Chance‐constrained scheduling model of grid‐connected microgrid based on probabilistic and robust optimisation. Issue 11 (24th April 2018)

• Record Type: Journal Article
• Authors: Liu, Chunyang; Wang, Xiuli; Guo, Jingli; Huang, Minghuang; Wu, Xiong
• Is Part Of: IET generation, transmission & distribution. Volume 12:Issue 11(2018)
• Page Start: 2499
• Page End: 2509
• Publication Date: 2018-04-24
• Subjects: distributed power generation -- power generation scheduling -- power grids -- optimisation -- probability -- Monte Carlo methods -- sampling methods; chance‐constrained scheduling model -- grid‐connected microgrid -- probabilistic model -- robust optimisation -- renewable energy generation -- latin hypercube sampling Monte Carlo method -- fast forward selection algorithm -- probabilistic scheduling model; Electric power production -- Periodicals; Electric power transmission -- Periodicals; Electric power distribution -- Periodicals; 621.3105
• DOI: 10.1049/iet-gtd.2017.1039
• Languages: English
• ISSNs: 1751-8687

Abstract

Abstract : This study presents a chance‐constrained scheduling model based on probabilistic and robust optimisation to handle the uncertainty of renewable energy generation and loads in microgrids. In order to generate appropriate scenarios, a large number of scenarios are generated by a Latin hypercube sampling Monte Carlo method and reduced by a fast forward selection algorithm. With the aggregated scenarios, a probabilistic scheduling model is established to obtain the expectation of schedules in different probability scenario. Aiming at taking full use of the generated scenarios, a robust optimisation is applied to the probabilistic model to consider the worst situations. The scheduling model proposed in this study combines the probabilistic and robust optimisation, in which the probabilistic one utilises the aggregated scenarios to introduce the probability characteristic of uncertainty and the robust one utilises the eliminated scenarios to consider the worst case of uncertainty. Finally, the proposed scheduling model is applied to a designed grid‐connected microgrid, and the simulation results demonstrate the effectiveness of the proposed scheduling model.