• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Over Head Transmission Line Monitoring System Electricity Transmission & Distribution

Description

While designing new overhead line, line thermal ratings are normally calculated assuming conservative weather conditions and a maximum allowed conductor temperature, which allows adequate electrical clearance and avoids annealing to aluminium or copper wires.

OTLM is a system solution for monitoring and rating your existing and new OHL based on real time monitoring of conductor temperature, sag, load and weather conditions.

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  • High voltage level from 110 kV to 400 kV
  • Conductor diameter 15 mm to 45 mm
  • Cross section from 95,0 mm2 to 950,0mm2
  • Operational current from 65 A
  • Conductor current measurement resolution 1A
  • Operating ambient temperature -40 0C to +85 0C
  • Range of line temperature measurement -40 0C to +1250C
  • Temperature measurement resolution 0,5 0C
  • Temperature measurement deviation ±20C in range form -200C to +1000C
  • Communication protocols SMS/GPRS
  • Weight ax. 9,5 kg
  • Adjustable from 60 sec to 86400 sec, step 1 sec (default: 600 sec)
Alarm setting (°C) Data sending(min)
Normal working 20
First alarm (T>) 65 10
Second alarm (T>>) 75 1