What is the maximum power output available?

The product line offers a wide range of power outputs from 300W up to 10kW.

How is the product packaged and shipped?

The generator uses inner foam protection and an outer plywood case. Shipping is available by sea (FCL/LCL) or air, and we can accommodate specific packaging requests.

What payment methods do you accept?

We accept T/T, PayPal, Western Union, and Money Gram.

500W 1kw Low Noise Low Rpm Outer Rotor Permanent Magnet Alternator

Name: 500W 1kw Low Noise Low Rpm Outer Rotor Permanent Magnet Alternator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 781118622

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: Utilizes precise coil technology to achieve start torque as low as <0.1 N.M for efficient low-speed operation.

Coreless Design: Disc coreless structure eliminates hysteresis and gear notches, reducing volume and weight significantly.

High Efficiency: Features efficiency greater than 85% with low mechanical resistance and excellent heat dissipation.

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

Long Lifespan: Special structure provides a service life 8 times longer than traditional motors, up to 20 years.

OEM Service: Available for OEM customization to meet specific generator system requirements.

Wide Power Range: Offers models ranging from 300W to 10kW with various rated speeds from 100 to 300 RPM.

Direct Drive: Gearless direct drive design ensures low RPM operation suitable for wind and hydro systems.

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: ≤6.60hTerms 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 date of shipment shown on the bill of lading or air waybill.

Q:What is included in the warranty service?

During the warranty period, the company bears all maintenance costs including labor and materials for quality issues. Freight for warranty repairs is also covered by the company.

Q:What happens if damage occurs outside the warranty period?

For damage outside the warranty period or caused by man-made factors, the company will charge fees for labor costs and materials, and the customer bears the freight charges.

Q:What technical support is available?

We offer all-lifelong technical support and part cost supply for our magnetic generators.

Q:What are the main applications for this generator?

These generators are designed for vertical axis wind turbines, diesel/gasoline generators, hydroelectric systems, and other systems requiring very low start torque and low RPM.