Power transformers

Brush Transformers are globally recognised for the quality of products, innovation and service



Brush are recognised as a leading independent transformer solutions provider, offering bespoke British designed and built liquid filled transformers (6.25kV-145kV) as a turnkey offering. Continuing design innovation, allied to over 125 years of consultative transformer expertise, ensures the most technically demanding projects are supported by a comprehensive product range:

  • System Transformers
  • Generator Step-Up Transformers
  • Grid Connection Transformers
  • Power Transformers
  • Series Current Limiting Reactors
  • Motor Unit Transformers
  • Rectifier Transfomers

To discuss a current or future transformer project contact us.

  • High efficiency transformers based on European Union EcoDesign Directive;
  • Alternative cooling fluids including Midel and FR3 for environmentally sensitive or urban sites;
  • Low noise level transformers with advanced core build technology and variable speed fan options;
  • Partial discharge free design through an optimised insulation structure extends operational lifespan;
  • Compact design reduces substation footprint and total project cost;
  • Cooling methods:
    • Oil Natural Air Natural (ONAN)
    • Oil Natural Air Forced (ONAF)
    • Oil Forced Air Forced (OFAF) with pump and fan or air blast coolers
    • Oil Forced Water Forced (OFWF) using heat exchangers
    • Air Forced (AF)
    • KNAN
UK Reference list
Overseas reference list
UK Power Networks Bermuda Electric Light Company (BELCO)
Western Power Distribution Abu Dhabi Water & Electricity Authority
Northern Power Grid Bahamas Electricity Corporation
Energy North West Shell
Scottish Power Aramco
Scottish & Southern Energy NIOC
Tamesis ITS
Network Rail  
Green Frog