Rated Power

5MVA - 500MVA

Primary Voltages

11, 22, 33, 66, 90, 132, 275 & 400 kV or custom specification

Secondary Voltages

3.3, 6.6, 11, 33, 66, 132 , 275 kV or custom specification

Rated frequency

50 or 60 Hz

HV Tapping

On-load and off-load tapping

Cooling Type

ONAN (mineral oil) or KNAN (synthetic ester)

Vector Group

Fully customisable

Core Material


Winding Material

Alumnium or copper

Regulation Compliance

Tier 1 or Tier 2 EU Eco Design

Manufacturing Standards

IEC 60076 or custom specification

Breathing Type

Conventional free-breathing, hermetically sealed or with conservator

Temperature rise

60/65C or fully customised


Tank mounted cooling radiator panels, separate cooling banks or heat exchangers

HV & LV terminals

Air cable box type (33kV max) or open bushings


Indoor or Outdoor

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