What is the return on investment period?

Due to its energy-saving design, the return on investment is typically within 1 to 2 years.

What is the protection grade of the generator?

The standard protection grade is IP54, but it can be customized according to customer needs.

What types of applications are suitable for this generator?

It is suitable for wind turbines (vertical and horizontal axes), hydro projects, tidal power, and ocean power generation.

3kw 100rpm Low Rpm Low Torque Coreless Permanent Magnet Generator

Name: 3kw 100rpm Low Rpm Low Torque Coreless Permanent Magnet Generator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 730728062

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

Negotiable

1 Piece

Product profile

Customization

Available

After-sales Service

3 Years

Warranty

3 Years

Model NO.

GDG

Output Type

AC Three Phase

Output Power

50W ~ 10kw

Optional Rpm

100rpm-300rpm

Optional Voltage

12V-400VAC

Application

Wind Turbine, Hydro Project

Protection Grade

IP54 or Customized by Your Need

Rotor

Outer Rotor

Magnetic

Neodymium Magnet NdFeB N38sh

Characteristic

Permanent Magnet Synchronous Generator

Shaft Quantity

Single Shaft

Weight Range

30kg-200kg

Transport Package

Wooden Case

Specification

Depnds on the generator size

Trademark

GREEF

Origin

China

HS Code

85016100

Production Capacity

400 Sets Per Month

Key features

High Efficiency Design: Energy saving more than 15% than ordinary generators with efficiency over 85-88%.

Maintenance Free Structure: No excitation winding, carbon brushes, slip rings, or gearbox required for reliable operation.

Long Service Life: Designed for over 20 years of operation, capable of running 24 hours 365 days.

Rapid Investment Return: Energy-saving features ensure return on investment within 1 to 2 years.

Customizable Specifications: Output power, RPM, voltage, frequency, and shaft size can be customized to specific needs.

Direct Drive Technology: Starts directly without a control cabinet, replacing asynchronous motors completely.

Premium Components: Uses NSK bearings and H class insulation with vacuum pressure impregnation.

Comprehensive Warranty: Includes 3 years warranty with free parts and labor for quality issues.

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.