Traction Drive
AssemblyCentral or in-axle AC traction motor rated 150–250 kW driving the rear axle through a single-speed reduction gearbox, fed by an IGBT inverter. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Traction Drive parts and their functions
5 top-level parts · 96 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Traction Motor 7 parts | 1× | AC permanent-magnet or induction traction motor |
| 2 | Traction Inverter 7 parts | 1× | IGBT/SiC motor inverter |
| 3 | Reduction Gearbox 6 parts | 1× | Single-speed reduction and differential |
| 4 | Drive Coolant Pump 4 parts | 1× | Drive cooling pump |
| 5 | Rotor Position Resolver | 1× | Rotor position resolver |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Traction Drive
5 top-level lines · 52 rows shown · 96 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Traction Motor 7 parts | electric-bus-traction-motor | 1× | 1 | 29 | assembly |
| 1.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 1.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 1.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 1.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 1.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 1.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 1.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 1.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 1.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 1.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 1.4 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 1.5 | Motor Housing | electric-bus-motor-housing | 1× | 1 | · | part |
| 1.6 | Rotor Position Resolver | electric-bus-resolver | 1× | 1 | · | part |
| 1.7 | Motor Terminal Box | electric-bus-motor-terminal-box | 1× | 1 | · | part |
| 2 | Traction Inverter 7 parts | electric-bus-traction-inverter | 1× | 1 | 27 | assembly |
| 2.1 | IGBT Power Module | electric-bus-igbt-module | 6× | 6 | · | part |
| 2.2 | DC-Link Capacitor | electric-bus-dc-link-capacitor | 1× | 1 | · | part |
| 2.3 | Gate Driver Board 3 parts | electric-bus-gate-driver-board | 3× | 3 | 3 | assembly |
| 2.3.1 | Bare PCB | pcb-bare | 1× | 3 | · | part |
| 2.3.2 | SMD Passive (R/C/L) | smd-passives | 1× | 3 | · | part |
| 2.3.3 | Connector | connector | 1× | 3 | · | part |
| 2.4 | Inverter Control Board 4 parts | electric-bus-inverter-control-board | 1× | 1 | 6 | assembly |
| 2.4.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2.4.2 | Microcontroller | mcu | 1× | 1 | · | part |
| 2.4.3 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 2.4.4 | Connector | connector | 3× | 3 | · | part |
| 2.5 | Inverter Cold Plate | electric-bus-inverter-coldplate | 1× | 1 | · | part |
| 2.6 | Pack Current Sensor | electric-bus-current-shunt | 3× | 3 | · | part |
| 2.7 | Inverter Housing | electric-bus-inverter-housing | 1× | 1 | · | part |
| 3 | Reduction Gearbox 6 parts | electric-bus-reduction-gearbox | 1× | 1 | 15 | assembly |
| 3.1 | Helical Gear Pair | gear-pair | 2× | 2 | · | part |
| 3.2 | Gearbox Housing | gearbox-housing | 1× | 1 | · | part |
| 3.3 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 3.4 | Oil Seal | oil-seal | 3× | 3 | · | part |
| 3.5 | Differential 2 parts | electric-bus-differential | 1× | 1 | 4 | assembly |
| 3.5.1 | Helical Gear Pair | gear-pair | 2× | 2 | · | part |
| 3.5.2 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 3.6 | Gearbox Oil Pump | electric-bus-gearbox-oil-pump | 1× | 1 | · | part |
| 4 | Drive Coolant Pump 4 parts | electric-bus-motor-coolant-pump | 1× | 1 | 24 | assembly |
| 4.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 4.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 4.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 4.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 4.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 4.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 4.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 4.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4.3 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4.4 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 5 | Rotor Position Resolver | electric-bus-resolver | 1× | 1 | · | part |
Where the traction drive is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |