GF Solar Tracker Controller Passes Low-Temperature Test
Test Overview
Test Purpose
Verify whether the TCU device functions normally after low-temperature treatment
Testing Standards
GB/T 29320-2024 Chapter 16, Section 16.1 "Low-Temperature Test"
Test Sample
Tracking Control Unit (TCU) GF-S-TCU-V1.0 (1 set)
Test Date
July 9, 2025
Test Location
No. 2 Courtyard, Southeast Corner of Dehui Street and Wenjin North Road, Zheng'an Town, Zhongmu County, Zhengzhou, Henan
Environmental Conditions
Temperature: 35.3℃ | Humidity: 52% RH | Weather: Sunny
Test Methods and Procedures
Test Equipment
High-Low Temperature Test Chamber
Test Procedure Steps
- Place the non-powered TCU into the High-Low Temperature Test Chamber, set to -40℃
- Store at -40℃ for 16 hours
- Gradually warm the chamber to -25℃ at a rate not exceeding 1℃/min, then maintain for 2 hours
- Power on and operate for 2 hours, recording system status
- Operate at room temperature for 2 hours
- Test in both automatic and manual modes, recording system status
Test Results and Conclusions
| Test Requirements | TCU must be shut down and stored at -40℃ for 16 hours, then warmed up to -25℃, and removed after 2 hours for room temperature testing | ||||||
|---|---|---|---|---|---|---|---|
| Test Content | Various operating mode tests and parameter settings | Tracking function | Control function | Protection and storage function | Communication and synchronization function | Tracking range and accuracy | Drive unit |
| Test Results | OK | OK | OK | OK | OK | OK | OK |
| Conclusion | The TCU can function normally after low-temperature treatment | ||||||
Performance Verified
All functions operating within specifications after extreme cold exposure
Temperature Resilience
TCU withstands -40℃ for 16 hours without performance degradation
Stable Operation
No issues during power-up and operation after temperature cycling
Test Photos
TCU shut down at -40℃ and stored for 16 hours
35.30℃
-40℃
TCU warms up to -25℃, shuts down, and stores for 2 hours
-25℃
-24.99℃
Request the Complete Test Report
Contact the GF Solar team for the detailed test report and technical specifications
info@gfnewenergy.com