GB/T 44532-2024 in English
VALIDInternal combustion engines—Hybrid powertrain system—Safety requirements
- Issued on:2024-09-29
- Implemented on:2025-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
| Standard No: | GB/T 44532-2024 |
| Document status: | VALID |
| Title in English: | Internal combustion engines—Hybrid powertrain system—Safety requirements |
| Title in Chinese: | 内燃机 混合动力系统 安全要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2024-09-29 |
| Implemented on: | 2025-04-01 |
| ICS Classification: | 27.020-Internal combustion engines |
| Chinese Classification: | J91-Internal combustion engine and auxiliary equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | internal combustion engines hybrid powertrain system safety requirements introduction
safety requirements system safety regulations internal combustion engines traditional internal combustion engines |
| Related Topics: | Included system
power system |
《GB/T 44532-2024内燃机 混合动力系统 安全要求》由TC177（全国内燃机标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
1. Background and significance of standard formulation
With the increasing environmental pressure and the need for energy structure transformation, hybrid power systems are increasingly used in the field of internal combustion engines. However, the safety requirements of this new power system are also increasing. This standard aims to provide unified safety specifications for the research and development, production and use of internal combustion engine hybrid power systems to ensure the safety of operators and equipment.
2. Technology evolution and framework analysis
From the technological evolution from traditional internal combustion engines to hybrid power systems, it can be seen that the core of safety requirements lies in the protection of the electric drive part. Table 1 compares the safety standards under different voltage levels and clarifies the special requirements for Class B voltage circuits.
| Project | Class A voltage | Class B voltage |
|---|---|---|
| Maximum operating voltage (DC) | 0＜U ≤ 60 V | 60＜U≤1500 V |
| Maximum operating voltage (AC) | 0＜U≤30 V | 30＜U≤1000 V |
3. Implementation recommendations and best practices
To ensure the safety of hybrid power systems, the following measures are recommended:
- Carry out a comprehensive safety risk assessment during the design phase
- Regularly inspect and maintain key components (such as high-voltage wiring harnesses and connectors)
- Strengthen operator training to ensure they are familiar with system safety regulations
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