Metallurgical & Arc Furnace Transformers
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Overview
ESTA Transformer designs and manufactures transformer solutions for copper, aluminum, and arc furnace (EAF) processes using a heavy-industry-focused engineering discipline and a fully engineered-to-order approach.
Metallurgical applications involve:
- Extremely high currents
- Very low secondary voltages
- Severe thermal cycling
- Rapid and frequent load fluctuations
These operating conditions go far beyond conventional industrial transformer requirements.
For this reason, ESTA does not offer catalogue-based products for metallurgical and arc furnace applications. Each solution is engineered from the ground up based on the actual process conditions.
Application Areas
Copper smelting and refining plants
Aluminum smelting and electrolysis facilities
Electric Arc Furnaces (EAF)
Ladle Furnaces
Induction melting systems
Heavy industry and metal processing plants
Product Groups
For metallurgical and arc furnace applications, ESTA provides the following product groups:
+90 534 988 92 82
Design & Engineering Approach
For metallurgical and arc furnace projects, ESTA applies a dedicated engineering methodology focusing on:
- High short-circuit withstand strength
- Mechanical and thermal robustness for heavy industrial duty
- Electrical stability under rapid load variations
- Designs supporting continuous process operation
- Long-term reliability under extreme operating conditions
- Mechanical protection suitable for harsh industrial environments
All designs are developed project-specifically, based on the real operating conditions of the metallurgical process.
Technical Limits
- Power rating: Up to 10 MVA
- Voltage level: Up to 36 kV
- Secondary side: Very low voltage / very high current
- Cooling: ONAN / OFAF (project-specific)
- Insulation class: Class F / Class H (process-dependent)
Applicable Standards
Metallurgical and arc furnace transformers are designed in accordance with the following standards:
- IEC 60076 – Power transformers
- IEC 60289 – Reactors
- Project-specific metallurgical and process technical specifications
Certification & Compliance
- Full compliance with customer and EPC technical specifications
- Process-specific electrical and mechanical verification
- Traceable and controlled manufacturing processes
- Quality management suitable for heavy industrial projects
Testing & Quality Assurance
- Routine electrical tests
- Thermal performance verification
- Short-circuit withstand analysis
- Project-specific additional tests
Related Engineering Capabilities
Metallurgical and arc furnace projects are supported by ESTA’s engineering and manufacturing capabilities:
- Transformer Design & Engineering
- Winding & Magnetic Systems Manufacturing
- Core Manufacturing & Assembly
- Testing & Validation
All project-specific and special tests are performed at independent, internationally accredited testing laboratories.
All transformers are delivered with detailed test reports, technical files, and full traceability documentation.
WHY ESTA FOR MARINE & OFFSHORE?
- No catalogue-based or standard products
- Heavy-industry-focused engineering approach
- Designs optimized for extreme current and thermal conditions
- Reliable operation for demanding metallurgical processes
- Compliance with international standards
Looking for a custom-engineered transformer solution for your copper, aluminum, or arc furnace project?
Contact ESTA’s engineering team to discuss your requirements.