GB/T 43775-2024 in English
VALIDRailway applications—Converter onboard rolling stock—Auxiliary converters for suburban railway and urban rail transit vehicles
- Issued on:2024-03-15
- Implemented on:2024-10-01
- File Format:PDF
- Delivery:Within 1 day
$218.00
《GB/T 43775-2024轨道交通 机车车辆变流设备 市域铁路和城轨交通车辆辅助变流器》由TC278（全国轨道交通电气设备与系统标准化技术委员会）归口，TC278SC1（全国轨道交通电气设备与系统标准化技术委员会机车车辆电气分会）执行，主管部门为国家铁路局。
Introduction
1. Background and purpose of the standard
GB/T 43775-2024 "Rail transit locomotive and vehicle converter equipment, urban rail and urban rail transit vehicle auxiliary converter" is a national standard of the People's Republic of China, proposed and managed by the National Technical Committee for Standardization of Rail Transit Electrical Equipment and Systems. This standard aims to standardize the use conditions, system composition, technical requirements and test methods of rail transit vehicle auxiliary converters to ensure their reliability and performance under different environments and operating conditions.
2. Scope and applicability of the standard
This standard applies to auxiliary converters of urban (suburban) railway vehicles and urban rail transit vehicles with DC power supply. It covers the entire process from design, manufacturing to test verification to ensure the stability and safety of the equipment in a complex operating environment.
| Standard dimensions | Scope of application | Technical requirements | Test methods |
|---|---|---|---|
| Environmental conditions | -25°C to 45°C, storage temperature -40°C to 70°C | Anti-vibration, shock and salt spray corrosion | GB/T 21563—2018 and GB/T 2423.4—2008 |
| Electrical conditions | DC 1500V or DC 750V power supply system | Overvoltage protection, undervoltage protection and short circuit protection | GB/T 25122.1—2018 |
| Electromagnetic compatibility | Comply with the International Union of Railways (UIC) standard | Anti-interference and radiation test | GB/T 24338.4—2018 |
3. Implementation Suggestions and Practical Applications
To ensure the efficient and reliable operation of the auxiliary converter, the following measures are recommended:
- Select and purchase in strict accordance with the standard requirements
- Strengthen equipment maintenance and regular inspection
- Establish a complete emergency response mechanism
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