What is the efficiency of the magnetic generator?

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

What materials are used for the generator shell?

The generator shell is made of aluminum alloy, which provides excellent heat dissipation and durability.

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, with packaging details customizable upon request.

3kw 5kw Low Rpm Low Torque Coreless Permanent Magnet Alternator Generator

Name: 3kw 5kw Low Rpm Low Torque Coreless Permanent Magnet Alternator Generator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 918980205

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

US$500.00-130,000.00

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: Start torque as low as <0.1 N.M with precise coil technology for low wind speed start.

Coreless Structure: Disc coreless design reduces volume and weight while eliminating hysteresis and gear notches.

High Efficiency: Efficiency exceeds 85% with high generating efficiency and low mechanical resistance.

Durable Materials: Constructed with high-stability Nd-Fe-B magnets and aluminum alloy outer frame.

Long Lifespan: Designed for a lifetime of 20 years with reliability 8 times longer than traditional motors.

Wide Power Range: Available models range from 300W to 10kW with various RPM options.

OEM Service: Customized generator types and specifications available upon request.

Harsh Environment Ready: High standard quality components suitable for extreme wind turbine environments.

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: ≤7.87hTerms 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 a Chinese supplier specializing in renewable energy solutions, particularly wind turbines and permanent magnet generators. The company emphasizes sustainable energy innovation and holds significant certifications like QHSE and ISO 9001, ensuring quality management. With a robust engineering team and a focus on customized solutions, Greef has a considerable export presence. However, limited financial transaction data and production capacity may suggest constraints in scalability. Their after-sales service includes warranties and global market coverage, supported by trade assurance systems.

Supplier typeThe supplier operates as both a trading company and a manufacturer/factory, indicating versatility in its business model.

CertificationsThe supplier holds several key certifications, including QHSE and ISO 9001, which underscore a commitment to quality and safety standards.

After-Sales capabilityThe company offers warranties of 3-5 years for exported products and ensures quality and on-time delivery through trade assurance.

R&D capabilityThe company emphasizes renewable energy innovation and has a significant portion of its engineering team with extensive industry experience.

Customization capabilityThe supplier offers customized end-to-end solutions, facilitated by a highly experienced engineering team.

Product Q&A

Q:What is the warranty period?

We provide a free 3-year warranty starting from the shipment date. During this period, the company covers all maintenance costs and freight for quality issues.

Q:What happens after the warranty period expires?

After the warranty period, we offer free warranty for damage outside the warranty period but charge fees for labor costs and materials. Freight charges are borne by the customer for non-warranty or man-made damage.

Q:Is OEM service available?

Yes, we offer OEM service with customized generator types, rated power, speed, and voltage to meet specific requirements.

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.

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 for start at very low wind speeds.