ISO/TC 22/SC 32/WG 2 - Environmental conditions

This document covers requirements and tests for the electric and electronic components in road vehicles equipped with an electrical system operating at a nominal voltage of 48 V DC. This includes the following: — general requirements on 48 V DC electrical systems; — voltage ranges; — slow voltage transients and fluctuations (not including EMC).

This document specifies requirements for lithium-ion traction battery packs or systems used in battery electric, hybrid electric and fuel cell electric road vehicles. This document describes the most relevant environmental stresses and specifies tests and test boundary conditions. This document establishes a classification of battery packs or systems and defines different stress levels for testing when a classification is applicable and required. The objective of this document is to specify standard test procedures and conditions to enable the observation of the reliability of the lithium-ion traction battery in the vehicle. This document specifies tests for a battery pack or system of voltage class A and B. This document provides the necessary information to set up a dedicated test plan for a battery pack or system subject to agreement between the customer and supplier. If required, the relevant test procedures and/or test conditions can also be selected from this document. NOTE This document only covers requirements and test conditions for a traction battery pack or system used in passenger cars.

The ISO 16750 series applies to electric and electronic systems/components for vehicles. It describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the vehicle. This document contains definitions and general notes. Electromagnetic compatibility (EMC) is not covered by the ISO 16750 series.

ISO 19453-3:2018 specifies requirements for the electric propulsion systems and components with maximum working voltages according to voltage class B. It does not apply to high voltage battery packs (e.g. for traction) and systems or components inside. It describes the potential environmental stresses and specifies tests and requirements recommended for different stress levels on/in the vehicle. ISO 19453-3:2018 describes mechanical loads.

ISO 19453-5:2018 specifies requirements for the electric propulsion systems and components with maximum working voltages according to voltage class B. It does not apply to high voltage battery packs (e.g. for traction) and systems and components inside. It describes the potential environmental stresses and specifies tests and requirements recommended for different stress levels on/in the vehicle. ISO 19453-5:2018 describes chemical loads. NOTE Conditions and testing for a continuous contact can be determined from other standards or agreed upon between the customer and the supplier.

ISO 19453-1:2018 specifies requirements for the electric propulsion systems and components with maximum working voltages according to voltage class B. It does not apply to high voltage battery packs (e.g. for traction) and systems or components inside. It describes the potential environmental stresses and specifies tests and requirements recommended for different stress levels on/in the vehicle. ISO 19453-1:2018 contains definitions and general requirements. Like all other parts of the 19453 series, it is not intended to apply to environmental requirements or testing for: - wiring harnesses, cables and electrical connectors; - parts or assemblies inside an equipment, if not otherwise specified; - system integration of equipment and system validation on vehicle level, if not otherwise specified in a test requirement.

ISO 19453-4:2018 specifies requirements for the electric propulsion systems and components with maximum working voltages according to voltage class B. It does not apply to high voltage battery packs (e.g. for traction) and systems and components inside. It describes the potential environmental stresses and specifies tests and requirements recommended for different stress levels on/in the vehicle. ISO 19453-4:2018 describes climatic loads.

This International Standard applies to degrees of protection (IP code) provided by enclosures of the electrical equipment of road vehicles. It specifies the following: a) Designations and definitions of types and degrees of protection provided by enclosures of electrical equipment (IP codes) for the: —   protection of electrical equipment within the enclosure against ingress of foreign objects, including dust (protection against foreign objects); —   protection of persons against access to hazardous parts inside the enclosure (protection against access); —   protection of electrical equipment inside the enclosure against effects due to ingress of water (protection against water). b) Requirements for each degree of protection. c) Tests to be carried out in order to confirm that the enclosure complies with requirements of the relevant degree of protection.

ISO 16750-3:2012 applies to electric and electronic systems/components for road vehicles. It describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the vehicle. ISO 16750-3:2012 describes mechanical loads.

ISO 16750-2:2012 applies to electric and electronic systems/components for road vehicles. It describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the road vehicle. ISO 16750-2:2012 describes the electrical loads. Electromagnetic compatibility (EMC) is not covered by ISO 16750-2:2012. Electrical loads are independent from the mounting location, but can vary due to the electrical resistance in the vehicle wiring harness and connection system.

ISO 16750-4:2010 applies to electrical and electronic systems/components for road vehicles. ISO 16750-4:2010 describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the road vehicle. ISO 16750-4:2010 describes climatic loads.

ISO 16750-5:2010 applies to electrical and electronic systems/components for road vehicles. ISO 16750-5:2010 describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the road vehicle. ISO 16750-5:2010 describes chemical loads. It is not designed to evaluate whether an electrical/electronic system/component is suitable for performing during continuous contact with an agent, such as a fuel pump immersed continuously in fuel.

ISO 21848:2005 describes the electrical loads that can affect electric and electronic systems and components of road vehicles for a supply voltage of 42 V which may be used in a multiple voltage electrical system. In addition it specifies the tests and resulting requirements, test equipment accuracy being agreed upon between the vehicle manufacturer and the supplier. This International Standard also provides design guidance for the interaction of 42 V with other system voltages.

ISO 16750-1:2006 applies to electric and electronic systems/components for vehicles. It describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the vehicle. ISO 16750-1:2006 contains definitions and general notes. Electromagnetic compatibility (EMC) is not covered by ISO 16750.