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Transformers LV/LV
The main function of these tranformers is to guarantee the galvanic separation between the...
MV/LV oil transformers
Oil transformers are set apart by their construction quality and reliability. The magnetic core is made of isolated oriented grain magnetic metal plates on both sides. The particular cut and assembly of the casing means the step lap joints reduce noise as well as no load current.
The low voltage winding is installed internally and the medium voltage winding is placed externally to obtain a compact and robust MV+LV coil (suitable for supporting heavy electrodynamic strains caused by short circuits).
Each transformer has a commutator which allows the alignment of voltage available in the machinery. The tank is normally made of steel and its sections are welded together to obtain an excellent oil holding even in high temperatures.
The insulation used in the MV side is made in compliance with 20/250 UNEL 38144-74 standards while the insulation on the LV side are compliant with UNEL 38128-67 standards.
The low voltage winding is installed internally and the medium voltage winding is placed externally to obtain a compact and robust MV+LV coil (suitable for supporting heavy electrodynamic strains caused by short circuits).
Each transformer has a commutator which allows the alignment of voltage available in the machinery. The tank is normally made of steel and its sections are welded together to obtain an excellent oil holding even in high temperatures.
The insulation used in the MV side is made in compliance with 20/250 UNEL 38144-74 standards while the insulation on the LV side are compliant with UNEL 38128-67 standards.
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MV/LV cast resin transformers
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