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Onboard Electrical System

Assembly

Flameproof enclosure housing the medium-voltage distribution, haulage inverters and motor protection for all onboard drives. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Onboard Electrical System parts and their functions

8 top-level parts · 33 parts in total · full bill of materials below
Onboard Electrical System parts diagram: 1 flameproof enclosure, 2 vacuum contactor, 3 haulage inverter, 4 IGBT power module, 5 cable handler, 6 relay, 7 wire bundle, 8 connector. 33 parts in 8 top-level items.
Onboard Electrical System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Flameproof Enclosure 1× Flameproof compartment
2 Vacuum Contactor 3× Vacuum contactors
3 Haulage Inverter 2× Haulage VFDs
4 IGBT Power Module 6× Inverter power stages
5 Cable Handler 1× Cable handler system
6 Relay 8× Protection relays
7 Wire Bundle 4× Machine harnesses
8 Connector 8× Bolted flameproof glands

3D model

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Build & assembly graph

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Bill of materials for Onboard Electrical System

8 top-level lines · 8 rows shown · 33 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Flameproof Enclosure longwall-shearer-fl-enclosure 1× 1 · part
2 Vacuum Contactor longwall-shearer-mv-contactor 3× 3 · part
3 Haulage Inverter longwall-shearer-haulage-inverter 2× 2 · part
4 IGBT Power Module igbt-module 6× 6 · part
5 Cable Handler longwall-shearer-trailing-cable-handler 1× 1 · part
6 Relay relay 8× 8 · part
7 Wire Bundle wire-bundle 4× 4 · part
8 Connector connector 8× 8 · part

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Where the onboard electrical system is used

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

Used in 1 assembly

Longwall Shearer

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 $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗ 		Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗ 		Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
shogini.com ↗ 		Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 100 pcs 2–4 wks