Pennsylvania Transformer Technology (PTT) repairs, services and maintains high-voltage power transformers, load tap changers and circuit breakers from any OEM. Our Power Solutions team delivers transformer repair, rewinds and refurbishment, plus nationwide transformer field service, oil processing, regasketing, bushing replacement and circuit breaker repair on site. Backed by the original Pennsylvania Transformer, McGraw-Edison and Cooper Power design and test data, PTT engineers and field technicians help utilities and industrial plants extend equipment life, reduce downtime and get emergency parts overnight.
PTT services the following systems and components, regardless of the original manufacturer.
PTT provides national transformer field service through three operating regions, each led by a general manager and regional service managers with dedicated crews. Our field service technicians serve utilities, cooperatives and industrial plants across Pennsylvania and the United States.
Maintenance: • Re-gasketing • Leak repairs • Bushing replacementsTechnical: • Condition assessments • Life extension recommendations • LTC Maintenance– repair, refurbish, ReplaceOil Processing: • Vacuum filling • Dryouts • Hot oil degassing • Oil testingInstallations and Relocations: • Complete assemblies • Disassemblies
Green Core is PTT’s specialized transformer and high-voltage breaker decommissioning, dismantling and recycling group. As part of the Power Solutions team, Green Core delivers safe, compliant, and environmentally responsible end-of-life asset management for utilities, cooperatives, and large industrial operators across the United States. Backed by decades of hands-on experience, our crews handle the full lifecycle retirement of power transformers, HV breakers, and substation equipment — on-site or off-site — with a “safety always” approach that protects your people, your site, and the environment.
Tell us about your equipment and the work you need. The more detail you give, the faster a PTT solutions expert can send an accurate quote. Equipment down? Call (724) 873-2100.
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A PTT solutions expert will get back to you soon. Questions? Call (724) 873-2100 or email [email protected].
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Answers on transformer repair, field service, load tap changer repair, circuit breaker repair, oil processing and engineering support for high-voltage equipment from any OEM.
PTT's Power Solutions team repairs, services and maintains high-voltage power transformers, load tap changers and circuit breakers from any OEM for utilities, cooperatives and industrial plants. Services include factory repair and refurbishment, nationwide field service, oil processing, engineering studies and decommissioning. PTT also owns the historical design and test data for Pennsylvania Transformer, McGraw-Edison and Cooper Power transformers.
Request a transformer service quote.
PTT field service technicians perform power transformer field repairs and maintenance on site, including re-gasketing, leak repairs and bushing replacements. They also handle condition assessments, life extension recommendations, load tap changer maintenance, oil processing, and complete installations, disassemblies and relocations.
Request transformer field service.
Yes. PTT field crews perform complete transformer re-gasketing, leak repairs and bushing replacements. Crews carry vacuum and oil-processing equipment, so oil can be handled on site as part of the job.
Ask about regasketing and leak repair.
PTT repairs, refurbishes and replaces load tap changers, and its field technicians perform LTC maintenance and LTC parts replacement and refurbishment on site. PTT also supports control upgrades and field retrofits for aging LTCs, and owns the historical design data for McGraw-Edison and Cooper Power equipment.
Request LTC repair or service.
Yes. PTT field technicians handle circuit breaker parts replacement and refurbishment, and the Power Solutions team can rebuild and provide complete new breaker mechanisms such as OA3, OA4 and M01. Overnight shipment is available for emergency needs.
Call (724) 873-2100 or send a breaker repair request.
Yes. With a dedicated staff of engineers and drafters, PTT repairs and refurbishes transformers from the smallest to the largest. Factory services include coil rewinds, mechanical repairs and refurbishments, furnace transformer repair and inspection services.
Request a repair or rewind quote.
PTT offers overnight shipment of emergency breaker mechanisms and replacement parts. For a failed or failing transformer or breaker, call (724) 873-2100 and a PTT solutions expert will respond.
Send an urgent request.
PTT's oil processing services include vacuum filling, dryouts, hot oil degassing and oil testing. PTT supports both mineral and natural ester fluids.
Ask about oil processing.
Start with a condition assessment and life extension recommendations from PTT. PTT engineers can add loading capability studies, cooling enhancement studies, condition appraisals and stray flux analyses, and PTT crews carry out the maintenance, bushing and LTC work or a full refurbishment.
Request a condition assessment.
PTT provides national field service through three operating regions, each led by a general manager and regional service managers with dedicated crews. Technicians are headquartered at PTT's Canonsburg, PA facility, and the fleet is DOT compliant with EH&S training and support.
Call (724) 873-2100 or email [email protected].
Yes. PTT field service technicians provide complete installations and relocations, including full assemblies and disassemblies of high-voltage transformers.
Request installation service.
PTT covers the full transformer lifecycle: inspections and repair through its field and factory teams, and decommissioning, dismantling and recycling through Green Core. Green Core retires power transformers, HV breakers and substation equipment on site or off site for utilities, cooperatives and large industrial operators across the United States, with a "safety always" approach.
Plan a decommissioning project.
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