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Mohammad Hemmati
Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz 5166616471, Iran

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Journal article
Published: 09 October 2020 in Sustainability
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Coordinated multi-carrier energy systems with natural gas and electricity energies provide specific opportunities to improve energy efficiency and flexibility of the energy supply. The interdependency of electricity and natural gas networks faces multiple challenges from power and gas flow in corresponding feeders and pipes and connection points between two infrastructures’ points of view. However, the energy hub concepts as the fundamental concept of multi-carrier energy systems with multiple conversion, storage, and generation facilities can be considered as a connection point between electricity and gas grids. Hence, this paper proposes an optimal operation of coordinated gas and electricity distribution networks by considering interconnected energy hubs. The proposed energy hub is equipped with combined heat and power units, a boiler, battery energy storage, a heat pump, and a gas-fired unit to meet the heating and electrical load demands. The proposed model is formulated as a two-stage scenario-based stochastic model aiming to minimize total operational cost considering wind energy, electrical load, and real-time power price uncertainties. The proposed integrated energy system can participate in real-time and day-ahead power markets, as well as the gas market, to purchase its required energy. The AC-power flow and Weymouth equation are extended to describe power and gas flow in feeders and gas pipelines, respectively. Therefore, a realistic model for the integrated electricity and gas grids considering coupling constraints is satisfied. The proposed model is tested on the integrated energy system and consists of a 33-bus electrical network and a 6-node gas grid with multiple interconnected energy hubs, where the numerical results reveal the effectiveness of the proposed model.

ACS Style

Mohammad Hemmati; Mehdi Abapour; Behnam Mohammadi-Ivatloo; Amjad Anvari-Moghaddam. Optimal Operation of Integrated Electrical and Natural Gas Networks with a Focus on Distributed Energy Hub Systems. Sustainability 2020, 12, 8320 .

AMA Style

Mohammad Hemmati, Mehdi Abapour, Behnam Mohammadi-Ivatloo, Amjad Anvari-Moghaddam. Optimal Operation of Integrated Electrical and Natural Gas Networks with a Focus on Distributed Energy Hub Systems. Sustainability. 2020; 12 (20):8320.

Chicago/Turabian Style

Mohammad Hemmati; Mehdi Abapour; Behnam Mohammadi-Ivatloo; Amjad Anvari-Moghaddam. 2020. "Optimal Operation of Integrated Electrical and Natural Gas Networks with a Focus on Distributed Energy Hub Systems." Sustainability 12, no. 20: 8320.

Chapter
Published: 21 January 2020 in Electric Vehicles in Energy Systems
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The need for effective technologies to deal with environmental issues is one of the basic approaches within the smart grid concept. Electrical vehicles (EV) are promising technology that provides multiple advantages for both utility and consumers. One of the main challenges of EVs is charging management, which effects on efficiency and popularity of EVs operation. For handling this issue, a new concept named battery swapping station (BSS) for more integration of EVs in microgrids is introduced in this chapter. In addition to market participation, BSS as a large energy storage system can provide adequate reserve for microgrid in islanded operation. So, in this chapter, a novel microgrid operation scheduling consisting of BSS is proposed. The problem is formulated as a bi-level problem: the upper-level minimizes microgrid operation cost including generation and purchasing cost, while BSS profit maximization is the target of lower-level. Participation of BSS in the reserve market beside the local generation units, causes the microgrid capability in operating in islanding mode for multiple hours. The proposed model is implemented on the 10-bus microgrid test system where the results show its effectiveness.

ACS Style

Mohammad Hemmati; Mehdi Abapour; Behnam Mohammadi-Ivatloo. Optimal Scheduling of Smart Microgrid in Presence of Battery Swapping Station of Electrical Vehicles. Electric Vehicles in Energy Systems 2020, 249 -267.

AMA Style

Mohammad Hemmati, Mehdi Abapour, Behnam Mohammadi-Ivatloo. Optimal Scheduling of Smart Microgrid in Presence of Battery Swapping Station of Electrical Vehicles. Electric Vehicles in Energy Systems. 2020; ():249-267.

Chicago/Turabian Style

Mohammad Hemmati; Mehdi Abapour; Behnam Mohammadi-Ivatloo. 2020. "Optimal Scheduling of Smart Microgrid in Presence of Battery Swapping Station of Electrical Vehicles." Electric Vehicles in Energy Systems , no. : 249-267.