GB/T 19753-2021 Test methods for energy consumption of light-duty hybrid electric vehicles English
Test methods for energy consumption of light-duty hybrid electric vehicles
1 Scope
This document specifies the test methods for energy consumption of light-duty hybrid electric vehicles equipped with ignition engines or compression ignition engines.
This document is applicable to vehicles of category N1 equipped with ignition engines or compression ignition engines and vehicles of category M1 and category M2 with the maximum design total mass not exceeding 3500kg. Vehicles of category M1 having a maximum design mass exceeding 3500kg may implement by reference.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 15089 Classification of power-driven vehicles and trailers
GB 18352.6-2016 Limits and measurement methods for emissions from light-duty vehicles
GB/T 19233-2020 Measurement methods of fuel consumption for light-duty vehicles
GB/T 19596 Terminology of electric vehicles
GB/T 38146.1-2019 China automotive test cycle—Part 1: Light-duty vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 15089, GB/T 19596, GB 18352.6-2016, GB/T 38146.1-2019 as well as the following apply.
3.1
all-electric range
AER
distance that the vehicle travels from the start of the power consumption mode test to the start of the engine, the upper limit of this distance is the charge-depleting actual range
3.2
charge-depleting actual range
RCDA
distance that the vehicle travels from the start of the power consumption mode test until the power of REESS is balanced after several continuous test cycles
3.3
charge-depleting cycle range
RCDC
distance that the vehicle travels at the end of transition cycle, from the start of the power consumption mode test until until reaching the termination judgment condition specified by 6.2.2.5
3.4
equivalent all-electric range
EAER
part of charge-depleting cycle range that completely replys on electric power
4 Test conditions
4.1 Environmental requirements and parameters
Environmental requirements and parameters shall meet the requirements specified in C.1.2.2 of GB 18352.6-2016.
4.2 Test equipment
4.2.1 Test equipment shall meet the requirements of Annexes CD of GB 18352.6-2016.
4.2.2 See Table 1 for requirements of other relevant parameters.
Table 1 Unit, accuracy and resolution of relevant parameters
Parameter Unit Accuracy Resolution
Electric energy a Wh ±1% 1
Current A 0.3% FSD or 1%b, c of reading 0.1
Voltage V 0.3% FSD or 1%b of reading 0.1
a Equipment: static reading meter capable of detecting dynamic changes.
b Whichever is greater.
c Current integration frequency is 20Hz or larger.
4.3 Test fuel
In the type test, the reference fuel meeting the requirements of Annex K of GB 18352.6-2016 shall be adopted according to the lowest label recommended by automobile manufacturers, and no additional oxygenates shall be added to the fuel. In case of using the fuel types not specified in Annex K of GB 18352.6-2016, commercial vehicle fuel complying with relevant standards shall be used.
4.4 Test vehicle
4.4.1 All parts of the test vehicle shall meet the requirements of mass production. If the test vehicle is different from that of mass production, a detailed description is required.
4.4.2 The automobile manufacturer or its authorized agent shall submit a vehicle representing the tested vehicle type to the inspection agency responsible for the type test. If an automobile manufacturer or its authorized agent chooses to adopt interpolation family, it shall select representative vehicles in interpolation family, and the same test vehicle should be adopted to represent vehicles H and L through different road load settings.
4.4.3 The test vehicle may be run-in according to the requirements of the automobile manufacturer or its authorized agent, and it shall be ensured that the mechanical condition is good, and the running-in mileage does not exceed 15000km.
4.4.4 Lubricants specified by automobile manufacturers shall be used and indicated in the test result report.
4.4.5 Other test vehicles shall be set up according to the requirements of C.1.2.4.2~C.1.2.4.5 and C.1.2.4.7 in GB 18352.6-2016.
Foreword i
1 Scope
2 Normative References
3 Terms and definitions
4 Test conditions
4.1 Environmental requirements and parameters
4.2 Test equipment
4.3 Test fuel
4.4 Test vehicle
4.5 Test cycle
5 Test related parameters and precision
6 Test procedures
6.1 Test requirements
6.2 Test flow
6.3 OVC-HEV test procedures
6.4 NOVC-HEV test procedures
7 Test results
7.1 OVC-HEV test results
7.2 NOVC-HEV test result
7.3 Determination of type approval value
8 Interpolation method of a certain vehicle
8.1 Interpolation conditions
8.2 Energy demand of vehicles in a certain speed range
8.3 Interpolation coefficient of a certain speed range
8.4 Calculation of OVC-HEV test result with interpolation method
8.5 Calculation of NOVC-HEV test result with interpolation method
8.6 Road load family and road load matrix family
9 Production conformity
9.1 General
9.2 Production conformity assurance plan
9.3 OVC-HEV production conformity
9.4 NOVC-HEV production conformity
Annex A (Normative) Correction procedures based on REESS electric energy variation
Annex B (Informative) Curve for REESS state of charge
Annex C (normative) Pretreatment, vehicle soak and REESS charging
Annex D (Normative) Selection of driving mode
Annex E (Normative) Determination of REESS current and voltage
Annex F (Normative) OVC-HEV utilization factor (UF)
Annex G (Informative) Converted fuel consumption
Bibliography
GB/T 19753-2021 Test methods for energy consumption of light-duty hybrid electric vehicles English
Test methods for energy consumption of light-duty hybrid electric vehicles
1 Scope
This document specifies the test methods for energy consumption of light-duty hybrid electric vehicles equipped with ignition engines or compression ignition engines.
