EV Charging in a Commercial Hybrid AC/DC Microgrid: Configuration, Control and Impact Analysis

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Rahman, Md Shamiur
Hossain, MJ
Rafi, FHM
Lu, Junwei
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Mithulan Nadarajah, Narottam Das, Rahul Sharma, Hui Ma

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2016
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Brisbane, AUSTRALIA

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Abstract

Abstract: The progressive deployment of electric vehicles (EVs) and the increased penetration of direct current (DC) and alternating current (AC) type renewable resources pave the path towards hybrid AC/DC microgrid operations. Considering the potential future participation of EVs in a hybrid AC/DC microgrid environment, this paper presents a generalized synopsis on EV charging in a commercial hybrid AC/DC microgrid. Constituents of this paper encompass the charger configurations, vehicle-to-grid (V2G) control strategies of individual chargers and their effects on the microgrid operations. Impacts of three types of EV chargers are considered in this paper which include three-phase AC and DC fast charging and single-phase residential charging. All configurations and their control strategies are developed in MATLAB/SIMULINK environment. Initial simulations are carried out considering real commercial load and solar irradiation data which shows stable microgird operations. Later the impacts of various types of EV charging on the AC and DC bus voltages and frequency of the commercial hybrid AC/DC microgrid are analyzed. The obtained results highlight the implications of bulk coordinated EV charging to reduce adverse operational impacts and network investment.

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PROCEEDINGS OF THE 2016 AUSTRALASIAN UNIVERSITIES POWER ENGINEERING CONFERENCE (AUPEC)

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© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Electrical energy generation (incl. renewables, excl. photovoltaics)

Electrical energy storage

Electrical energy transmission, networks and systems

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