ALSTOM Grid

The Drycol Refrigerated Breather System. Transformers operating at high voltages must have their insulating oil and paper insulation as dry as possible in order to prevent failure due to the accelerated ageing effects.



  • The Transformer Services Department of ALSTOM T&D’s service business can provide specialist technica
  • Type A and type B Drycol Breathers
  • The Company’s Service Engineers have working experience on tapchangers of all manufacturers and are
  • We have extensive experience in the movement and relocation and uprating of all sizes of transformer