Evaluations of aggregators and DERs in distribution system operations with uncertainties

Zhi Chen; Meng Wu; Zhechong Zhao

doi:10.1109/PMAPS.2018.8440443

Evaluations of aggregators and DERs in distribution system operations with uncertainties

Zhi Chen, Meng Wu, Zhechong Zhao

Electrical, Computer, and Energy Engineering, School of (IAFSE-ECEE)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 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 language	English (US)
Title of host publication	2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781538635964
DOIs	https://doi.org/10.1109/PMAPS.2018.8440443
State	Published - Aug 17 2018
Event	2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Boise, United States Duration: Jun 24 2018 → Jun 28 2018

Publication series

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

Other

Other	2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018
Country/Territory	United States
City	Boise
Period	6/24/18 → 6/28/18

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

Access to Document

10.1109/PMAPS.2018.8440443

Cite this

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 Article 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

Evaluations of aggregators and DERs in distribution system operations with uncertainties. / Chen, Zhi; Wu, Meng; Zhao, Zhechong.
2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. 8440443 (2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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., 2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018, Boise, United States, 6/24/18. https://doi.org/10.1109/PMAPS.2018.8440443

Chen Z, Wu M, Zhao Z. 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. Institute of Electrical and Electronics Engineers Inc. 2018. 8440443. (2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings). doi: 10.1109/PMAPS.2018.8440443

Chen, Zhi ; Wu, Meng ; Zhao, Zhechong. / Evaluations of aggregators and DERs in distribution system operations with uncertainties. 2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. (2018 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2018 - Proceedings).

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AB - 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.

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Evaluations of aggregators and DERs in distribution system operations with uncertainties

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