GB/T 44802-2024 in English
VALIDTechnical specification for insulated-gate bipolar transistor (IGBT) driver of high-voltage direct current power transmission using voltage sourced converters
- Issued on:2024-10-26
- Implemented on:2025-05-01
- File Format:PDF
- Delivery:Via email within 8 business days
$621.00
| Standard No: | GB/T 44802-2024 |
| Document status: | VALID |
| Title in English: | Technical specification for insulated-gate bipolar transistor (IGBT) driver of high-voltage direct current power transmission using voltage sourced converters |
| Title in Chinese: | 柔性直流输电用绝缘栅双极晶体管（IGBT）驱动器技术规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 8 business days |
| Issued on: | 2024-10-26 |
| Implemented on: | 2025-05-01 |
| ICS Classification: | 29.200-Rectifiers. Convertors. Stabilized power supply |
| Chinese Classification: | K46-Power semiconductor device and parts |
| Professional Classification: | GB-National Standard |
| Related Keywords: | direct current power transmission
insulated-gate bipolar transistor version improvement range isolation voltage insulated gate bipolar transistor flexible dc transmission systems |
| Related Topics: | DC transmission technology
power transmission direct current transmission Transistor drive circuit |
《GB/T 44802-2024柔性直流输电用绝缘栅双极晶体管（IGBT）驱动器技术规范》由TC60（全国电力电子系统和设备标准化技术委员会）归口，TC60SC2（全国电力电子系统和设备标准化技术委员会输配电系统电力电子技术分会）执行，主管部门为中国电器工业协会。
Introduction
Analysis of the core content of the standard
GB/T 44802-2024 specifies the technical requirements for insulated gate bipolar transistor (IGBT) drivers in flexible DC transmission systems, which are applicable to transmission systems of ±800kV and below that use modular multilevel converter (MMC) technology. The standard systematically defines 17 key parameters and 14 protection function requirements for drivers for the first time.
Comparison of key technical indicators
| Parameter category | 3300V device | 4500V device | Test conditions |
|---|---|---|---|
| Isolation withstand voltage | 10kV | 15kV | AC 1min |
| Drive power consumption | ≤2.5W | ≤3W | 1kHz load |
| Desaturation protection value | 3000-3500A | 6000-6500A | 100℃ junction temperature |
Key technical innovations
1. Dynamic characteristics control
For the first time, the standard clearly requires that the driver must control the di/dt≤1000A/μs and dv/dt≤20kV/μs of the IGBT, and achieve a balance between switching loss and electromagnetic interference by optimizing the gate resistance.
2. Hierarchical protection mechanism
- Primary protection: di/dt short-circuit protection responds within 2μs
- Secondary protection: Desaturation protection action time ≤10μs
- Ultimate protection: Active clamping voltage deviation ≤±100V
Implementation suggestions
Key points of design verification
- Build a half-bridge test platform according to Appendix D to verify dynamic parameters
- Conduct a 72h high-temperature aging test (85℃ unpowered/70℃ powered)
- Complete 10 temperature cycle tests from -40℃ to 85℃
Engineering application case
The Zhangbei flexible direct current project adopts this standard driver to achieve:
- Switching loss reduced by 15%
- Fault response time shortened to 5μs
- Electromagnetic compatibility level reaches GB/T 17626 series level 4
Standard Evolution Analysis
Compared with the 2018 version of the industry standard, this version has the following major improvements:
| Project | 2018 version | 2024 version | Improvement range |
|---|---|---|---|
| Isolation voltage | 8kV | 10-15kV | 25-87.5% |
| Temperature range | -25~70℃ | -40~85℃ | Expanded by 60% |
| EMC level | Level 3 | Level 4 | Field strength increased by 50% |
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