Locate overhead line faults before they become long outages.
HERTZINNO provides overhead line fault indication and smart distribution line monitoring for transmission and medium-voltage distribution networks. The solution combines HZ-OLF-100 interval fault indication with HZ-TWF-30 traveling-wave based distribution line monitoring to support faster fault response, section localization and cloud-based grid visibility.
Overhead Line Fault Detection & Smart Distribution Line Monitoring
The solution is designed for utilities, grid operators and industrial power networks that need faster fault identification and better visibility across overhead power lines. HZ-OLF-100 supports overhead line fault indication and interval fault location, while HZ-TWF-30 provides smart medium-voltage distribution line monitoring with traveling-wave based fault localization, grounding fault detection, lightning fault recognition and cloud platform analytics.
What can go wrong on overhead power lines?
Overhead line faults can be caused by short circuits, ground faults, poor contact, insulator faults, lightning events, abnormal discharge, floating object contact and external disturbances. Fast fault indication and accurate section localization help reduce outage duration and field patrol workload.
Short-circuit Faults
Fast detection helps operators identify line fault events and narrow down the affected section.
Ground Faults
Grounding fault detection and localization support faster troubleshooting in overhead distribution networks.
Hidden Line Hazards
Poor contact, insulator faults, close-range discharge and floating object contact can trigger early warnings.
Lightning & Transient Events
Transient waveform monitoring helps distinguish lightning and non-lightning faults for better event analysis.
From fault indication to intelligent line monitoring.
HERTZINNO builds a layered overhead line monitoring architecture. Field sensors collect line fault or waveform data, communication units transmit events to local or cloud platforms, and software analytics help operators visualize fault status, locate fault sections and support maintenance decisions.
Two products for different overhead line monitoring needs
HZ-OLF-100 is suitable for overhead line fault indication and section fault location across a wide voltage range. HZ-TWF-30 is suitable for smart medium-voltage overhead distribution line monitoring with traveling-wave localization and cloud-based analytics.
HZ-OLF-100
Transmission and overhead line fault locating system for interval fault location, real-time monitoring and fault type assistance. It supports self-organizing network capability, strong field adaptability and passive sampling activated by fault current pulses.
- Supports 5kV–500kV overhead lines
- Short-circuit, ground, poor contact and insulator fault detection
- Each terminal sensor covers up to 5km line section
- Solar, current-induced and internal battery power options
- IP67 outdoor protection
HZ-TWF-30
Smart overhead distribution line monitoring system with real-time current and voltage monitoring, traveling-wave fault localization, ground fault detection, lightning fault recognition and 4G / APN cloud communication.
- Applicable voltage level: 6kV–35kV
- Traveling-wave based fault localization
- Fault localization accuracy up to ≤ ±150m
- Live-line installation support
- 4G / APN private network communication
HZ-OLF-100 vs HZ-TWF-30
The two systems can be introduced on one solution page while keeping their positioning clear: fault indication and section localization for HZ-OLF-100, intelligent distribution line monitoring and traveling-wave localization for HZ-TWF-30.
Technical highlights
The following specification highlights help users quickly compare deployment conditions, voltage levels, communication methods and environmental adaptability.
HZ-OLF-100 Highlights
HZ-TWF-30 Highlights
Overhead Line Monitoring FAQ
Should HZ-OLF-100 and HZ-TWF-30 be introduced on one page?
Yes. They can be introduced together as an overhead line fault detection and smart distribution line monitoring solution. HZ-OLF-100 focuses on overhead line fault indication and section localization, while HZ-TWF-30 focuses on smart distribution line monitoring and traveling-wave based fault localization.
Which product is suitable for wide-voltage overhead line fault indication?
HZ-OLF-100 is suitable when users need overhead line fault indication across a wide voltage range, including short-circuit, ground, poor contact and insulator fault detection.
Which product supports traveling-wave fault localization?
HZ-TWF-30 supports traveling-wave based fault localization. It uses high-frequency traveling-wave current signals, synchronized timing analysis and platform algorithms to determine fault location along the distribution line.
Can the system reduce field inspection workload?
Yes. Fault indication, section localization, cloud monitoring and traveling-wave localization can help operators narrow down the fault area faster and reduce manual patrol workload after fault events.
Plan your overhead line fault detection and monitoring solution.
Share your voltage level, line length, conductor type, fault localization requirement, communication conditions and platform integration needs. HERTZINNO can help configure the right HZ-OLF-100, HZ-TWF-30 or combined monitoring solution.
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