Foreword
Scope
Normative references
Terms and definitions
Principle
Parameters, units and accuracy of measurements
Test conditions
Vehicle conditions
Atmospheric conditions
Track conditions
General conditions
Straight track
Loop track
Single direction test
Preconditioning of the vehicle
Battery charge
Normal overnight charging procedure
End-of-charge criteria
Fully charged battery
Trip meter setting
Warm-up
Test sequence
Test procedures
Maximum thirty minutes speed
Complete battery discharge
Maximum speed
Standard test procedure
Single direction test procedure
40 % battery discharge
Acceleration ability 0 km/h to 50 km/h
Acceleration ability 50 km/h to 80 km/h
Speed uphill
Hill starting ability
Principle
Procedure
Evaluation of α
Determination of the total road load power of a vehicle and calibration of the chassis dynamometers (normative)
Introduction
Characteristics of the track
Atmospheric conditions
Wind
Humidity
Reference conditions
Air density
Ambient conditions
Preparation of the vehicle
Running-in
Checks
Preparation for the test
Specified speed, v
Energy variation during coast-down
Total road load power determination
Measurement equipment and accuracy
Test procedure
Setting of the dynamometer
Measuring equipment and accuracy
Test procedure