DO-32485/EN/EL - Supply of maintenance of four transformer tap-changers rated 400 kV and 66 kV, renovation and revision works on two tap-changer motor-drives

This Technical Specification concerns the supply of preventive maintenance on four tap-changers of high voltage transformers rated 400 kV and 66 kV, renovation and revision works on two tap-changer motor-drives. Deliveries of maintenance works are foreseen from May 2020 to June 2020.