ester oil transformer

Hitachi Energy hands over India’s first 400 kV, synthetic ester fluid-filled transformer to PGCIL

Hitachi Energy, on July 15, 2025, flagged off India's first 400kV class, 315 MVA rating, three-phase synthetic ester fluid-filled power transformer for Power Grid Corporation of India Ltd (PGCIL). This occasion marks a significant milestone in Read more

Hitachi Energy successfully tests 765kV ester-oil transformer

Hitachi Energy has successfully tested a 765kV/400kV single-phase, 250 MVA natural ester-filled oil transformer. This breakthrough innovation makes this transformer the first in the world at this voltage and power level, with the implementation of ester oil providing a Read more

AEML Green Transformer | T&D India

AEML commissions India’s first synthetic ester oil-filled transformer

  Adani Electricity Mumbai Ltd (AEML) recently commissioned India’s first synthetic ester oil-filled 220kV, 125MVA capacity power transformer in its Mumbai transmission network. Supplied by Siemens' Kalwa works, the green transformer was commissioned in a record time of 15 days. In Read more