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On-load tap-changer and its use for voltage regulation in a distribution transformer
On-load tap-changer and its use for voltage regulation in a distribution transformer
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机译：有载分接开关及其在配电变压器中调节电压的用途
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摘要
On-load tap-changer (1) for uninterrupted switching between different winding taps of a tapped transformer, wherein at least one selector contact unit (7.1 ... 7.3), each with a plurality of fixed selector contacts, each electrically connected to the individual winding taps, along a line, wherein the fixed Selector contacts by two longitudinally movable movable selector contacts are actuated, being arranged for uninterrupted switching for each phase two vacuum interrupters, wherein a motor drive for initiating a drive movement in the on-load tap-changer (1) on the outside of a transformer cover (2) is arranged, wherein the on-load tap-changer ( 1) by means of a transmission module (3) on the underside of the transformer cover (2) is arranged, and wherein the at least one selector contact unit (7.1 ... 7.3) and switching means for uninterrupted switching (19.1 ... 19.6) by means of the common en motor drive (4) are directly operable, such that the initiation of the drive movement of the motor drive (4) on the at least one selector contact unit (7.1 ... 7.3) and the switching means for uninterrupted switching (19.1 ... 19.6) without the interposition of an energy storage he follows.
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