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Controller Hardware-in-the-Loop Modeling and Operation of a High-Power DC Charging Hub

Conference ·
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High-power charging (HPC) concept will be a critical enabler for the wide-scale adoption and integration of electric vehicles (EVs). HPC hubs will have a significant impact on achieving this goal, particularly when considering the charging requirements of next-generation medium and heavy-duty vehicles (MD/HD) used in various vocational scenarios. This emphasizes the significance of evaluating and confirming the technical planning and multi-level operation of HPC hubs through modeling, protocol implementation, and simulation before hardware demonstration. The focus of this study is to develop the architecture, modeling, communication, and real-time controller hardware-in-the-loop (C-HIL) simulation of HPC hubs using the DC distribution system approach. Specifically, this work demonstrates the practical implementation of a custom Smart Energy Management System (SEMS) for a real-time C-HIL HPC hub simulation using the Open Charge Point Protocol (OCPP) for communication. OCPP is implemented on the Node-Red framework and the custom controller is executed in Python. We developed a rule-based controller to demonstrate the proposed approach.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Vehicle Technologies Office
DOE Contract Number:
AC36-08GO28308
OSTI ID:
2305466
Report Number(s):
NREL/CP-5400-86913; MainId:87688; UUID:eecdbea4-401b-4c13-b072-01aa3058f734; MainAdminId:70717
Resource Relation:
Conference: Presented at the IEEE Energy Conversion Congress and Exposition (ECCE), 29 October - 2 November 2023, Nashville, Tennessee
Country of Publication:
United States
Language:
English

References (15)

Fast DC Charging Infrastructures for Electric Vehicles: Overview of Technologies, Standards, and Challenges September 2023
Toward Extreme Fast Charging: Challenges and Opportunities in Directly Connecting to Medium-Voltage Line March 2019
Extreme Fast Charging Technology—Prospects to Enhance Sustainable Electric Transportation September 2019
Tertiary Control for Energy Management of EV Charging Station Integrated With PV and Energy Storage January 2022
Real-time Co-simulation Design of Micro-grid and Information Communication System Based on Multi-agent System August 2021
Prototyping Multi-Protocol Communication to enable semantic interoperability for Demand response Services October 2021
OCSS: An application to simulate multiple charging stations which uses an Open charge point protocol for communication June 2022
Multi-agent framework for smart management of electric vehicle charging stations (EVCS) considering a smart charging scheduling, smart contracts and data validation by OCPP January 2022
Human-Machine Interaction in the Remote Control System of Electric Charging Stations Network September 2019
Field testing and demonstration of a smart grid ready charging park January 2022
OCPP Protocol: Security Threats and Challenges September 2017
Evil SteVe: An Approach to Simplify Penetration Testing of OCPP Charge Points September 2022
Experimental set-up of DC PEV charging station supported by open and interoperable communication technologies June 2016
Small-signal modeling and stability analysis of a bidirectional electric vehicle charger November 2017
Hierarchical Control of Megawatt-Scale Charging Stations for Electric Trucks with Distributed Energy Resources January 2022

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Related Subjects

ADVANCED PROPULSION SYSTEMS
C-HIL
EV-grid integration
high-power charging
OCPP
real-time simulation
smart energy management