cast resin transformer

Rating up to 2500 kVA and nominal voltage up to 36 kV.

The transformers are built in accordance with IEC 726 standards.

The core is built up of cold rolled oriented grain steel sheet with low specific losses, insulated on both sides by a thin inorganic coating (Carlyte). The sheets composing the core are cut at 45 degrees. Uniform pressing, stiffness and solidity of the columns assure a low noise level.

The high voltage windings are made of electrolytic aluminum conductors (wire or foil strip depending upon power and voltage requirements). It is possible to produce copper windings. The windings are englobed under vacuum in class F epoxy resin. The accuracy of execution of these processes allows the obtainment of windings free from partial discharges.

The low voltage windings are made of strip or foil (copper or aluminum conductors depending upon power and voltage requirements). Class H insulating material is used.

Standard accessories:

Skid under base or truck with bidirectional wheels.

Lifting lungs.

Earthen terminal.

N° 3 PT100 probes.

Optional accessories:

Thermometer dial type with electric contacts.

Temperature monitoring unit without display.

Temperature monitoring unit with display.

Fan ventilation.

Fan drive unit.

Anti vibration pad;

Enclosure;

Typical accessories are offered:

UL class B insulation system for 130°C
UL class F insulation system for 155°C
UL class H insulation system for 180°C
Built-in fuse or fuse holder
Built-in thermal protection by thermal switch or thermal fuse
Clips
Connectors
Cable / cable with connector
DIN Rail mountings
RAST5 bobbin
Varnishing
Vacuum impregnation
Resin moulding in box (potting)
Vacuum moulded in box
Vertical / tall or horizontal / low profile design

Cast resin transformer

- Sizes up to 2500 kVA up to 36 kV nominal voltage.

- Constructed according to IEC 726 standard.

- Aluminum or copper windings.

- Core of grain oriented electrode

All transformers are made according to EN61558 - unless otherwise agreed.

All transformers are tested before despatch.

Custom products