Annex III

‘ANNEX XX

MEASUREMENT OF NET ENGINE POWER, NET POWER AND THE MAXIMUM 30 MINUTES POWER OF ELECTRIC DRIVE TRAIN

1.

INTRODUCTION

This Annex sets out requirements for measuring net engine power, net power and the maximum 30 minutes power of electric drive train.

2.

GENERAL SPECIFICATIONS

2.1

The general specifications for conducting the tests and interpreting the results are those set out in paragraph 5 of UNECE Regulation No 85^f1, with the exceptions specified in this Annex.

2.2

Test fuel

Paragraphs 5.2.3.1., 5.2.3.2.1., 5.2.3.3.1., and 5.2.3.4. of UNECE Regulation No 85 shall be understood as follows:

The fuel used shall be the one available on the market. In any case of dispute, the fuel shall be the appropriate reference fuel specified in Annex IX to the Regulation (EC) No 692/2008.

2.3

Power correction factors

By way of derogation from paragraph 5.1 of Annex V to UNECE Regulation No 85, when a turbo-charged engine is fitted with a system which allows compensating the ambient conditions temperature and altitude, at the request of the manufacturer, the correction factors α_a or α_d shall be set to the value of 1.