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GB/T 44532-2024Internal combustion engines—Hybrid powertrain system—Safety requirements (English PDF)

内燃机混合动力系统安全要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 29, 2024

Implementation date

April 1, 2025

Scope

GB/T 44532-2024 is the English-translated version of 内燃机混合动力系统安全要求.

GB/T 44532-2024 is the Chinese national standard covering the engine-and-motor combination that drives a machine from two energy sources at once — the voltage levels, the protection against mechanical hazards and against hot surfaces, the protection against electric shock, the safety of the running modes including the standby mode in which the engine may be silent while the system is ready to move, the fire protection, the vibration resistance, and the electromagnetic compatibility. It covers engines coupled to electric motors only; hydraulic and other energy hybrids are outside it. First edition, under the China Machinery Industry Federation. In force from 1 April 2025. Issued on 29 September 2024, it has been in force since 1 April 2025.

Document preview — GB/T 44532-2024

National Standard of the People's Republic of China

ICS: 27.020
Classification: J 91

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface... III 1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Voltage level2
5 Safety requirements2
5.1 General requirements2
5.2 Mechanical Hazard Protection Requirements2
5.3 Thermal protection requirements2
5.4 Requirements for protection against electric shock3
5.5 Safety requirements for hybrid power system operation5
5.6 Fire protection requirements6
5.7 Vibration resistance requirements6
5.8 Electromagnetic compatibility requirements7

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Machinery Industry Federation.

This document is under the jurisdiction of the National Technical Committee for Standardization of Internal Combustion Engines (SAC/TC 177).

This document was drafted by: Kunming Yunnei Power Co., Ltd., Shanghai Motor Vehicle Inspection and Certification Technology Research Center Co., Ltd., Wuxi Mingheng Hybrid Power Technology Co., Ltd., Weichai Power Co., Ltd., Tongji University, Shanghai New Energy Automobile Technology Co., Ltd., Harbin Dongan Automotive Power Co., Ltd., Guangxi Yuchai Machinery Co., Ltd., Zhuopin Intelligent Technology Wuxi Co., Ltd., Kunming University of Science and Technology, Ningbo Geely Luoyou Engine Parts Co., Ltd., Zhejiang Hexia Technology Co., Ltd., Jiangsu Yihejie Automotive Technology Co., Ltd.

Technology Co., Ltd., Zhejiang Julong Automation Equipment Co., Ltd., and Jiangsu Aoikes Automotive Electronics Technology Co., Ltd.

The main drafters of this document are: Yu Mingjiang, Chen Liqiong, Guo Hua, Ji Weibin, He Zhengmo, Lou Diming, Yu Hui, Qu Feng, Liu Keyan, Benjie Xiang, Wei Deng, Zhao Liu, Yan Sun, Quan Liu, Haifeng Zhang, Xudong Sun, Rong Fan, Tao Wu, Yunhua Zhang, Jianyong Liu, Yujie Li, Wang Chunling, Lei Jilin, Huang Jianjun, Chen Zhaoming, and Yu Shuhuai.

Internal combustion engine; Hybrid power system; Safety requirements

1 Scope

This document specifies the safety requirements for hybrid powertrains of internal combustion engines.

This document is applicable to internal combustion engine hybrid power systems consisting of internal combustion engines and electric motors, and is not applicable to internal combustion engines and hydraulic energy and other energy systems. hybrid system.

2 Normative references

GB/T 1147.1

GB 2894

GB/T 4208-2017

GB/T 4556

GB 14023

GB/T 18153

GB 18384-2020

GB/T 18488.1-2015

GB/T 18655-2018

GB/T 19596-2017

GB/T 20234.1-2023

GB/T 20651.1

GB/T 20651.2

GB/T 23821-2022

GB/T 37133-2018

GB 38031

3 Terms and definitions

The terms and definitions defined in GB/T 19596-2017 and GB 18384-2020 and the following apply to this document.

3.1 Hybrid powertrain system

It consists of an internal combustion engine, an electromechanical coupling device, a motor, a rechargeable energy storage system, a controller and related wiring harnesses, etc., and can provide two or more Energy powered system.

3.2 Runnable mode standby mode

A mode in which the system operates normally when the accelerator pedal is depressed (or a control device is activated) or the brake pedal is released.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 4556 · GB/T 18488.1-2015 · GB/T 18655-2018 · GB/T 20651.2 · GB/T 23821-2022

Editions of GB/T 44532

Edition	Title	Revision	Status
GB/T 44532-2024	Internal combustion engines - Hybrid powertrain system - Safety requirements	current edition	Current

This page sells the current edition, GB/T 44532-2024. Earlier editions are listed for reference only.

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