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Discussion History

Alternator

Assembly

Brushless synchronous generator producing 400 V three-phase at 50 Hz. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Alternator parts and their functions

7 top-level parts · 33 parts in total · full bill of materials below
Alternator parts diagram: 1 stator assembly, 2 rotor assembly, 3 brushless exciter, 4 automatic voltage regulator, 5 alternator housing, 6 flexible coupling, 7 ball bearing. 33 parts in 7 top-level items.
Alternator parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Stator Assembly 3 parts 1× Main stator winding and laminated core
2 Rotor Assembly 4 parts 1× Salient-pole rotor coupled to the crankshaft
3 Brushless Exciter 1× Brushless exciter on the rotor shaft
4 Automatic Voltage Regulator 4 parts 1× Automatic voltage regulator
5 Alternator Housing 1× Fabricated steel frame and end shields
6 Flexible Coupling 1× Flexible disc coupling to the engine flywheel
7 Ball Bearing 2× Drive-end and non-drive-end bearings

3D model

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Build & assembly graph

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Bill of materials for Alternator

7 top-level lines · 18 rows shown · 33 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1 Stator Core (laminations) stator-core 1× 1 · part
1.2 Copper Winding copper-winding 1× 1 · part
1.3 Slot Insulation stator-insulation 1× 1 · part
2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
2.1 Rotor Shaft rotor-shaft 1× 1 · part
2.2 Rotor Core rotor-core 1× 1 · part
2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
2.4 Ball Bearing ball-bearing 1× 1 · part
3 Brushless Exciter combined-heat-power-unit-exciter 1× 1 · part
4 Automatic Voltage Regulator 4 parts combined-heat-power-unit-avr 1× 1 6 assembly
4.1 Bare PCB pcb-bare 1× 1 · part
4.2 Microcontroller mcu 1× 1 · part
4.3 SMD Passive (R/C/L) smd-passives 1× 1 · part
4.4 Connector connector 3× 3 · part
5 Alternator Housing combined-heat-power-unit-alternator-housing 1× 1 · part
6 Flexible Coupling combined-heat-power-unit-coupling 1× 1 · part
7 Ball Bearing ball-bearing 2× 2 · part

Where the alternator 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 $2–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Inovance
inovance.com ↗
Shenzhen, CN Drives & motion control 500 units 10–14 wks
🇮🇳Sona Comstar
sonacomstar.com ↗
Gurugram, IN EV driveline & motors 500 units 10–14 wks
🇨🇳Broad-Ocean
broad-ocean.com ↗
Zhongshan, CN Electric motors 500 units 10–14 wks
nidec.com ↗ Singapore Motors, regional ops 500 units 10–14 wks
🇮🇳Bosch India
bosch.in ↗
Bengaluru, IN Automotive components 500 units 10–14 wks