This document is applicable to vehicles of category N1 equipped with ignition engines or compression ignition engines and vehicles of category M1 and category M2 with the maximum design total mass not exceeding 3500kg. Vehicles of category M1 having a maximum design mass exceeding 3500kg may implement by reference.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 15089 Classification of power-driven vehicles and trailers
GB 18352.6-2016 Limits and measurement methods for emissions from light-duty vehicles
GB/T 19233-2020 Measurement methods of fuel consumption for light-duty vehicles
GB/T 19596 Terminology of electric vehicles
GB/T 38146.1-2019 China automotive test cycle—Part 1: Light-duty vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 15089, GB/T 19596, GB 18352.6-2016, GB/T 38146.1-2019 as well as the following apply.
3.1
all-electric range
AER
distance that the vehicle travels from the start of the power consumption mode test to the start of the engine, the upper limit of this distance is the charge-depleting actual range
3.2
charge-depleting actual range
RCDA
distance that the vehicle travels from the start of the power consumption mode test until the power of REESS is balanced after several continuous test cycles
3.3
charge-depleting cycle range
RCDC
distance that the vehicle travels at the end of transition cycle, from the start of the power consumption mode test until until reaching the termination judgment condition specified by 6.2.2.5
3.4
equivalent all-electric range
EAER
part of charge-depleting cycle range that completely replys on electric power
4 Test conditions
4.1 Environmental requirements and parameters
Environmental requirements and parameters shall meet the requirements specified in C.1.2.2 of GB 18352.6-2016.
4.2 Test equipment
4.2.1 Test equipment shall meet the requirements of Annexes CD of GB 18352.6-2016.
4.2.2 See Table 1 for requirements of other relevant parameters.
Table 1 Unit, accuracy and resolution of relevant parameters
Parameter Unit Accuracy Resolution
Electric energy a Wh ±1% 1
Current A 0.3% FSD or 1%b, c of reading 0.1
Voltage V 0.3% FSD or 1%b of reading 0.1
a Equipment: static reading meter capable of detecting dynamic changes.
b Whichever is greater.
c Current integration frequency is 20Hz or larger.
4.3 Test fuel
In the type test, the reference fuel meeting the requirements of Annex K of GB 18352.6-2016 shall be adopted according to the lowest label recommended by automobile manufacturers, and no additional oxygenates shall be added to the fuel. In case of using the fuel types not specified in Annex K of GB 18352.6-2016, commercial vehicle fuel complying with relevant standards shall be used.
4.4 Test vehicle
4.4.1 All parts of the test vehicle shall meet the requirements of mass production. If the test vehicle is different from that of mass production, a detailed description is required.
4.4.2 The automobile manufacturer or its authorized agent shall submit a vehicle representing the tested vehicle type to the inspection agency responsible for the type test. If an automobile manufacturer or its authorized agent chooses to adopt interpolation family, it shall select representative vehicles in interpolation family, and the same test vehicle should be adopted to represent vehicles H and L through different road load settings.
4.4.3 The test vehicle may be run-in according to the requirements of the automobile manufacturer or its authorized agent, and it shall be ensured that the mechanical condition is good, and the running-in mileage does not exceed 15000km.
4.4.4 Lubricants specified by automobile manufacturers shall be used and indicated in the test result report.
4.4.5 Other test vehicles shall be set up according to the requirements of C.1.2.4.2~C.1.2.4.5 and C.1.2.4.7 in GB 18352.6-2016.
Contents of GB/T 19753-2021
Foreword i
1 Scope
2 Normative References
3 Terms and definitions
4 Test conditions
4.1 Environmental requirements and parameters
4.2 Test equipment
4.3 Test fuel
4.4 Test vehicle
4.5 Test cycle
5 Test related parameters and precision
6 Test procedures
6.1 Test requirements
6.2 Test flow
6.3 OVC-HEV test procedures
6.4 NOVC-HEV test procedures
7 Test results
7.1 OVC-HEV test results
7.2 NOVC-HEV test result
7.3 Determination of type approval value
8 Interpolation method of a certain vehicle
8.1 Interpolation conditions
8.2 Energy demand of vehicles in a certain speed range
8.3 Interpolation coefficient of a certain speed range
8.4 Calculation of OVC-HEV test result with interpolation method
8.5 Calculation of NOVC-HEV test result with interpolation method
8.6 Road load family and road load matrix family
9 Production conformity
9.1 General
9.2 Production conformity assurance plan
9.3 OVC-HEV production conformity
9.4 NOVC-HEV production conformity
Annex A (Normative) Correction procedures based on REESS electric energy variation
Annex B (Informative) Curve for REESS state of charge
Annex C (normative) Pretreatment, vehicle soak and REESS charging
Annex D (Normative) Selection of driving mode
Annex E (Normative) Determination of REESS current and voltage
Annex F (Normative) OVC-HEV utilization factor (UF)
Annex G (Informative) Converted fuel consumption
Bibliography
