I. Project Completion Information
Installation Project: High-Voltage Cable Fault and Hidden Hazard Monitoring System Installation Case Study
Project Date: June 2, 2026
Project Contractor: Dingxin Smart Technology Co., Ltd.
II. Features and Functions
1. Fault Location: Fault location is the primary purpose of high-voltage cable and hidden hazard monitoring devices. It enables the identification of the faulty section and the exact fault location, providing a wealth of waveform data for fault analysis;
2. Analysis of fault types: After a fault occurs, the fault type is identified by analyzing the transient currents and power-frequency fault current waveforms of phases A, B, and C, providing a reference for line maintenance;
3. Early warning of potential faults: By monitoring faint traveling waves in high-voltage cable lines, the system provides early warnings for cables with potential issues, allowing for timely maintenance and preventing tripping faults;
4. Equipment self-test:
(a) The system must be capable of performing scheduled self-tests on its major components and must actively trigger an alarm in the event of an anomaly;
(b) Features an automatic reset and recovery function for potential system crashes;
5. Collection of terminal status data: Collect and analyze status data such as solar or CT voltage, battery status, temperature, GPS status, and GPRS signal strength;
6. Advanced technology: Distributed installation reduces monitoring distances and resolves signal attenuation issues. Dual-end distance measurement enables precise fault location;
7. Powerful Signal Acquisition Unit: The high-voltage cable monitoring device employs a multi-channel architecture with a single host unit. It can simultaneously acquire 7 high-frequency signals (3 high-frequency current traveling waves, 3 latent fault current traveling waves, and 1 voltage traveling wave) and 8 low-frequency signals (3 power-frequency currents, 4 ground loops, and 1 voltage). This powerful signal acquisition unit ensures reliable fault recording;
8. Adaptive travel wave velocity: The system automatically adjusts the travel wave velocity based on fault data, resulting in more accurate location;
9. High-precision synchronized sampling: By utilizing a GPS-based timing system and a high-precision sampling synchronization algorithm, the system significantly reduces sampling synchronization errors and improves ranging accuracy.
Our company specializes in the innovative research and development of online monitoring devices for power transmission and distribution lines, overhead power transmission lines, power cable safety equipment, as well as smart mobile line visualization monitoring systems, infrared wildfire monitoring devices, transmission line external damage alarm devices, line visualization monitoring, real-time power line status monitoring, grid micro-meteorological monitoring devices, warning alarms, bird deterrent devices, and body-worn cameras. These products have been widely deployed at power-related sites across the country and have received positive feedback from customers!
