Contact system for an on-load tap changer
AssigneeMaschinenfabrik Reinhausen GmbH
InventorsEmir Hejub, Nikolaus Unterreiner
Life of this patent
Estimating the term…
Abstract
An on-load tap changer has a contact system. The contact system includes: a fixed contact; a movable contact; and an auxiliary contact. The moveable contact is configured to directly contact, in a stationary state, the fixed contact. The auxiliary contact is configured to electrically connect, in addition to the direct contact, the movable contact with the fixed contact in the stationary state. The auxiliary contact is constructed and arranged to conduct a current between the fixed contact and the movable contact in the event of interruption of the direct contacting.
Claims14
A contact system for an on-load tap changer, the contact system comprising:
- a fixed contact;
- a movable contact configured to directly contact, in a stationary state, the fixed contact;
- and
- an auxiliary contact, which, in addition to the direct contacting, is configured to electrically connect the movable contact with the fixed contact in the stationary state;
- wherein the auxiliary contact is constructed and arranged to temporarily conduct a current between the fixed contact and the movable contact in the event of interruption in which the direct mechanical connection between the moveable contact and the fixed contact is temporarily interrupted and immediately reinstated after the interruption, and
- wherein in the stationary state:
- the movable contact is configured to contact the fixed contact at a first region;
- the auxiliary contact is configured to contact the fixed contact at a second region;
- and
- the first region and the second region are configured to have a mutual spacing larger than or equal to a predetermined minimum spacing.
Dependencies are inferred from the claim text.