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Head-End Power Supply

Assembly

Hotel-load converter feeding the train line at 1,500 V for coach heating, air conditioning, lighting and catering, rated about 800 kW. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Head-End Power Supply parts and their functions

4 top-level parts · 105 parts in total · full bill of materials below
Head-End Power Supply parts diagram: 1 HEP converter, 2 HEP output filter, 3 HEP contactor, 4 trainline jumper cable. 105 parts in 4 top-level items.
Head-End Power Supply parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 HEP Converter 5 parts 1× Transformer-fed converter producing the regulated train hotel-power bus.
2 HEP Output Filter 1× LC filter limiting harmonic distortion on the train hotel-power line.
3 HEP Contactor 2× Power contactor connecting the hotel-power bus to the train line.
4 Trainline Jumper Cable 2× High-current jumper carrying hotel power through to the coaches.

3D model

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Build & assembly graph

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Bill of materials for Head-End Power Supply

4 top-level lines · 12 rows shown · 105 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 HEP Converter 5 parts passenger-locomotive-hep-converter 1× 1 100 assembly
1.1 IGBT Power Module igbt-module 6× 6 · part
1.2 Gate Driver Board 3 parts gate-driver-board 1× 1 87 assembly
1.2.1 Bare PCB pcb-bare 1× 1 · part
1.2.2 Gate Driver IC gate-driver-ic 6× 6 · part
1.2.3 SMD Passive (R/C/L) smd-passives 80× 80 · part
1.3 DC-Link Capacitor dc-link-cap 4× 4 · part
1.4 Microcontroller mcu 1× 1 · part
1.5 Liquid Cooling Plate passenger-locomotive-cooling-plate 2× 2 · part
2 HEP Output Filter passenger-locomotive-hep-filter 1× 1 · part
3 HEP Contactor passenger-locomotive-hep-contactor 2× 2 · part
4 Trainline Jumper Cable passenger-locomotive-trainline-jumper 2× 2 · part

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Where the head-end power supply is used

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

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
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