A flexible-reliable operation optimization model of the networked energy hubs with distributed generations, energy storage systems and demand response

Anoosh Dini, Alireza Hassankashi, Sasan Pirouzi, Matti Lehtonen*, Behdad Arandian, Ali Asghar Baziar

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

This paper presents a novel optimization model for the flexible-reliable operation (FRO) of energy hubs (EHs) in electricity, natural gas, and district heating networks. To achieve flexible EH in the presence of renewable energy sources (RESs) and combined heat and power (CHP) system, energy storage systems (ESS) and incentive-based demand response program (IDRP) are used. The proposed problem minimizes the total expected costs of operation, reliability, and flexibility of the energy networks including EHs. The optimization scheme is constrained to the optimal power flow (OPF) equations and the reliability requirements of these networks and the EH model in the presence of sources and active loads, namely ESS and IDRP. Scenario-based stochastic programming (SBSP) is utilized to model uncertainties of load, energy cost, power generation of RES, and network equipment availability. The problem has a mixed-integer nonlinear programming (MINLP) nature. Consequently, a hybrid teaching-learning-based optimization (TLBO) and crow search algorithm (CSA) is used to obtain a reliable optimal solution with a low standard deviation. Finally, by simulating the proposed scheme on a sample test system, the capabilities of this scheme in improving the reliability, operation, and flexibility of energy networks in accordance with the optimal scheduling for EHs are confirmed.

Original languageEnglish
Article number121923
Number of pages16
JournalEnergy
Volume239
Early online date2 Sep 2021
DOIs
Publication statusPublished - 15 Jan 2022
MoE publication typeA1 Journal article-refereed

Keywords

  • Flexibility sources
  • Flexible-reliable operation
  • Hybrid evolutionary algorithm
  • Networked energy hub
  • Scenario-based stochastic programming

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