Transformers COMTRAFO
Distribution transformers for poles and platforms, underground use, industrial, and for applications in wind and photovoltaic generation, up to the voltage class of 36.2 kV, manufactured with insulating liquid in accordance with ABNT NBR, IEC, ANSI / IEEE standards, and other specific standards of all utilities and/or clients.
Trafo de Distribuição
Trafo de Distribuição
transformer
Distribution
Power Range: 500kVA to 100,000kVA
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High Voltage (AT): Class 7.2kV, 15kV, 25kV, 36kV, 72kV, 145kV, and 245kV
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Low Voltage (BT): Class 1.2kV, 7.2kV, 15kV, 25kV, 36kV, 72.5kV, and 145kV
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Installation: Cabins or Substations / Indoor/Outdoor environments, normal or aggressive.
Main Features:
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Coils: High and Low Voltage coils made from electrolytic copper with 99.99% purity.
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Core: Made from oriented grain silicon steel sheets, ensuring reduced losses due to eddy currents.
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Enclosure: Made of carbon steel, with surface treatment by abrasive blasting, anti-corrosion protection through primer application, and final painting via the "flooding" system.
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Active Part Drying: Carried out in an oven to ensure the absence of moisture within the equipment.
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Final Assembly: Sealing and filling performed in a controlled environment.
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Final Testing: Conducted with the issuance of respective reports.
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Insulation: Mineral oil or special fluids (silicone oil, biodegradable vegetable oil, R-TEMP fluid).