标准编号：ISO 23274-1:2019
中文名称：混合动力道路车辆 废气排放和燃料消耗测量 第1部分：非外部可充电车辆
英文名称：Hybrid-electric road vehicles — Exhaust emissions and fuel consumption measurements — Part 1: Non-externally chargeable vehicles
发布日期：2019-08
标准范围
This document specifies a chassis dynamometer test procedure to measure the exhaust emissions and
the electric energy and fuel consumption for the vehicles.
This document applies to vehicles with the following characteristics:
— vehicles classified as passenger cars or light duty trucks, as defined in the relevant regional
applicable driving test (ADT) standard;
— the nominal energy of the rechargeable energy storage system (RESS) is at least 2 % of the total
energy consumption over an ADT;
— internal combustion engine (ICE) only using liquid fuels (for example, gasoline and diesel fuel).
NOTE In the case of the vehicles with ICE using other fuel [for example, compressed natural gas (CNG),
liquefied petroleum gas (LPG), hydrogen], this document can apply except the measurement of consumed fuel; otherwise the measurement method for those using the corresponding fuel can apply.
This document proposes procedures for correcting the measured emissions and fuel consumption of
hybrid-electric vehicles (HEVs), in order to obtain the values when the state of charge (SOC) of the RESS
does not remain the same between the beginning and the end of an ADT.
It can also be applied to measurement procedures for exhaust emissions and fuel consumption of
externally chargeable HEVs when a vehicle is not externally charged and operated only in the charge
sustaining (CS) state, as described in ISO 23274-2.
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