GB/T 46481-2025Test method for powertrain system power of hybrid electric vehicles and pure electric vehicles having more than one propulsion electric machine (English PDF)
混合动力电动汽车及多电机纯电动汽车动力系统功率测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 46481-2025 is the English-translated version of 混合动力电动汽车及多电机纯电动汽车动力系统功率测试方法.
GB/T 46481-2025 is the Chinese standard "Test method for powertrain system power of hybrid electric vehicles and pure electric vehicles having more than one propulsion electric machine".
Its scope clause reads: This document describes the maximum power test method for the powertrain systems of hybrid electric vehicles and pure electric vehicles with multi-motor drive, including...
This includes test conditions, test procedures, and result calculation. This document applies to hybrid electric vehicles of category M1, N1, and M2 (maximum design gross weight not exceeding 3500 kg) and those with...
Multi-motor driven pure electric vehicles. Other vehicles should follow the same guidelines. Its clauses include terms and definitions.
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Document preview — GB/T 46481-2025
National Standard of the People's Republic of China
- ICS
- 43.120
- Classification
- T 47
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1.Scope
- 2 Normative References
- 3.Terms and Definitions
- 4.Test Conditions
- 5.Test Procedure
- 6.Calculation of Results 7.
- Appendix A (Normative) Test Method for Maximum Power and Vehicle Speed of Vehicle Powertrain System
- Appendix B (Normative) Recommended Power Testing Methods for Typical Powertrain Configurations
1 Scope
This document describes the maximum power test method for the powertrain systems of hybrid electric vehicles and pure electric vehicles with multi-motor drive, including...
This includes test conditions, test procedures, and result calculation.
This document applies to hybrid electric vehicles of category M1, N1, and M2 (maximum design gross weight not exceeding 3500 kg) and those with...
Multi-motor driven pure electric vehicles. Other vehicles should follow the same guidelines.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 15089 Classification of Motor Vehicles and Trailers
GB/T 17692-2024 Test Method for Net Power of Automobile Engines and Drive Motors
GB/T 18297-2024 Test Methods for Automobile Engine Performance
GB 18352.6-2016 Limits and Measurement Methods for Pollutant Emissions from Light-Duty Vehicles (China VI)
GB/T 19596 Electric Vehicle Terminology
3 Terms and Definitions
The terms and definitions defined in GB/T 15089, GB/T 19596 and GB/T 18297-2024, as well as the following terms and definitions, apply to this document.
3.1 powertrain
All mechanical energy output devices that drive a vehicle (directly or indirectly).
Note. This includes internal combustion engines and electric drive systems (including drive motors and inverters), but excludes mechanical transmission components such as gearboxes, reducers, and differentials.
3.2
The sum of mechanical power output by the power system at any given moment when the vehicle is running.
3.3
The sum of mechanical power output by the power system when the vehicle is running at its maximum power output mode and under the maximum accelerator pedal command.
3.4
The reference point for the mechanical kinetic energy output of the power system when the wheel-end drive power is at its maximum.
3.5
The energy conversion efficiency of an electric drive system when it converts electrical energy into mechanical energy.
GB/T 47136 | GB/T 45417 | GB/T 46991.1 | GB/T 47283 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 15089Classification of power-driven vehicles and trailers
- GB/T 17692-2024Measurement methods of net power for automotive engines and drive motor
- GB/T 18297-2024Performance test code for road vehicle engines
- GB 18352.6-2016Limits and measurement methods for emissions from light-duty vehicles (CHINA 6)
- GB/T 19596Terminology of electric vehicles
Editions of GB/T 46481
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 46481-2025 | Test method for powertrain system power of hybrid electric vehicles and pure electric vehicles having more than one propulsion electric machine | current edition | Current |
This page sells the current edition, GB/T 46481-2025. Earlier editions are listed for reference only.
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Related Standards
GB 18352.6-2016 — Limits and measurement methods for emissions from light-duty vehicles (CHINA 6)
GB/T 15089-2001 — Classification of power-driven vehicles and trailers
GB/T 17692-2024 — Measurement methods of net power for automotive engines and drive motor
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