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公开(公告)号：US3721895A
公开(公告)日：1973-03-20
申请号：US3721895D
申请日：1972-06-09
Applicant: ASEA AB
CPC classification number: H01H9/0005
Abstract: A TAP CHANGER FOR TRANSFORMERS HAS STEP SELECTORS AND LOAD CONNECTORS. THE STEP SELECTOR HAS A CENTER PART PROVIDED WITH CARRIER MEMBERS FOR MOVABLE CONNECTION CONTACTS AND SLIP RINGS FOR BRUSHES. THE CARRIER MEMBERS ARE FORMED OF TWO PARALLEL RODS OF INSULATING MATERIAL, BOTH MOUNTED TO TURN AROUND THE AXIS OF THE CENTER MEMBERS ARE ROD CARRIERS A NUMBER OF MOVABLE CONNECTING CONTACTS AND A CORRESPONDING NUMBER OF SLIP RINGS. THE TWO RODS ARE POSITIONED INSIDE THE SLIP RINGS SO THAT THEY CAN BE PIVOTED STEPWISE IN RELATION TO EACH OTHER THROUGH SUBSTANTIAL ANGLES.
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