Test Systems
GtestWorks Automated Testing Platform
VectWorks 3.0 Electrical Performance Test Software
Technical Evolution and Testing Standards from Traditional Power Distribution to Intelligent Power Supply Systems
Civilian-grade socket power distribution, low server density, no precision temperature control
Ordinary PDU emerged, adapting to different server interfaces
Rack-mounted power distribution units, supporting modular cabinets
Intelligent PDU, featuring remote monitoring, voltage/current/power monitoring functions
AC-DC-AC conversion, supports 10-15kW per single cabinet
Eliminates inverter stage, efficiency improves by 4%, supports 40-100kW per cabinet
Integrated transformer and power module, efficiency reaches 97.5%, saves 36% space
Supports 1MW per cabinet, copper loss reduced by 45%, jointly promoted by NVIDIA, Delta, and other manufacturers
| Standard Number | Name | Core Content |
|---|---|---|
| GB 50174-2017 | "Data Center Design Code" | Room classification (A/B/C), power supply reliability requirements |
| GB 43630-2023 | "Energy Efficiency Limits and Grades for Tower and Rack Servers" | 2 types of servers, 3 energy efficiency grades |
| YD/T 3983-2021 | "Technical Requirements and Test Methods for Energy Usage Effectiveness of Liquid Cooled Server Systems in Data Centers" | Calculation method for energy efficiency ratio of liquid cooling systems |
| Standard Number | Name | Core Content |
|---|---|---|
| IEC 62040:2017 | "Uninterruptible Power Systems" | UPS performance and safety requirements |
| ISO/IEC 22237-3:2024 | "Information technology Data center facilities and infrastructures Part 3: Power distribution" | Power system design, configuration management, safety and reliability requirements |
| 80 PLUS Ruby | Ruby Energy Efficiency Level Certification (currently the highest level power supply efficiency certification standard) | Efficiency ≥96.5% at 50% load under 230V (2025) |
Conducted Emission (CE): 150kHz-30MHz, can be tested using shielded room
Radiated Emission (RE): 30MHz-6GHz, tested using anechoic chamber
Harmonic Current: IEC 61000-3-2/3, limits grid harmonic pollution
| Test Item | Standard | Level |
|---|---|---|
| Electrostatic Discharge (ESD) |
IEC 61000-4-2:2025 GB/T 17626.2-2018 |
Contact 2kV~8kV, Air 2kV~15kV |
| Electrical Fast Transient (EFT) |
IEC 61000-4-4:2012 GB/T 17626.4-2018 |
Power port 0.5kV~4kV |
| Surge Immunity |
IEC 61000-4-5:2014 GB/T 17626.5-2019 |
Power port common mode 0.5kV~2kV |
|
Voltage Dips, Short Interruptions and Voltage Variations Immunity |
IEC 61000-4-11:2020 GB/T 17626.11-2023 |
Voltage Dips: e.g., 20% voltage drop, lasting 250 cycles (5000ms) Short Interruptions: lasting 250 cycles (5000ms) Voltage Variations: 30% voltage drop, maintain for 1 cycle (20ms) after voltage drop, voltage rise time is 25 cycles (500ms) |
Output voltage/current/power and other electrical parameter measurements
Conversion efficiency under different loads (20%/50%/100% load)
Output voltage fluctuation during load changes
Operation beyond rated conditions, equipment not damaged and has protection functions
Input/output/ground resistance
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Voltage/current testing, output rise/fall waveform testing, instantaneous voltage/reaction time testing, short circuit/overvoltage protection testing......
Automation, multi-standard, remote parameter configuration, test control and data export
Avoid equipment downtime caused by electromagnetic interference
Meet requirements of standards such as GB 43630-2023
Select efficient power supplies through efficiency testing, reducing data center operating costs
Note: Some content references authoritative sources such as China Energy News, Electronic Design & Application, etc.
