What is the efficiency of the generator?

The generator achieves an efficiency of over 85% with low mechanical resistance and energy loss.

What are the shipping and packaging details?

Generators are packed with inner foam and outer plywood cases. Shipping is available by sea (FCL/LCL) or air, with freight costs covered by the company for warranty-related maintenance.

2kw 3kw 5kw Low Noise Disc Coreless Permanent Magnet Generator

Name: 2kw 3kw 5kw Low Noise Disc Coreless Permanent Magnet Generator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 777560522

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.

5kw 100rpm 220V PMG

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: Utilizes precise coil technology to achieve start torque below 1 N.M for efficient low-speed operation.

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

High Efficiency: Efficiency exceeds 85% with low mechanical resistance and excellent heat dissipation via aluminum alloy frame.

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

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

OEM Service: Customizable generator type, power, speed, and voltage to meet specific project requirements.

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

Direct Drive: Gearless direct drive design ensures low RPM operation and high reliability for wind turbines.

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: ≤7.82hTerms 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 maintenance costs and freight for quality issues.

Q:Is OEM service available?

Yes, we offer comprehensive OEM services including customization of generator type, rated power, speed, and voltage.

Q:What is the start torque of the generator?

The generator features a very low start torque, typically less than 1 N.M, thanks to our patent technology and coreless design.

Q:What materials are used for the generator?

The generator uses high-stability Nd-Fe-B magnetic materials and an aluminum alloy shell for durability and heat dissipation.

Q:How long is the expected lifespan?

The generator is designed for a long life of up to 20 years, which is 8 times longer than traditional motors.