ABB high voltage linear type de-energized tap-changers type AT represent a perfect solution for applications in which a low value of partial discharges is required. Space saving design and high-class material assure the best performance and reliability.
ABB offering includes a wide range of single-phase and three-phase, fixed point or bridge type AT de-energized tap-changers, which are configurable to specific customer’s needs.
- High class material assure the longest lifetime
- Proven solutions with decades of successful field experience.
- Type tested beyond international standards
- High reliability by using few parts and low complexity in design
- Little to no maintenance
- Space saving designs
- Oil-filled transformers
- range: Um ≤ 300 kV, Ir ≤ 650 A
- Compliant with IEC standards
- Material excellence allows use in tropical environments