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Distribution Overhead Line Monitoring & Analytics

Fault Detection, Grid Analytics and Preventive Maintenance 


Consisting of overhead line sensor, concentrator and analytics platform, the InHand Wireless Overhead Line System (IWOS) helps utilities detect & locate faults, reduce power outage, and move from reactive to preventive maintenance. The IWOS is field proven by more than 50,000 line sensors installations by 2017. Leveraging big data analytics and artificial intelligence, the IWOS has accumulated more than 15 million waveform data of line events and successfully detected more than 20,000 faults including grounding faults, short circuit faults, inrush current, lightning, and more. 

Overhead Line Sensor Concentrator Cloud Analytics Platform Easy Installation Success Story Resources

“Always-on” Reliability  

-Efficient Low Current Energy Harvesting Technology


5A       4KHz


Stable energy harvesting from low load lines(5A)

● Real-time waveform-recording(4KHz) of current & electrical field

● Controllable harvesting power, short circuit current protection 


High Precision Measurement 

-Innovative Overhead Line Sensor



  • Advanced, high-precision and high-bandwidth electronic current transformer

  • Overhead line current measurement precision ±1% 

  • Highly-sensitive measurement of electric field, unaffected by multi-circuit line on one pole

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IWOM_OverheadLineSensor_InHandNetworks.png

Concentrator for Commnuication and Zero-Sequence Current

High-precision Three-Phase Time Sync



100μs/1.8°


Three phase wireless time sync accuracy 100μs

● Maximum three phase phasor degree error 1.8°

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Concentrator
Cloud-based Analytics Platform

The Analytics System provides various functions including data collection, overhead line status display & analysis, fault alarms and preventive analysis, allowing distribution utilities to achieve accurate fault location, reduce patrol time, shorten outage durations and improve efficiency.



  • GIS-based real-time monitoring of line status and events

  • Fault detection & location and SMS alarms  

  • Load trend & statistics

  • Power quality analysis

Cloud-based Overhead Line Analytics System



Preventive Maintenance Powered by AI


  • Integration Model based on Neural Network

  • Oscillography waveform classification based on AI algorithms

  • Accurately identify line faults and events including grounding faults, short circuit faults, inrush current, power outage and etc.

  • Preventive analysis and pre-fault alerts

Fault Detection by AI
Easy Installation and Maintenance-free


  • Installation takes minutes using standard hot stick on live lines  

  • Maintenance free with remote software upgrade

  • Reduce costs and improve efficiency


Overhead line sensor installation



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