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Traction Converter

Assembly

Four-quadrant line converter rectifying transformer output to a DC link, then inverting to variable-frequency AC for the traction motors. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Traction Converter parts and their functions

5 top-level parts · 401 parts in total · full bill of materials below
Traction Converter parts diagram: 1 line-side converter (4Q), 2 DC link stage, 3 motor-side inverter, 4 converter cooling loop, 5 converter cabinet frame. 401 parts in 5 top-level items.
Traction 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 Line-Side Converter (4Q) 4 parts 1× 4Q rectifier stage
2 DC Link Stage 3 parts 1×
3 Motor-Side Inverter 4 parts 2× One per powered bogie motor pair
4 Converter Cooling Loop 4 parts 1×
5 Converter Cabinet Frame 1×

3D model

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Build & assembly graph

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Bill of materials for Traction Converter

5 top-level lines · 26 rows shown · 401 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Line-Side Converter (4Q) 4 parts commuter-emu-line-converter 1× 1 185 assembly
1.1 IGBT Power Module igbt-module 8× 8 · part
1.2 Gate Driver Board 3 parts gate-driver-board 2× 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 Power Inductor power-inductor 2× 2 · part
1.4 Microcontroller mcu 1× 1 · part
2 DC Link Stage 3 parts commuter-emu-dc-link 1× 1 11 assembly
2.1 DC-Link Capacitor dc-link-cap 8× 8 · part
2.2 DC Link Busbar commuter-emu-dc-busbar 1× 1 · part
2.3 DC Link Discharge Resistor commuter-emu-discharge-resistor 2× 2 · part
3 Motor-Side Inverter 4 parts commuter-emu-motor-inverter 2× 2 98 assembly
3.1 IGBT Power Module igbt-module 6× 12 · part
3.2 Gate Driver Board 3 parts gate-driver-board 1× 2 87 assembly
3.2.1 Bare PCB pcb-bare 1× 2 · part
3.2.2 Gate Driver IC gate-driver-ic 6× 12 · part
3.2.3 SMD Passive (R/C/L) smd-passives 80× 160 · part
3.3 DC-Link Capacitor dc-link-cap 4× 8 · part
3.4 Microcontroller mcu 1× 2 · part
4 Converter Cooling Loop 4 parts commuter-emu-converter-cooling 1× 1 8 assembly
4.1 Radiator radiator 1× 1 · part
4.2 Coolant Pump coolant-pump 1× 1 · part
4.3 Power Heatsink commuter-emu-heatsink 4× 4 · part
4.4 O-Ring Set oring-set 2× 2 · part
5 Converter Cabinet Frame commuter-emu-converter-frame 1× 1 · part

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Where the traction converter is used

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

Used in 1 assembly

Commuter EMU

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 (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
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