Application of Insulation Standards to High Voltage Automotive Applications

Robert Foley; Rajesh Nagappala; Galen Ressler; Peter Andres; Brian Martel

doi:10.4271/2013-01-1528

Insulation coordination requirements for electrical equipment applications are defined in various standards. The standards are defined for application to stationary mains connected equipment, like IT, power supply or industrial equipment. Protection from an electric shock is considered the primary hazard in these standards. These standards have also been used in the design of various automotive components. IEC 60664-1 is an example of the standard.

Automobiles are used across the world, in various environments and in varied usage by the customers. Automobiles need to consider possible additional hazards including electric shock. This paper will provide an overview of how to adapt these standards for automotive application in the design of High Voltage (HV) automotive components, including High Voltage batteries and other HV components connected to the battery. The basic definitions from the standards and the principles are applied for usage in automotive applications. The usage of the definitions in the standards for voltages, pollution degree and the rationale for selection of the insulation required will be discussed in the paper.

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Application of Insulation Standards to High Voltage Automotive Applications 2013-01-1528

SAE MOBILUS