Battery Electric Vehicle Energy Consumption and Range Test Procedure

Standard:
Revised:
  • 2017-07-12
 
  • CURRENT
Publisher:
  • SAE International
Pages:
32
Scope:

This SAE Recommended Practice establishes uniform procedures for testing Battery Electric Vehicles (BEVs) which are capable of being operated on public and private roads. The procedure applies only to vehicles using batteries as their sole source of power. It is the intent of this document to provide standard tests which will allow for the determination of energy consumption and range for light-duty vehicles (LDVs) based on the Federal Emission Test Procedure (FTP) using the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Driving Schedule (HFEDS), and provide a flexible testing methodology that is capable of accommodating additional test cycles as needed. Realistic alternatives should be allowed for new technology. Evaluations are based on the total vehicle system's performance and not on subsystems apart from the vehicle.

Rationale:

Battery Electric Vehicle (BEV) technology has progressed significantly since the original publication of SAE standard J1634. BEV ranges and capabilities made previous test methods of full depletes using repeat UDDS and HFEDS cycles impractical. To reduce lab test burden a Multi-Cycle Test (MCT) was introduced. In addition, specific 5-cycle test procedures have been added to provide clear guidance on one such method of obtaining BEV energy consumption and range in non-ambient conditions.

To provide clearer guidance on BEV 5-cycle testing Appendix B has been added. Appendix B provides one example of how to perform 5-cycle testing and calculate energy consumption and range for BEVs.

History:
Standard Published Revision Status
J1634_201707 2017-07-12 Latest Revised
2012-10-04 Historical Revised
2002-10-25 Historical Issued
1999-04-01 Historical Revised
1995-06-01 Historical Revised
1993-05-01 Historical Issued
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