SMS group and SSAB advancing together in the green steel revolution
One of the world’s most powerful electric arc furnaces is SSAB’s strategic unit for green steel production
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One of the world’s most powerful electric arc furnaces is SSAB’s strategic unit for green steel production
This EAF, currently under construction by SMS for SSAB’s Oxelösund steel plant in Sweden, will be equipped with the most advanced medium-voltage digital power feeding system
The MMC system is critical for maintaining the quality of the power grid. It mitigates flicker, reduces harmonic distortion, and provides a high power factor
SSAB, one of the world’s most carbon-efficient steel companies, has chosen SMS group for the construction of a new 190-ton EAF, which is set to be one of the largest installations in the world with an upper shell diameter of 9.3 meters. The new EAF, located in Oxelösund, has its first heat scheduled for the fourth quarter of 2026 and will not only play a vital role in realizing SSAB’s transition plans towards a fossil-free production, but also lower total CO2 emissions in Sweden by three percent.
Powered by a 280 MVA transformer, an installation such as this requires highly advanced technology to meet the limitations imposed by the grid authority in terms of flicker, power factor, and harmonic distortion.
SSAB has now entrusted SMS group with the integration of a direct feed (DF) system from GE Vernova to be fitted in the new furnace at Oxelösund. The technology being implemented at SSAB is crucial as it ensures the new electric arc furnace operates smoothly and efficiently without disrupting the grid, thereby contributing to the reduction of CO2 emissions.
“It’s the most powerful digital electric arc furnace ever designed,” said Andrea Lanari, Vice-President Metallurgy Steelmaking at SMS group, “the combination of SMS process/equipment knowledge in terms of the GE Vernova grid and converter control background is an unique asset we can provide to SSAB on its decarbonization path.”
The modular multilevel converter (MMC) based direct feed system, supplied by GE Vernova’s Power Conversion business, is an indirect power supply built on IEGT (injection-enhanced gate transistor) technology and designed specifically for EAFs, which seeks to ensure that the new EAF operates smoothly and efficiently without disrupting the grid.
This system uses advanced technology to maintain high levels of power quality and reliability.
Jan Heimann, Executive Vice President of SMS group, said: “This project is a significant step forward in our journey towards sustainable steelmaking. Powering the furnace with a fast digital control system will enable SSAB to achieve their targets in terms of power quality and efficiency. We are excited to contribute to a project that sets a benchmark for the entire industry.”
“Our power system was chosen because it helps the Oxelösund plant meet their strict electricity quality standards,” said Ed Torres, Business Line Leader & COO of GE Vernova’s Power Conversion business. “By using our system, the plant is expected to reduce electrical disturbances and operate more efficiently. This is a crucial step towards making steel production more sustainable and reducing carbon emissions in the industry.” To achieve the desired EAF power quality contribution and grid performance requirements, the system includes two parallel converter lines installed at 300 and 400 meters from the EAF, directly connected to the 34 kV bus. This setup mitigates flicker, maintains very low harmonics, and ensures a unified power factor.
SMS group is renowned worldwide for its future-oriented technologies and outstanding service for the metals industry. The company applies its 150 years of experience and its digital know-how to provide the industry continuously with innovative products and processes – even beyond its core business – and generates worldwide sales of around 3.4 billion euros. SMS is the right partner for challenging projects and supports its customers throughout the lifecycle of their plants, enabling profitable and resource-efficient value creation chains. Paving the way for a carbon-neutral and sustainable metals industry is the company’s stated goal. As a global player with German roots, SMS takes responsibility for more than 14,000 employees.
Unternehmensinformation / Kurzprofil:
SMS group is renowned worldwide for its future-oriented technologies and outstanding service for the metals industry. The company applies its 150 years of experience and its digital know-how to provide the industry continuously with innovative products and processes – even beyond its core business – and generates worldwide sales of around 3.4 billion euros. SMS is the right partner for challenging projects and supports its customers throughout the lifecycle of their plants, enabling profitable and resource-efficient value creation chains. Paving the way for a carbon-neutral and sustainable metals industry is the company’s stated goal. As a global player with German roots, SMS takes responsibility for more than 14,000 employees.
Datum: 26.11.2024 - 12:47 Uhr
Sprache: Deutsch
News-ID 714410
Anzahl Zeichen: 4494
contact information:
Contact person: Thilo Sagermann
Town:
Düsseldorf, Germany
Phone: +49 (211) 881-4449
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