| 摘要 |
<p>An electrical tap changer for a test bed for testing transformer characteristics according to the present invention comprises: a plurality of support plates (110) arranged horizontally, and installed in a multi-story structure vertically separated at particular intervals; a plurality of fixing terminal units (120) arranged and fixed along a circle on each support plate (110) at regular intervals and assigned different voltage values or current values; a rotary shaft unit (180) extended vertically and rotatably inserted through a middle of each support plate (110) sequentially; a rotary terminal unit (130) which is horizontally arranged on each story and wherein one side thereof is fixed on the rotary shaft unit (180) to rotate with the rotary shaft unit (180) and a rotational contact point (131) of the other side thereof is sequentially brought into contact with each fixing terminal unit (120); and a drive motor (140) arranged on one side of the rotary shaft unit (180) to supply a drive force needed to rotate the rotary shaft unit (180) according to a control signal.</p> |
