Dry type distribution transformers - power distribution transformers

TMC Transformers manufactures cast resin standard distribution transformers suitable for indoor and outdoor installation, both standard and reduced losses dry-type transformers, from 50kVA to 25MVA with system voltages up to 46kV.

We offer both aluminium and copper-wound solutions each available with class 155 or 180 insulation systems.

TMC products are designed, manufactured and tested in accordance with all national and international standards, in order to offer long term reliability and minimum maintenance.

The ability to withstand short circuit forces is checked with finite elements analysis software.

Simulations, an essential tool for designing quality!

from 50kVA to 25MVA with system voltages up to 46kV

Either aluminum or copper winding

Air cooling channels in the coil yield better thermal efficiency

Epoxy resin combined with foil winding guarantees short-circuit resistance

TMC standard products portfolio

Cast Resin Transformer - COPPER WINDINGS

Cast Resin Transformer - ALUMINIUM WINDINGS

Our products

Cast Resin Transformers - According to DOE 2016 - Copper winding

Cast Resin Transformers - According to DOE 2016 - Aluminium winding

IEEE C57.12.01 - AL - 60Hz

IEEE C57.12.01 - CU - 60Hz

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An example of a successful product:

Power rating: 2500kVA
Compact design
K13 harmonic profile
Electrostatic screen

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Small hydro projects usually have faster environmental and licensing procedures. The equipment is usually in serial simplified production and the related civil works construction is reduced. The physically smaller size of equipment makes it easier to transport and install.

Example:

Power: 1500/2000kVA
Primary Voltage: 11kV
Secondary Voltage: 0,69kV
Frequency: 50Hz
Protection: NEMA 3R
Cooling: AAFA
Weight: 11,000 lbs

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We supply ECO-designed transformers with reduced loads and no load losses to meet European directives and specific project requirements.

Transformers are capital goods with a service life of many decades, so lifetime costs are an important part of the initial purchase price.

Power: 1250kVA
Primary Voltage: 20kV
Secondary Voltage: 2 x 0,27kV
Frequency: 50Hz
Cooling: AA
Weight: 8580 lbs

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Outdoor installations normally rely on oil-insulated transformers, even though environmental protection or easy maintenance demands the use of special dry type transformers.

Power: 2000kVA
Primary Voltage: 11kV
Secondary Voltage: 0,433kV
Frequency: 50Hz
Outdoor Protection: NEMA 12
Cooling: AA
Weight: 14,300 lbs

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Many electric engines are found on vessels. Such motors are generally powered using VSD and custom converter transformers. Drills, thrusters, compressors, pumps, etc. are typically configured as described.

EXAMPLE: