Mining Project – 110kVA Three Phase Transformer in IP56 Enclosure

We are proud to complete yet another 3 Phase Isolation Transformer in full IP56 enclosure, this transformer is for a current mining project being undertaken in South Australia.

Specifications for the following transformer are as follows:

  • Type: Three Phase Isolation Dry Type Transformer
  • Rating: 110kVA
  • Frequency: 50Hz
  • Vector: Dyn11
  • Input Volts: 1000V plus +-5% Taps (Taps at 950V and 1050V)
  • Output Volts: 400V
  • IP56 Enclosure (Referring to Dirt/Water Ingress Rating)

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Item 1 – Cast Resin type Isolation Transformer

HV Winding 1

LV Winding 1

LV Winding 2

Rated power

kVA

315

1250

1250

Rated voltage

kV

33

0.48

0.48

Frequency

Hz

50

Off circuit tapping links

%

±2.5%, +-5%

Nil

Nil

Connection

Delta

Star

Star

Vector group

Dy11y11

Insulation level (Maximum BIL/AC)

kV

150/70

10/3

10/3

Winding material

Aluminium cast windings in quartz filled self-extinguishing epoxy resin

Aluminium cast windings in quartz filled self-extinguishing epoxy resin

Aluminium cast windings in quartz filled self-extinguishing epoxy resin

Type of winding

Vacuum Resin Cast

Vacuum Resin cast

Vacuum Resin cast

Standard

AS 60076-11, AS 2374

Installation

Indoor

Degree of protection

IP22

Type of cooling

AN/AF

Installation altitude

< 1000 a.m.s.l

Climatic/environmental

And fire behaviour class

E2-C2-F1

test