Power Transformers
Virginia Transformer Corp (VTC), dry-type, liquid-filled, drive/rectifier, LTC, and UNICLAD power transformers from 1 kVA to 100+ MVA for utility, industrial, renewable, and transit applications across North America.
5
ISO 9001:2015 Plants, North America
100+ MVA
Max Liquid-Filled Rating
20,000 HP
Max Drive / Traction Rating
5
Market Segments Served
About Virginia Transformer Corp
Transforming Energy for America
Virginia Transformer Corp (VTC) is one of North America's largest domestic power transformer manufacturers, operating five ISO 9001:2015 certified plants and delivering units from small dry-type distribution transformers to large power transformers up to 100 MVA.
With deep expertise across utility, commercial, industrial, renewable energy, and transit markets, VTC builds every transformer to the most demanding IEEE, IEC, UL, CSA, ABS, and FM standards, on time, with full traceability.
kodeksallc is an authorized distributor of Virginia Transformer Corp products, supporting procurement and field services for customers across North America and internationally.
“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.”, VTC Mission Statement
Product Scope
Drive & Rectifier Transformers
Up to 5,000 kW rectifier duty, AC/DC drives, cycloconverter, and dynamic voltage regulator applications.
Dry-Type Transformers
UL listed up to 5,000 kVA, 35 kV class, 220°C insulation system. NEMA 1 or 3R enclosures.
Liquid-Filled Transformers
UL listed up to 100 MVA, 69 kV class. Natural ester, synthetic ester, and mineral oil options.
LTCs & Regulators
Load tap changers and voltage regulators for utility substation and distribution applications.
UNICLAD Transformers
Proprietary enclosure system for harsh, coastal, and chemical/hazardous environments (Class I, Div II).
TENV Transformers
Totally enclosed non-ventilated units for contaminated, wet, or outdoor environments.
VCM Monitoring & VCM Sentry
Vibration and condition monitoring systems for online transformer health diagnostics.
Markets / Applications
Serving Every Power-Critical Sector
Commercial & Industrial
- Rectifier Duty
- Paper & Cement Mills
- Steel Mills
- Motor Start
- Fan, Pump & Compressor Operations
- Data Centers
- Bitcoin Mining
- EV Charging Stations
- Hoists
- Mining
- Drive Isolation (AC, DC)
- Chemical Plants / Ethanol
- Oil & Gas: Refineries, Pipelines, Storage
- Zig-Zag Transformers
- Special Fluid (Natural & Synthetic Ester)
- Chemical/Hazardous (Class I, Div II, Group C & D)
- Coastal / Offshore
- Cycloconverter Application
- Dynamic Voltage Regulator
- Grounding Transformer
- Unit Substations
Utility
- Substation
- Voltage Regulator
- Auto-Transformer
- Grounding Transformer
- Sub Transmission
- Bi-Directional
- Generator Step Up (GSU)
- Unit Auxiliary Transformer (UAT)
- Station Service Transformer (SST)
- Excitation
- Generator Start Up
- Reverse Auxiliary Transformer
Renewables
- Solar & Wind Power
- Geothermal
- Biomass
- Battery Energy Storage System (BESS)
Commercial / Institutional
- Hospitals
- Offices
- Universities
- Airports
- Hotels
- Unit Substations
Transit & Large Drive
- Extra Heavy-duty Traction (RI9)
- ANSI Circuit 25, 26, 25 & 26, 31, 41
- Up to 5,000 kW Rectifier
- Up to 20,000 HP, AC, DC
- Liquid-filled: 55°C or 65°C Rise
- Dry-type: 80°C, 115°C, 150°C Rise
Parts & Components
Browse Transformer Parts
Dry-Type Transformer Components
Windings, core assemblies, tap changers, terminal boards, and cooling fans for VTC dry-type units up to 5,000 kVA.
Liquid-Filled Transformer Parts
Bushings, conservators, pressure relief devices, radiators, and monitoring sensors for VTC liquid-filled units up to 100 MVA.
LTC & Regulator Assemblies
Load tap changer contacts, drive mechanisms, and control components for voltage regulators and autotransformers.
VCM Monitoring System Parts
Vibration and condition monitoring sensors, data loggers, and display modules for VCM and VCM Sentry systems.
Qualifications
Built to the Highest Standards
5 ISO 9001:2015 certified manufacturing plants in North America
UL listed dry-type up to 5,000 kVA, 35 kV class, 220°C insulation system, NEMA 1 or 3R
UL listed liquid-filled up to 100 MVA, 69 kV Class
IEEE, CSA, IEC, UL, CUL, CE, ABS, FM certified
Field Service Options
End-to-End Support After Delivery
Field Installation
Crane Service / Offloading
Assembly On Site
Field Testing
Hot Oil Vacuum Processing
On Site Training
For field service inquiries: FieldService@vatransformer.com
FAQ
Frequently Asked Questions
What transformer voltage and power ratings does Virginia Transformer Corp offer?
VTC manufactures transformers from small distribution units up to 100 MVA at 69 kV class for liquid-filled units, and dry-type units up to 5,000 kVA at 35 kV class. Custom ratings beyond standard ranges are available on request.
What fluid options are available for liquid-filled transformers?
VTC offers mineral oil, natural ester fluid (biodegradable), and synthetic ester fluid options. Natural and synthetic ester fluids are rated for Class I, Division II hazardous environments and coastal/offshore applications.
Can VTC transformers be used in harsh or hazardous environments?
Yes. VTC's UNICLAD transformers and chemical/hazardous-rated units are designed for Class I, Division II, Group C & D environments. Coastal environment and offshore configurations are also available.
What certifications do VTC transformers carry?
VTC transformers are manufactured to IEEE, CSA, IEC, UL, CUL, CE, ABS, and FM standards across five ISO 9001:2015 certified North American plants.
Does VTC provide field services after delivery?
Yes. VTC offers field installation, crane service and offloading, on-site assembly, field testing, hot oil vacuum processing, and on-site operator training through their field service team. Contact FieldService@vatransformer.com.
Does kodeksallc supply genuine VTC and Sunbelt Solomon transformer parts?
Yes. kodeksallc sources Virginia Transformer Corp and Sunbelt Solomon power transformers, parts, and accessories with full traceability and certification documentation, shipped worldwide.
Need a Power Transformer Quote?
kodeksallc sources Virginia Transformer Corp and Sunbelt Solomon power transformers and parts worldwide, with full certification documentation and competitive pricing.
Virginia Transformer Corp, 1936 Blue Hills Dr NE, Roanoke, VA 24012 · (540) 345-9892 · (800) 882-3944