Tortech Testing Facilities

Tortech has now in operation world class testing facilities for Three Phase Dry Type Transformers. This type of transformer has many advantages over the traditional Oil Filled Type Transformer including:

  1. No oil leakage.
  2. No need to check oil quality.
  3. No need for a bung wall for oil leakage.
  4. Dry type transformers are maintenance free.
  5. They meet requirements of being fire proof, smoke proof, high insurance risk facilities.
  6. Can be used for basements of buildings, tunnels or underground mining applications.

Tortech offers all types of Dry Type transformer designs and manufacturing for applications across different areas including solar, wind farm, railway, mining, building and defence.

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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