HV Roof Equipment
AssemblyHigh-voltage switchgear linking the pantograph to the transformer primary, with protection against overvoltage and faults. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for HV Roof Equipment
5 top-level lines as of r122296| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Vacuum Circuit Breaker | passenger-locomotive-vacuum-breaker | 1× | 1 | · | part |
| 2 | Surge Arrester | passenger-locomotive-surge-arrester | 1× | 1 | · | part |
| 3 | HV Roof Busbar | passenger-locomotive-hv-busbar | 1× | 1 | · | part |
| 4 | Primary Current Transformer | passenger-locomotive-roof-ct | 1× | 1 | · | part |
| 5 | Earthing Switch | passenger-locomotive-earthing-switch | 1× | 1 | · | part |