Traction Converter

Assembly

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Water-cooled converter pairing a four-quadrant line-side rectifier with a motor-side inverter on a common DC link, feeding two traction motors per bogie.

Direct parts	6
Total parts	387
Used in	1 assembly
Class	Assembly

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Water-cooled converter pairing a four-quadrant line-side rectifier with a motor-side inverter on a common DC link, feeding two traction motors per bogie. 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

6 top-level parts · 387 parts in total · full bill of materials below

Traction Converter parts diagram: 1 four-quadrant line converter, 2 motor-side inverter, 3 DC-link capacitor, 4 DC link choke, 5 converter cabinet, 6 liquid cooling plate. 387 parts in 6 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.

#	Part	Qty	What it does
1	Four-Quadrant Line Converter 4 parts	1×	Four-quadrant rectifier
2	Motor-Side Inverter 4 parts	2×	One per motor
3	DC-Link Capacitor	8×	Large film or electrolytic capacitor across the DC bus of an inverter or converter that smooths voltage ripple and supplies switching current.
4	DC Link Choke	1×	Iron-cored inductor smoothing the second-harmonic ripple on the DC link.
5	Converter Cabinet	1×	Shielded steel enclosure housing the power stacks and water manifolds.
6	Liquid Cooling Plate	4×	Aluminium cold plate clamping IGBT modules to the water-glycol circuit.

3D model

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Build & assembly graph

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Bill of materials for Traction Converter

6 top-level lines · 20 rows shown · 387 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Four-Quadrant Line Converter 4 parts	passenger-locomotive-line-converter	1×	1	181	assembly
1.1	IGBT Power Module	igbt-module	4×	4	·	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	DC-Link Capacitor	dc-link-cap	2×	2	·	part
1.4	Microcontroller	mcu	1×	1	·	part
2	Motor-Side Inverter 4 parts	passenger-locomotive-motor-inverter	2×	2	96	assembly
2.1	IGBT Power Module	igbt-module	6×	12	·	part
2.2	Gate Driver Board 3 parts	gate-driver-board	1×	2	87	assembly
2.2.1	Bare PCB	pcb-bare	1×	2	·	part
2.2.2	Gate Driver IC	gate-driver-ic	6×	12	·	part
2.2.3	SMD Passive (R/C/L)	smd-passives	80×	160	·	part
2.3	DC-Link Capacitor	dc-link-cap	2×	4	·	part
2.4	Microcontroller	mcu	1×	2	·	part
3	DC-Link Capacitor	dc-link-cap	8×	8	·	part
4	DC Link Choke	passenger-locomotive-dc-link-choke	1×	1	·	part
5	Converter Cabinet	passenger-locomotive-converter-cabinet	1×	1	·	part
6	Liquid Cooling Plate	passenger-locomotive-cooling-plate	4×	4	·	part

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Where the traction converter is used

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

Rail & Transit 1 Passenger Locomotive

Used in 1 assembly

Passenger Locomotive

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 (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