Stahlinstitut VDEh – 27.07.2021

Electrical Engineering of Arc Furnaces

06.10.2021 – 08.10.2021seminar in english

The online-seminar  takes place daily from 8:30 a.m. to 1:00 p.m. CET (Berlin)


Directed by

Prof. Dr.-Ing. Klaus Krüger,
General Manager Stahlwerk Annahütte


  • Role and importance of the EAF in the hydrogen strategies (new topic)
  • Physics of furnace arcs
  • Equivalent circuit diagram of AC-furnaces
  • Short circuit and operating reactance
  • Circle diagram of AC-furnaces
  • Design of the high-current system for AC-furnaces
  • Electrical layout of AC-furnaces
  • Energy balance of the EAF
  • Melting of DRI and HBI in the EAF (new topic)
  • Energetic modelling of the EAF process
  • Closed loop power control of AC-furnaces
  • Power supply for Electric Arc Furnaces
  • Electric principles of DC-furnaces
  • Which one is better? Comparison AC - DC (new topic)

Registration fee

640,00 €* // 690,00 € VAT-free

*  for employees of member companies and individual members of the Steel Institute VDEh. Scientific staff of universities gets a 50 % off. Also 50 % discount for each additional participant from the same company location

+++ as part of the VDEh youth development sponsorship also young engineers (up to 35 years)
of member companies receive a 50 % discount +++


Cancellation free of charge is not possible after receiving of the log-in data.


Stahl-Akademie / Stahlinstitut VDEh
Steel Academy / Steel Institute VDEh

Sohnstraße 65 / 40237 Düsseldorf/Germany
Fon +49 211 6707-458 / Fax -655 /  /

Online Seminar Concept

Technical quality:

The Steel Academy attaches great importance to the audio-visual quality of its online seminars. This seminar will be broadcast as a live-stream from Steel Academy’s film studio in Dusseldorf – with high quality camera, microphone and lighting. In the picture will be shown the speaker and his presentation. Note: Due to Corona travel restrictions only half of the speakers can come to the film studio. The others will present via MS Teams.

Online seminar - how does it work?

  •   2-3 days before seminar’s starting you receive an e-mail with a link and a password
  •   the link leads you to the streaming platform
  •   you log in with the password

We recommend using earphones, LAN or good WLAN


2 days, 6 hours from 8.30 a.m. to 1.00 p.m. Berlin time

Seminar handouts:

Before seminar’s starting download of the presentations as a pdf

Ihr Ansprechpartner

Peter Schmieding

Peter Schmieding

Leiter Stahl-Akademie

Stahlinstitut VDEh
Sohnstraße 65
40237 Düsseldorf

Telefon: +49 211 6707-478