United States Department of Transportation
i
DC Charging Safety Evaluation Procedure Development, Validation, and Assessment, and Preliminary Draft AC Charging Evaluation Procedure
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2019-07-01
[PDF-3.53 MB]
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Edition:Final Report
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Abstract:This project report is based on the initial DC charging test procedures provided by NHTSA and presents validation and refinement, where possible, of the provided test procedures maintaining the holistic approach initially used by SAE. It describes and validates a holistic collection of test procedures that assess safety hazards to electric vehicles while being charged. If not properly protected and controlled, vehicle charging using either alternating current (AC) or direct current (DC) can introduce possible hazards such as high-voltage exposure to the vehicle or battery damage. The test procedures in this report have been independently developed based on commonly accepted single-point failure modes and hazards identified in 24 separate FMEAs related to electric vehicle applications of Li-ion battery technology and the system’s ability to effectively detect and mitigate certain safety relevant occurrences during charging. The end product of this report is to create a holistic collection of procedures to be used to assess the safety performance of a vehicle-charger system.
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Content Notes:Rask, E., Harper, J., & Dobrzynski. (2019, July). DC charging safety evaluation procedure development, validation, and assessment, and preliminary draft AC charging evaluation (Report No. DOT HS 812 754). Washington, DC: National Highway Traffic Safety Administration
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