Micro Wind Turbine Product
A small off-grid horizontal-axis wind turbine: a three-bladed rotor driving a permanent-magnet alternator in a yawing nacelle, with a tail vane for passive orientation, a charge controller with dump-load braking, and a battery interface for off-grid storage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
10 top-level lines · 52 rows shown · 97 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Rotor 4 parts | micro-wind-turbine-rotor | 1× | 1 | 6 | assembly |
| 1.1 | Composite Blade | micro-wind-turbine-blade | 3× | 3 | — | part |
| 1.2 | Rotor Hub | micro-wind-turbine-hub | 1× | 1 | — | part |
| 1.3 | Nose Cone | micro-wind-turbine-nose-cone | 1× | 1 | — | part |
| 1.4 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 2 | Permanent-Magnet Alternator 8 parts | micro-wind-turbine-alternator | 1× | 1 | 42 | assembly |
| 2.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 2.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | — | part |
| 2.1.2 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 2.1.3 | Slot Insulation | stator-insulation | 1× | 1 | — | part |
| 2.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 2.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | — | part |
| 2.2.2 | Rotor Core | rotor-core | 1× | 1 | — | part |
| 2.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 2.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 2.3 | Copper Winding | copper-winding | 3× | 3 | — | part |
| 2.4 | Neodymium Magnet | neodymium-magnet | 12× | 12 | — | part |
| 2.5 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 2.6 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 2.7 | Main Shaft | micro-wind-turbine-main-shaft | 1× | 1 | — | part |
| 2.8 | O-Ring Set | oring-set | 1× | 1 | — | part |
| 3 | Nacelle 3 parts | micro-wind-turbine-nacelle | 1× | 1 | 3 | assembly |
| 3.1 | Mainframe Casting | micro-wind-turbine-mainframe | 1× | 1 | — | part |
| 3.2 | Nacelle Cover | micro-wind-turbine-cover | 1× | 1 | — | part |
| 3.3 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 4 | Tail Assembly 4 parts | micro-wind-turbine-tail | 1× | 1 | 4 | assembly |
| 4.1 | Tail Boom | micro-wind-turbine-tail-boom | 1× | 1 | — | part |
| 4.2 | Tail Vane | micro-wind-turbine-tail-vane | 1× | 1 | — | part |
| 4.3 | Slip Ring | micro-wind-turbine-slip-ring | 1× | 1 | — | part |
| 4.4 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 5 | Tower Mount 3 parts | micro-wind-turbine-tower-mount | 1× | 1 | 3 | assembly |
| 5.1 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 5.2 | Tower Flange | micro-wind-turbine-tower-flange | 1× | 1 | — | part |
| 5.3 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 6 | Charge Controller 6 parts | micro-wind-turbine-charge-controller | 1× | 1 | 6 | assembly |
| 6.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 6.2 | Microcontroller | mcu | 1× | 1 | — | part |
| 6.3 | Rectifier Bridge | micro-wind-turbine-rectifier | 1× | 1 | — | part |
| 6.4 | MPPT Module | micro-wind-turbine-mppt-module | 1× | 1 | — | part |
| 6.5 | Dump-Load Resistor | micro-wind-turbine-dump-load | 1× | 1 | — | part |
| 6.6 | Terminal Block | micro-wind-turbine-terminal-block | 1× | 1 | — | part |
| 7 | Brake Assembly 4 parts | micro-wind-turbine-brake | 1× | 1 | 4 | assembly |
| 7.1 | Brake Coil | micro-wind-turbine-brake-coil | 1× | 1 | — | part |
| 7.2 | Brake Disc | micro-wind-turbine-brake-disc | 1× | 1 | — | part |
| 7.3 | Brake Caliper | micro-wind-turbine-brake-caliper | 1× | 1 | — | part |
| 7.4 | O-Ring Set | oring-set | 1× | 1 | — | part |
| 8 | Battery Interface 3 parts | micro-wind-turbine-battery-interface | 1× | 1 | 27 | assembly |
| 8.1 | BMS Board | bms-board | 1× | 1 | — | part |
| 8.2 | Li-ion Cell, 18650 | li-cell-18650 | 24× | 24 | — | part |
| 8.3 | Connector | connector | 2× | 2 | — | part |
| 9 | Anemometer | micro-wind-turbine-anemometer | 1× | 1 | — | part |
| 10 | Wire Bundle | wire-bundle | 1× | 1 | — | part |
Sourcing — likely vendors
Companies that make this · indicative price $100–$20M · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇩🇰Vestas vestas.com ↗ | Aarhus, DK | Wind turbines | 500 units | 12–24 wks |
| firstsolar.com ↗ | Tempe, US | PV modules | 500 units | 12–24 wks |
| 🇨🇳LONGi longi.com ↗ | Xi'an, CN | Solar wafers & modules | 500 units | 12–24 wks |
| enphase.com ↗ | Fremont, US | Microinverters & storage | 500 units | 12–24 wks |
| 🇨🇳Sungrow sungrowpower.com ↗ | Hefei, CN | Solar inverters & storage | 500 units | 12–24 wks |