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Traction Power Converter

Assembly

On AC-traction units, inverters convert the DC link into variable-frequency three-phase power for each motor group. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Traction Power Converter parts and their functions

4 top-level parts · 451 parts in total · full bill of materials below
Traction Power Converter parts diagram: 1 traction inverter, 2 DC link capacitor bank, 3 dynamic brake grid, 4 converter cabinet. 451 parts in 4 top-level items.
Traction Power Converter parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Traction Inverter 4 parts 2× One inverter per bogie group
2 DC Link Capacitor Bank 1× Capacitor bank smoothing the rectified traction bus.
3 Dynamic Brake Grid 2 parts 1× Resistor grid that burns off motor-generated power during electric braking.
4 Converter Cabinet 1× Ventilated cabinet housing the inverters and busbars.

3D model

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Build & assembly graph

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Bill of materials for Traction Power Converter

4 top-level lines · 17 rows shown · 451 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Traction Inverter 4 parts freight-locomotive-traction-inverter 2× 2 220 assembly
1.1 IGBT Power Module freight-locomotive-igbt-module 6× 12 · part
1.2 Gate Driver Board 3 parts gate-driver-board 1× 2 87 assembly
1.2.1 Bare PCB pcb-bare 1× 2 · part
1.2.2 Gate Driver IC gate-driver-ic 6× 12 · part
1.2.3 SMD Passive (R/C/L) smd-passives 80× 160 · part
1.3 DC-Link Capacitor dc-link-cap 4× 8 · part
1.4 Inverter Control Board 4 parts inverter-control-board 1× 2 123 assembly
1.4.1 Bare PCB pcb-bare 1× 2 · part
1.4.2 Microcontroller mcu 1× 2 · part
1.4.3 CAN Transceiver can-transceiver 1× 2 · part
1.4.4 SMD Passive (R/C/L) smd-passives 120× 240 · part
2 DC Link Capacitor Bank freight-locomotive-dc-link 1× 1 · part
3 Dynamic Brake Grid 2 parts freight-locomotive-dynamic-brake-grid 1× 1 9 assembly
3.1 Brake Resistor Element freight-locomotive-brake-resistor 8× 8 · part
3.2 Grid Blower Motor freight-locomotive-grid-blower 1× 1 · part
4 Converter Cabinet freight-locomotive-converter-cabinet 1× 1 · part

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Where the traction power converter is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used 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
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks