Pennsylvania Transformer Technology, Inc.           
Pennsylvania Transformer Technology Inc. (PTTI) is an industry leading manufacturer of a wide range of sizes and types of power transformers for electric utility and industrial applications. PTTI is a US-owned power transformer company with a rich heritage that dates back to the late 1920's. Within its two locations, PTTI manufactures transformers rated from 5MVA to 600MVA and 345kV.
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           About Us

pennsylvania transformer technology inc. (ptti) is a us-owned, industry leading manufacturer of a wide range of sizes and types of power transformers for the investor-owned electrical utility, public power, municipal power, and industrial markets. within its two us locations, ptti manufactures transformers rated from 5mva to 600mva and 345kv. this includes substation units, generator step-up units, autotransformers, grounding transformers, mobile transformers, unit auxiliaries, unit substations, and three-phase voltage regulators. 

we have a rich heritage that dates back almost a century. our main headquarters is located in canonsburg, pa and is the former site of mcgraw-edison and cooper power systems transformer operations. our roots designing and manufacturing power transformers extend back to 1929 with transformers being made in our canonsburg facility since the 1950s. our sister facility, devoted to small power transformer production, is located in raeford, nc and has been producing transformers under current ownership since it was built in 1992.

Capital investments in our manufacturing facility have produced a world-class power transformer plant. Our one-million square-foot facility provides tremendous capabilities; including a one-million pound lifting capacity and an impulse generator capable of 2400kV and 360kJ. We employ experienced design engineers who use finite-element-analysis and 3D computer modelling software to optimize designs. We design/build to customer specifications and industry standards such as ANSI, IEEE, NEMA and CSA. Our ISO-based systems assure maximum dielectric and short-circuit strength resulting in the highest quality, reliability and a long, trouble-free service life. PTTI’s promise is to build the best power transformers in the industry through superior processes, work ethic and employee pride.

The former site of McGraw-Edison and Cooper Power Systems transformer operations has undergone extensive modernization to make it a state-of-the-art transformer production facility.

• 20 miles from Greater Pittsburgh International Airport
• Near the intersection of Interstate Highways 79 and 70
• Visible From I-79 at Canonsburg Exit 45

• 90 Acres of Land
• 18 Buildings, 1.2 Million sq. ft.

• Test Capability: 765 kV, 2400 kV BIL
• 500 Tons of Lifting Capacity
• North America’s largest GEORG Automatic Core Cutting & E-stacking Line
3d和值表 • 200,000 square-foot Tank Fabrication Bay

Our Raeford, NC facility was built in 1992 and is devoted to the production of small power and padmount transformers.

• 20 Miles From the Fayetteville, N.C. Airport
• 2 Hours from Raleigh, N.C. Airport Plant
• 10 Acres of Land
• 56,000 sq. ft.

• Test Capability: 138 kV, 550 kV BIL
• 60 Tons of Lifting Capacity
• Vacuum Oil Filling
• Vapor-phase Processing
3d和值表 • Oil De-aeration Facility

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