Patent ID: 9543096
Date: 2017-01-10
CPC Classifications: H01F,H01H,H02P

Claim:
1. An on-load tap changer for uninterrupted switching between different winding taps of a tapped transformer, wherein at least one selector contact unit with a respective plurality of fixed selector contacts, which are respectively electrically connected with the individual winding taps, is arranged along a line, the fixed selector contacts are actuatable by two longitudinally displaceable movable selector contacts, wherein for the uninterrupted switching two vacuum interrupters are provided for each phase, a motor drive for introducing a drive movement into the on-load tap changer is provided, and the at least one selector contact unit and the switching means for the uninterrupted switching are so directly actuatable by the common motor drive that introduction of the drive movement of the motor drive into the at least one selector contact unit and the switching means for the uninterrupted switching takes place without interposition of a force-storing device.