Hitachi Energy Switzerland Ag

Abb Research Ltd.

Nkt Hv Cables Gmbh

Cecilia Forssén

Joachim Schiessling

Peter Sjöberg

Markus Saltzer

Mikael Unge

Ming Li

Andrew Maxwell

Uno Gäfvert

Jörgen Svahn

An electromagnetic device comprises an enclosure, at least one winding in the interior of the enclosure, at least one wireless sensor attached to the winding for sensing at least one property or deficiency of the electromagnetic device and at least one active communication unit comprising transceiving circuitry and at least one antenna, wherein the transceiving circuitry is placed on the exterior of the enclosure and the least one antenna is placed inside the enclosure for communication with the at least one sensor, wherein the at least one sensor comprises at least one sensor attached to the winding, and wherein the at least one sensor attached to the winding is a printed electronic sensor comprising electronics printed on an insulating substrate, where the substrate faces the at least one winding.

Electromagnetic device equipped with at least one wireless sensor

A high-voltage lead-through device includes an insulator body having a solid exterior and including insulation, a main conductor passing therethrough, a sensor adjacent the main conductor inside the insulator body measuring a physical property of the device and a communication unit adjacent the main conductor outside the insulator body, wherein the main conductor has a first electric potential, a section of the solid exterior of the insulator body faces a second electric potential, the communication unit is connected to the sensor using a signal conductor as a first electrical communication medium and the communication unit employs a different communication medium for communicating with a data distribution device at a third electric potential.

High-voltage lead-through device and arrangement for handling data of a high-voltage lead-through device

Growing community of inventors

Västerås, Sweden

Cecilia Forssén