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ISO 23274-1-2013 pdf free download
ISO 23274-1-2013 pdf free download.Hybrid-electric road vehicles Exhaust emissions and fuel consumption measurements Part 1:Non-externally chargeable vehicles
Véhicules routiers électriques hybrides — Mesurages des emissions a I’échappement et de Ia consommation de carburant — Partie 1: Véhicules non rechargeables par des moyens externes.
188.8.131.52 Gear shifting
If the vehicle is fitted with a manually shifted gear box, gear shifting positions shall correspond to the regional test procedure (see A, B or C, for example). However, the shift positions should be selected and determined in accordance with the vehicle manufacturer’s specification.
184.108.40.206 Regenerative braking
If the vehicle has regenerative braking, the regenerative braking system shall be enabled for all dynamometer testing except where specified in 220.127.116.11 Determining the dynamometer load coefficient.
If the vehicle is tested on a single axle dynamoineter and is equipped with systems such as an antilock braking system (ABS) or a traction control system (TCS), those systems may inadvertently interpret the non-movement of the set of wheels that are off the dynamometer as a malfunctioning system. If so, these systems shall be temporarily disabled tar adjustment to achieve normal operation of the remaining vehicle systems, including the regenerative braking system.
18.104.22.168 RESS conditioning
The RESS shall be conditioned with the vehicle as specified in 4111. or by equivalent conditioning.
4.1.4 Chassis dynamometer conditions
The vehicle should generally be tested on a single axle chassis dynamometer. A vehicle with four-wheel drive shall be tested by modifying the drive train of the vehicle. When the vehicle Is modified, the details shall be explained in the test report.
Double axle chassis dynamometer testing should be performed if a modification for single axle chassis dynamometer testing is not possible for a specific four-wheel drive vehicle.
22.214.171.124 Dynamometer calibration
The dynamometer shall be calibrated In accordance with the specifications indicated in the service manual provided by the dynamometer manufacturers.
126.96.36.199 Dynamometer warm-up
The dynamometer shall be warmed up sufficiently prior to testing.
188.8.131.52 Determining the dynamometer load coefficient.ISO 23274-1-2013 pdf free download.
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