On March 28, 2026, the new product certification meeting for the High-Voltage Cable Grounding System Condition Detector, organized by the China Electricity Council, was successfully held in Changsha, Hunan Province. Authoritative experts from national power systems and research institutes conducted a comprehensive review and certification of the HL-F2 High-Voltage Cable Grounding System Condition Detector, jointly developed by Hunan Changlan Intelligent Technology Co., Ltd., State Grid Hunan Electric Power Research Institute, and Changlan Technology Group Co., Ltd.

Meeting Overview

The certification meeting was organized by the China Electricity Council, an authoritative industry organization, and brought together leading experts from national power systems and research institutes. Mr. Xie Shilin, President of Changlan Technology Group, attended the meeting and delivered a speech. The project team provided a detailed report on the R&D background, technical approach, core innovations, performance indicators, and engineering applications.

Product Technical Highlights

The HL-F2 High-Voltage Cable Grounding System Condition Detector features multiple innovative technologies:

• Three-Phase Synchronous Detection: Capable of simultaneously detecting three critical condition parameters—grounding resistance, grounding current, and induced voltage—under both energized and de-energized conditions
• Intelligent Analysis & Diagnosis: Automatically extracts correlations between multiple condition parameters, performs real-time analysis of grounding system health status, and provides direct detection conclusions
• High Efficiency & Convenience: Significantly improves detection efficiency and provides reliable technical support for power system operation and maintenance

Certification Conclusion

The expert panel for document review and on-site testing highly affirmed the product's technical documentation and field test data. The certification committee's final assessment concluded that:

The HL-F2 High-Voltage Cable Grounding System Condition Detector has achieved internationally leading comprehensive technical performance and is hereby approved for new product certification.

Significance and Outlook

This achievement represents a significant breakthrough for Changlan Intelligent in the field of high-voltage cable intelligent detection, marking that the company has reached internationally advanced levels in power equipment condition monitoring technology. Mr. Duan Xiaoli, expert from State Grid Hunan Electric Power Research Institute, delivered a thank-you speech on behalf of the project team.

Moving forward, Changlan Intelligent will continue to focus on core technology breakthroughs, accelerate the transformation of scientific and technological achievements, provide solid support for the construction of new-type power systems and the safe and stable operation of power grids, and contribute to the high-quality development of the power industry.

Joint R&D Units:

• Hunan Changlan Intelligent Technology Co., Ltd.

• State Grid Hunan Electric Power Research Institute

• Changlan Technology Group Co., Ltd.