Sen Engineering Solutions, Inc. develops power-flow control technology for electric transmission grids, including its patented SMART Power Flow Controller, which functions as an impedance-regulating transformer. The company reports that a commercial-grade Sen Transformer was manufactured and tested at 33 kV with a throughput rating of ±6.5 MVA, and describes its work as spanning research and development, engineering, sales, manufacturing, and quality assurance.
SGB-SMIT USASGB-SMIT USA manufactures large, medium, distribution, cast resin, and dry-type power transformers, as well as custom medium-voltage switchgear. It also provides transformer and switchgear field, repair, testing, maintenance, commissioning, refurbishment, and installation services for utilities, industrial facilities, data centers, oil and gas, substations, and wind power.LOUISVILLE, OH
T-Star EngineeringDeveloped from proprietary SVC technology first created in the early 1990s, T-Star Engineering designs and builds dynamic reactive-power compensation systems for industrial and utility power networks. The Southwest Pennsylvania manufacturer makes its own medium-voltage thyristor switches and high-speed controls, then supports installations through commissioning and secure remote monitoring. More than 150 uniquely specified systems have been installed, including mobile units that can be disconnected and redeployed in less than a day.GREENSBURG, PA
JVC ElectricWith more than 30 years of experience, Mississauga-based JVC Electric manufactures custom dry-type power transformers for industrial and commercial applications. Its range runs from compact 0.25 kVA units to 600 kVA systems, with designs focused on low sound levels, low exciting current and efficient copper windings. JVC also provides rewinding and repair services, and its transformers are made to CSA and UL requirements for shipment across Canada, the United States and worldwide.GARNERVILLE, NY
Control Transformer, IncEstablished in 1953, Cortland, Ohio-based Control Transformer designs and manufactures custom magnetic solutions for demanding power applications. The ParkOhio company has developed more than 14,000 individual magnetic specifications, with long-tenured engineering and manufacturing teams supporting projects from concept through delivery. Its ISO 9001-compliant quality system and reported failure rate below 1% reflect a focus on dependable products, including magnetics built for harsh mining and industrial environments.CORTLAND, OH