Stahlinstitut VDEh https://vdeh.de/stahl-akademie/seminare/programm/seminar/ – 20.07.2025

Directed by

Prof. Dr.-Ing. Klaus Krüger, Ingenieurbüro Klaus Krüger

Content

• Importance of the EAF in hydrogen concepts 
• Physics of AC and DC arcs
• Design of the AC high-current system
• Equivalent circuit diagram of AC-EAF & OBF
• Short circuit and operating reactance
• Design of the AC high-current system
• Power supply for EAF and requirements for the supply network
• Excursus: New energy supply concepts for the EAF
• Furnace transformers
• Circle and furnace power diagram of AC-EAF
• Electrical layout of AC Furnaces
• Melting of DRI and HBI in the EAF
• Comparison EAF vs. OBF/Smelter  
• Closed loop power control of AC-furnaces
• Electric principles of DC-furnaces
• Energy balance of the EAF
• Exercise: Electrical design of an AC-EAF

Registration fee

• EUR 1090,00* registration fee VAT-free plus EUR 319,00 conference package (total EUR 1.409,00)
• EUR 1290,00 registration fee VAT-free plus EUR 319,00 conference package (total EUR 1.609,00)

* for employees of member companies and individual members of the Steel Institute VDEh. Scientific staff of universities gets a 50 % off.

+++ as part of the VDEh youth development sponsorship also young engineers (up to 30 years)
of member companies receive a 50 % discount +++
=> for personal VDEh membership click HERE
 

The conference package includes food and beverages during the seminar.

Cancellation

A free withdrawal from the seminar is possible until two weeks prior to the start. Then, 25% of the seminar fee must be paid. The total registration amount will be charged for no show or cancellation from the first day of the event. The participant also has to bear the cancellation costs of the seminar hotel.

Organisation

Steel Academy / Steel Institute VDEh
Mr. Peter Schmieding
Sohnstraße 65 / 40237 Düsseldorf, Germany
Fon +49 211 6707-458
training_at_vdeh.de / www.steel-academy.com

Venue

NH Hotel Düsseldorf City North
Münsterstraße 230 – 238
40470 Düsseldorf, Germany

If desired, the Steel Academy automatically will make a room booking for the participants at the NH Hotel Düsseldorf North from the 1st (evening prior to the seminar’s beginning) to the 4^th of December 2025 for a special rate of EUR 119,00 per night incl. breakfast. The hotel room bill will be settled by you upon departure. Please advise at your registration, if you do not need a reservation or whether you would like to stay longer in the hotel.