Studies of a High Voltage Management System in Electric Vehicles


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Vehicle safety is one of the most important design elements for all types of vehicles designed for use on public streets or roadways. Compared with traditional vehicles, besides other safety issues to be considered, a new issue that is the high voltage management problem should be taken in consideration very carefully in the electric vehicle development. This paper analyses the high voltage system in the electric vehicle and proposed a high voltage management system which implements several functions like power-up and power-down control of the high voltage system, high-voltage-circuit interlock protection, protection of electric leakage of the HV system etc. Because of the high voltage management, the electrical safety goals could be achieved and the protection of human being from high voltage hazardous becomes possible.



Edited by:

Linli Xu, Wenya Tian and Elwin Mao




H. F. Dai et al., "Studies of a High Voltage Management System in Electric Vehicles", Applied Mechanics and Materials, Vols. 80-81, pp. 825-831, 2011

Online since:

July 2011




[1] Chen Qingquan, Sun Fengchun, Zhu Jiaguang: Modern Electric Vehicle Technology, chapter 5, pp.178-209, Nov. (2002).

[2] ISO 6469-1-2001: Electric road vehicles - Safety specifications - Part 1: On-board electrical energy storage.

[3] SAE J2344-1998: Guidelines for electric vehicle safety.

[4] ISO 6469-3-2001: Electric road vehicles - Safety specifications - Part 3: Protection of persons against electric hazards.

[5] GB/T 13870. 1-92: Effects of current passing through the human body Part 1: General aspects.

[6] Wei Xuezhe, Bi Lu, Sun Zechang: A Method of Insulation Failure Detection on Electric Vehicle Based on FPGA, IEEE Vehicle Power and Propulsion Conference (VPPC), September 3-5, 2008, Harbin, China.


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