Is OEM service available?

Yes, we offer OEM services and can customize the generator according to your specific requirements.

What is the expected lifespan of the generator?

The generator has a long life, estimated to be 8 times longer than traditional motors due to its high-reliability coreless design.

500W Low Rpm 48 Volt Alternator for Vertical Axis Wind Turbine

Name: 500W Low Rpm 48 Volt Alternator for Vertical Axis Wind Turbine
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 781877762

Shandong, ChinaQingdao Greef New Energy Equipment Co., Ltd.

US$200.00-9,000.00

1 Set

Product profile

Customization

Available

Output Type

AC Three Phase

Generator Type

3 Phase AC Coreless Permanent Magnet Generator

Model NO.

GDG

Rated Power

300W to 10kw

Rated Speed

100-300rpm

Rated Voltage

12-400VAC

Start Torque

< 1 N.M

Generator Shell Material

Aluminum Alloy

Magnetic Material

ND-Fe-B

Structure

out Rotor

Lifetime

20 Years

Service

OEM

Transport Package

Plywood Case

Specification

Medium

Trademark

GREEF

Origin

China

HS Code

85016100

Production Capacity

1000 Sets/Year

Key features

Low Start Torque: Start torque as low as <0.1 N.M with <1 N.M max, enabling operation at very low wind speeds.

Coreless Design: Disc coreless structure eliminates hysteresis and gear notches for high efficiency and low weight.

High Reliability: Special structure provides 8 times longer life than traditional motors with high power-to-volume ratio.

Wide Power Range: Available models from 300W to 10kW with rated speeds between 100-300 RPM.

Durable Materials: Constructed with high-stability Nd-Fe-B magnets and aluminum alloy shell for harsh environments.

High Efficiency: Efficiency exceeds 85% with low mechanical resistance and excellent heat dissipation.

Gearless Direct Drive: Direct drive design ensures low RPM operation without gear maintenance or noise.

OEM Service: Customized generator solutions available with OEM support for specific requirements.

Company profile

Qingdao Greef New Energy Equipment Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: QINGDAOAverage Response Time: ≤7.59hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryQingdao Greef New Energy Equipment Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering wind turbines, permanent magnet generators, hybrid systems, and related equipment. Its stated capabilities include generator coverage from 500W to 5MW, two production lines, annual output of 1,000 wind turbine/permanent magnet generator sets, and 6–10 R&D engineers and quality-control staff. The company reports QHSE, ISO 9001, and HSE management certifications, CE-certified exports, warranty periods of 3–5 years, and after-sales service as part of its end-to-end offering. Evidence also supports customization through design, prototyping, production, and quality-control services. However, the provided information does not sufficiently establish financial credibility or a broad customer track record; only one buyer and one trade transaction are listed.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated product portfolio includes wind turbine systems, permanent magnet generators, controllers, inverters, solar systems, and batteries, supporting a combined manufacturing and trading role.

CertificationsThe supplier states that its management systems include QHSE, ISO 9001, and HSE. It also states that products exported to Europe, South America, and North America carry CE certification, indicating documented management-system and product-certification claims.

After-Sales capabilityThe company describes end-to-end services including after-sales service and states that exported products have 3–5 year warranty periods. It also claims rapid response and guaranteed quality and on-time delivery through Alibaba Trade Assurance, providing explicit support for post-sale capability.

R&D capabilityThe supplier states that its permanent magnet generators range from 500W to 5MW and offers multiple renewable-energy technologies, including vertical- and horizontal-axis wind turbines, hybrid systems, and disc coreless generators. Its stated engineering and renewable-energy innovation activities support innovation capability, although no independently verified R&D results are provided.

Production capacityThe supplier reports two production lines and annual output of 1,000 wind turbine/permanent magnet generator sets. It also states generator coverage from 500W to 5MW and has 6–10 quality-control staff, providing explicit evidence of established production capacity.

Customization capabilityThe company explicitly claims customized end-to-end solutions covering design planning, schematic development, 3D renderings, physical prototyping, volume production, quality control, and after-sales service. This directly supports customization capability across product-development and delivery stages.

Product Q&A

Q:What is the warranty period?

We provide a free 3-year warranty starting from the shipment date. All maintenance costs are covered by the company during this period.

Q:What is the start torque of the generator?

The start torque is extremely low, ranging from <0.1 N.M to <1 N.M depending on the model, allowing operation at very low wind speeds.

Q:What materials are used for the generator?

The generator uses high-stability Nd-Fe-B magnetic materials, an aluminum alloy shell, carbon steel shaft, and deep groove ball bearings.

Q:What is the rated power range?

The product is available in a wide range from 300W to 10kW, with specific models covering 0.5KW, 1KW, 2KW, 3KW, 5KW, and 10KW.

Q:How is the generator packaged and shipped?

It is packed with inner foam protection and an outer plywood case. Shipping is available by sea (FCL/LCL) or air, with custom packaging requests accepted.