Transformer core-coil frame attachment and ground

Details Transformer core-coil frame attachment and ground Transformer core-coil frame attachment and ground

H - Electricity

01

F

H01F 27/06 (2006.01) H01F 27/02 (2006.01) H01F 27/26 (2006.01) H01F 27/30 (2006.01)

Patent

CA 2218266

A transformer core-coil frame attachment and ground. The core-coil is mounted on a metal frame with flanges extending along the bottom of the frame. Nonconductive support members in the form of channels are mounted on the flanges of the cross member to support the coil to relieve stresses and reduce the no-load electrical losses. The nonconductive support members have a profile shaped for ease in receiving and retaining the support members on the flanges of the cross member. The frame has an opening in the bottom for receiving a mounting boss protruding above the tank bottom of the transformer to locate the core-coil within the tank and resist movement of the core-coil within the tank in a horizontal plane. A compressible grounding structure is attached to the bottom of the core which allows for variation between the core and frame. Bracket structure is connected to the top of the frame and to brace structure secured to one of the sidewalls within the tank to limit movement of the core-coil in the vertical plane. This one point attachment keeps the unit from shifting during shipment.

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