How is the generator packaged for shipping?

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

What is the efficiency of the generator?

The efficiency is greater than 85%, ensuring high generating efficiency and low mechanical resistance energy loss.

What payment methods do you accept?

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

2kw 3kw 5kw Low Rpm Vertical Axis Coreless Permanent Magnet Generator

Name: 2kw 3kw 5kw Low Rpm Vertical Axis Coreless Permanent Magnet Generator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 778747112

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

Negotiable

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: Precise Coil technology ensures start torque is less than 1 N.M for easy startup.

Coreless Design: Disc coreless structure reduces volume and weight while eliminating gear notches.

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

Durable Construction: Aluminum alloy shell and Nd-Fe-B magnets ensure long life, 8 times longer than traditional motors.

Versatile Applications: Ideal for vertical axis wind turbines, hydroelectric, and diesel generator systems.

Customizable Power: Rated power ranges from 300W to 10kW with customizable voltage and speed options.

Lifetime Support: Free 3-year warranty with lifelong technical support and part cost supply.

Robust Performance: Designed for harsh environments with excellent heat dissipation and direct drive.

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: ≤7.16hTerms 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 for the generator?

We provide a free 3-year warranty starting from the shipment date. Lifelong technical support and part cost supply are also available.

Q:What is the start torque of this generator?

The start torque is very low, less than 1 N.M, thanks to the Precise Coil technology which eliminates hysteresis and gear notches.

Q:What materials are used in the generator shell and magnets?

The generator shell is made of Aluminum Alloy, and the magnets are high-stability Nd-Fe-B (Rare Earth Permanent Magnet) materials.

Q:Can the generator be customized for specific power or voltage?

Yes, the rated power ranges from 300W to 10kW, and the rated voltage can be customized from 12-400VAC to meet your needs.

Q:What are the main applications for this generator?

It is primarily used in vertical axis wind turbines, diesel/gasoline generators, hydroelectric generators, and other systems requiring low start torque and low RPM.