De-energized tap-changer type KdV

Hitachi Energy offers low voltage rotary type de-energized tap-changers. Type KdV for liquid-filled distribution transformers, which combine electrical and mechanical reliability with the versatility of application and ease of connection to transformer tapping leads.

Hitachi Energy's KdV tap-changers are provided in single, three, or six-switchboard versions.

Product scope

• Liquid-filled distribution transformers
• Range: Um ≤ 24 kV, Ir ≤ 300 A
• Compliant with IEC standards

Why Hitachi Energy

• High-class material assures 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