Integrated Energy System Considering Demand Response Uncertainty Research on Optimal Scheduling

LI Ning1(), SUN Wenhui2(), BI Yunfan3(), ZHANG Zhisheng1()   

  1. 1. College of Electrical Engineering, Qingdao University, Qingdao 266071
    2. Qingdao Metro Group Co., Ltd., Qingdao 266100
    3. Qingdao Branch of China Mobile Shandong Co., Ltd., Qingdao 266071
  • Received:2021-09-27 Revised:2021-11-25 Online:2023-03-25 Published:2023-04-19

Abstract:

In order to reduce the uncertainty of demand side response in system scheduling and improve the flexibility of load side response during the integrated energy system operation, a comprehensive energy system optimal scheduling study considering demand response uncertainty and load forecasting error is established. Through the electrical joint demand response, the output of each unit in each period shall be reasonably arranged on the premise of ensuring the stable operation of the IES system. The objective function is transformed into an opportunity function to maximize the probability of event establishment in an uncertain environment by using relevant opportunity programming, so as to solve the model. Through the priority algorithm in multi-objective programming, the multi-objective programming is transformed into single objective programming, PSO algorithm is used to solve this model. The feasibility and economy of the model are verified by the simulation analysis of a practical example.

Key words: Integrated energy system, demand response, power balance equation, relevant opportunity planning, uncertainty

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