Installation on Swissgrid overhead power lines

Picture of Brage Johansen

Brage Johansen

CEO

The Swiss TSO, Swissgrid, is carrying out installation work on the 220kV high-voltage lines in Handeck – Innertkirchen in March 2021. The Norwegian company Heimdall Power is providing sophisticated sensor units (neurons) which are installed on the conductors using a helicopter. The neurons measure a wide range of relevant values for the conductors without using an external power supply. The measured values obtained are sent via the cellular network to a cloud-based monitoring application for further processing. To read more about the sensors, software and use cases visit heimdallpower.com.

This is a setup for the monitoring of lines with the aim of better recording and more precisely modeling their thermodynamic behavior. Swissgrid is interested in a reliable prognosis of the line capacity taking into account the conductor cable properties and the climatic conditions. The aim is to check whether the static current values used today for operational management could be replaced by forecast values that consider the actual microclimatic conditions. The real-time monitoring starts in April 2021, and will be in live operations this summer. It will continue for 2 years, with an option of 2 additional years.

This project on “Digital Line Rating” with Heimdall Power’s solution was presented during Swissgrid Annual Media Conference 2021, and can be seen in this recording from 29:08 – 31:26 min:  https://youtu.be/qd-bV8u-zFU?t=1749 (presented in German, although English subtitles can be turned on through settings in the Youtube player)

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For additional information, please contact:

  • Swissgrid: media _(at)_ swissgrid.ch
  • Heimdall Power: Joachim H. Andersen (VP Sales)  |  +47 959 46 995  |  joachim _at_ heimdallpower.com

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