Evaluations of aggregators and DERs in distribution system operations with uncertainties

Zhi Chen, Meng Wu, Zhechong Zhao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

An aggregator undertakes multiple tasks in smart distribution network such as energy trading, grouping and providing market access to demand response (DR) resources, coordinating distributed generations (DG), efficiently controlling smart appliances of consumers and communicating with the distribution system operator (DSO). In this project, a bi-Ievel model is proposed for a load aggregator of day-ahead energy procurement in a smart distribution system with DR and DG into consideration. The upper level simulates the decision-making process of a load aggregator to maximize its profit through optimal energy purchase and flexible energy management strategy with DG power outputs uncertainties. The decision-maker of the lower level is DSO, who takes the responsibility for the economic dispatch of the distribution system and determines load shedding in a comprehensive way. A single level mixed-integer linear programming (MILP) model is developed for considering two level problems with the idea of mathematical programming problem with equilibrium constraints (MPEC) and Karush-Kuhn-Tucker (KKT) condition. A highly efficient commercial solver CPLEX is utilized to solve the developed model. Finally, a modified IEEE 33-bus distribution system is employed to demonstrate the essential features of the developed model and method.

Original languageEnglish (US)
Title of host publication2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781538635964
DOIs
StatePublished - Aug 17 2018
Event2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Boise, United States
Duration: Jun 24 2018Jun 28 2018

Publication series

Name2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings

Other

Other2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018
CountryUnited States
CityBoise
Period6/24/186/28/18

Keywords

  • Bi-level optimization
  • DER
  • Electricity markets
  • KKT
  • MILP
  • MPEC

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Statistics, Probability and Uncertainty
  • Energy Engineering and Power Technology
  • Statistics and Probability

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    Chen, Z., Wu, M., & Zhao, Z. (2018). Evaluations of aggregators and DERs in distribution system operations with uncertainties. In 2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings [8440443] (2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PMAPS.2018.8440443