

Transformers COMTRAFO
Three-phase transformer, built with a corrugated tank, featuring a sealed integral filling system, ideal for installations with limited physical space. Manufactured with insulating liquid in accordance with ABNT NBR, IEC, ANSI / IEEE standards, and other specific standards of all utilities and/or clients.



Transformer
Compact

Power Range: 225kVA to 10,000kVA
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High Voltage (AT): Class 7.2kV, 15kV, 25kV, and 36.2kV
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Low Voltage (BT): Class 1.2kV, 7.2kV, and 15kV
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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).