Voltech


This 400kVA, 3-phase, oil-immersed transformer is manufactured by VOLTECH TRANSFORMER CO., LTD. Designed for outdoor service, it features an ONAN (Oil Natural, Air Natural) cooling method. The unit operates at a frequency of 50 Hz, with a rated voltage of11 kV on the primary side and 0.416Y/0.24 kV on the secondary side. It is built and tested in accordance with IEC 60076 and IEC 60296 standards.
Product Features
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● Type: 3 Phase, Oil immersed
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● Cooling Method: ONAN (Oil Natural, Air Natural)
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● Vector Group: Dyn11
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● Winding Connection: Primary-Delta, Secondary-Star (Neutral brought out)
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● Core Type: Cold-Rolled Grain Oriented
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● Winding: Copper
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● Location of Service: Outdoor
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● Impedance voltage at continuous rated power: ≥4%
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● Insulation level: A
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● Corrosion Protection: Painting on the inside and outside of the tank
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● Transformer Oil: Mineral oil conforming to IEC 60296
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● Applicable Standards: IEC 60076 and IEC 60296