Document ID: chunk:federal_register_of_legislation:F2023L01529:body:0:p8
Version: federal_register_of_legislation:F2023L01529
Segment Type: other
Provision Reference: 
Character Range: 22489–25602

vehicle family

       8 REESS test procedures

       Appendix 1 - Procedure for conducting a standard cycle

       8A Vibration test

       8B Thermal shock and cycling test

       8C Mechanical shock

       8D Mechanical integrity

       8E Fire resistance

       Appendix 1 - Dimension and technical data of firebricks

       8F External short circuit protection

       8G Overcharge protection

       8H Over-discharge protection

       8I Over-temperature protection

1. Scope
         1.1. Part I: Safety requirements with respect to the electric power train of road vehicles of categories M and N, with a maximum design speed exceeding 25 km/h, equipped with one or more traction motor(s) operated by electric power and not permanently connected to the grid, as well as their high voltage components and systems which are galvanically connected to the high voltage bus of the electric power train.
         Part I of this regulation does not cover post-crash safety requirements of road vehicles.
         1.2. Part II: Safety requirements with respect to the Rechargeable Electrical Energy Storage System (REESS), of road vehicles of categories M and N equipped with one or more traction motors operated by electric power and not permanently connected to the grid.
         Part II of this Regulation does not apply to REESS(s) whose primary use is to supply power for starting the engine and/or lighting and/or other vehicle auxiliaries systems..
2. Definitions
         For the purpose of this Regulation the following definitions apply:
         2.1. "Active driving possible mode" means the vehicle mode when application of pressure to the accelerator pedal (or activation of an equivalent control) or release of the brake system will cause the electric power train to move the vehicle.
         2.2. "Barrier" means the part providing protection against direct contact to the live parts from any direction of access.
         2.3. "Cell" means a single encased electrochemical unit containing one positive and one negative electrode which exhibits a voltage differential across its two terminals.
         2.4 "Conductive connection" means the connection using connectors to an external power supply when the rechargeable electrical energy storage system (REESS) is charged.
         2.5. "Coupling system for charging the Rechargeable Electrical Energy Storage System (REESS)" means the electrical circuit used for charging the REESS from an external electric power supply including the vehicle inlet.
         2.6. "C Rate" of "n C" is defined as the constant current of the tested-device, which takes 1/n hours to charge or discharge the tested-device between 0 per cent of the state of charge and 100 per cent of the state of charge.
         2.7. "Direct contact" means the contact of persons with live parts.
         2.8. "Electrical chassis" means a set made of conductive parts electrically linked together, whose potential is taken as reference.
         2.9. "Electrical circuit" means an assembly of connected live parts which is designed to be electrically energized in normal