Precharge & Isolation
AssemblyContactor and resistor network that soft-charges the DC bus through the IGBT body diodes before closing onto the grid. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Precharge & Isolation
4 top-level lines as of r79956| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Contactor | harmonic-filter-main-contactor | 1× | 1 | · | part |
| 2 | Precharge Contactor | harmonic-filter-precharge-contactor | 1× | 1 | · | part |
| 3 | Precharge Resistor | harmonic-filter-precharge-resistor | 3× | 3 | · | part |
| 4 | Semiconductor Fuse | harmonic-filter-semiconductor-fuse | 3× | 3 | · | part |