What is the efficiency of the generator?

The generator has an efficiency of greater than 85%, ensuring high generating efficiency and low mechanical resistance energy loss.

How is the generator packaged for shipping?

It uses inner foam protection and an outer plywood case. The generator shaft is protected with a pipe. Shipping can be by sea (FCL/LCL) or air.

What payment terms do you accept?

We accept T/T, PayPal, Western Union, and Money Gram as terms of payment.

1kw 2kw 3kw 5kwcoreless Permanent Magnet Alternator

Name: 1kw 2kw 3kw 5kwcoreless Permanent Magnet Alternator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 777552202

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

US$200.00-9,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

GDG

Output Type

AC Three Phase

Generator Type

3 Phase AC Coreless Permanent Magnet Generator

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: Uses precise coil technology to achieve start torque under 1 N.M for low wind speed activation.

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

High Efficiency: Generates over 85% efficiency with high power-to-volume ratio and low mechanical resistance.

Durable Material: Constructed with Aluminum Alloy shell and high-stability Nd-Fe-B magnets for harsh environments.

Wide Power Range: Available in models ranging from 300W to 10KW with various rated speeds from 100-300 RPM.

Long Lifespan: Special structure ensures a lifespan 8 times longer than traditional motors, up to 20 years.

OEM Service: Supports OEM customization for generator type, rated power, speed, and voltage specifications.

Free Warranty: Provides 3 years free warranty with lifelong technical support and part cost supply.

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: ≤7.01hTerms 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.