Zig-Zag Winding
AssemblyInterconnected-star winding whose two half-windings on different limbs cancel for normal current but offer low impedance to zero-sequence fault current. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Zig-Zag Winding
7 top-level lines as of r78132| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Winding Copper Conductor | grounding-transformer-winding-conductor | 1× | 1 | · | part |
| 2 | Zig-Zag Half-Winding | grounding-transformer-half-winding | 2× | 2 | · | part |
| 3 | Interconnection Lead | grounding-transformer-interconnection-lead | 1× | 1 | · | part |
| 4 | Winding Support Cylinder | grounding-transformer-winding-cylinder | 1× | 1 | · | part |
| 5 | Radial Spacer Block | grounding-transformer-spacer-block | 32× | 32 | · | part |
| 6 | Winding Clamp Ring | grounding-transformer-clamp-ring | 2× | 2 | · | part |
| 7 | Auxiliary Secondary Winding | grounding-transformer-aux-winding | 1× | 1 | · | part |