Multi-layer control on DC fast charging stations equipped with distributed energy storages and connected to distribution network: Managing power and energy following events
In this paper, DC fast charging (DCFC) stations are integrated into the distribution network (DN). The designed DCFC stations are equipped with several charging devices (CDs) at different rated powers, which can charge electric vehicles (EVs) at various power levels through charging points (CPs). A central control system (CCS) is designed for each DCFC, which is applied for managing its local controllers. The CDs also use distributed energy storage (DES) alongside the DC chargers in order to increase the speed of the charging process and utilize the stored energy for improving the DN operation. The DN central controller scheme is as well designed to control the CCS of DCFCs and make positive effects on the upstream distribution grid. The CCS of DN, in addition to managing the CCS of DCFCs, is responsible for controlling the charge level of DCFCs according to four control strategies in each station including improving voltage fluctuations on the DN side, injecting reactive power from DCFCs to DN during a fault on the DN side, increasing DN resiliency by supplying critical loads in the time of upstream network outage, and supplying loads with time-varying active-reactive powers. The nonlinear simulations using MATLAB-SIMULINK demonstrate that the proposed strategies can effectively improve the performance of DN in addition to accurate control of the charging process in the EVs.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/22106707
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Supplemental Notes:
- © 2023 Elsevier Ltd. All rights reserved. Abstract reprinted with permission of Elsevier.
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Authors:
- Faraji, Hossien
- Hemmati, Reza
- Publication Date: 2023-11
Language
- English
Media Info
- Media Type: Web
- Features: References;
- Pagination: 104828
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Serial:
- Sustainable Cities and Society
- Volume: 98
- Issue Number: 0
- Publisher: Elsevier
- ISSN: 2210-6707
- Serial URL: http://www.sciencedirect.com/science/journal/22106707?sdc=2
Subject/Index Terms
- TRT Terms: Control system applications; Direct current; Electric power transmission; Electric vehicle charging; Networks; Service stations
- Subject Areas: Energy; Highways; Terminals and Facilities; Vehicles and Equipment;
Filing Info
- Accession Number: 01892162
- Record Type: Publication
- Files: TRIS
- Created Date: Sep 1 2023 9:46AM