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September 15, 2025
September 15, 2025

Drying Transformers and Effects of Moisture

How to Do Transformer Design Review Watch the Full Webinar
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September 15, 2025
September 15, 2025

How To Do Transformer Design Review

How to Do Transformer Design Review Learn About Design Review
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September 8, 2025
September 8, 2025

Applicable Transformer Standards and Interpretations

How to Do Transformer Design Review Watch to Learn More
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September 4, 2025
September 4, 2025

Factory Acceptance Tests

How to Do Transformer Design Review Learn What Pass and Fail Criteria Matter: Watch Now
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September 4, 2025
Webinar introduction for transformer design review.
September 4, 2025

How to Do Transformer Design Review

How to Do Transformer Design Review Validating Design: Watch Now
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August 29, 2025
Webinar field failure modes, investigation, and prevention cover image.
August 29, 2025

Power Transformer Field Failure Modes, Investigation and Prevention

Power Transformer Field Failure Modes, Investigation and Prevention From Insight to Action : Watch Now
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CONTACT US

220 Glade View Drive, Roanoke, VA 24012
Main Office: (540) 345-9892
Fax: (540) 342-7694
U.S. Sales: sales@vatransformer.com
Service Contacts: (800) 882-3944

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OUR MISSION

“To build the most reliable power transformer, designed and manufactured by engineers and technicians using time-tested processes; to train and develop our employees to provide a premium product, ensuring defect-free performance on time to every customer.”

PORTFOLIO

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    Specialty Transformers

    • Neutral Deriving Transformers
    • Drive Isolation Transformers (18/24/36 Pulse Available)
    • Rectifier Duty Transformers
    • Furnace Transformers
    • Zig Zag Transformers
    • Three Phase Voltage Regulators (Up to 69 kV, 50,000 kVA Throughput)
    • Air Core Reactors


    • Scott T Transformers
    • Single Phase Transformers
    • Phase Changers
    • Auto Transformers
    • Inter-Phase Transformers
    • Dual Voltage Transformers
    • Reconnectable Transformers
    • Other applications available

    Dry Type Transformers

    VPI (Vacuum Pressure Impregnated)

    • 300kVA to 20MVA
    • Up to 35kV Class
    • 220° Class Insulation

    UN/Clad® Encapsulated Coils

    • 300kVA to 15MVA
    • Up to 35kV Class
    • 220° Class Insulation

    Totally Enclosed Non-Ventilated (TENV)

    • Up to 5,000kVA
    • Up to 35kV Class

    Liquid Type Transformer

    Ratings

    • 500kVA to 1,400MVA
    • Up to 500kV Class

    Cooling Fluids

    • Mineral Oil, Envirotemp (FR3), Beta, Silicone

    Fluid Preservation

    • Sealed Tank (Standard)
    • Automatic Nitrogen System
    • Conservator

    LTC

    • Up to 500MVA