What is the efficiency of the generator?

All models achieve an efficiency greater than 85% due to the coreless design and high-quality components.

What are the applications for this generator?

It is ideal for vertical axis wind turbines, diesel/gasoline generators, hydroelectric systems, and hybrid solar-wind systems requiring low RPM and low start torque.

What is the service life of the generator?

The generator is designed for a 20-year lifetime, which is 8 times longer than traditional motors.

1kw 5kw 3phase AC Synchronous Disc Coreless Permanent Magnet Alternator

Name: 1kw 5kw 3phase AC Synchronous Disc Coreless Permanent Magnet Alternator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 781943402

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

US$200.00-9,000.00

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

Coreless Permanent Magnet Design: Made of high-stability Nd-Fe-B materials with outer rotor structure for low weight and small size.

Ultra-Low Start Torque: Utilizes precise coil technology to achieve start torque as low as <0.1 N.M for low wind speed operation.

High Efficiency Output: Features efficiency greater than 85% with low mechanical resistance and energy loss.

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

Durable Aluminum Construction: Generator shell made of aluminum alloy with excellent heat dissipation for harsh environments.

Long Service Life: Designed for a lifetime of 20 years, offering 8 times longer life than traditional motors.

OEM Service Available: Customization options available for specific generator requirements and configurations.

Comprehensive Warranty: Includes a free 3-year warranty covering 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: ≤8.28hTerms 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, parts, and labor for quality issues.

Q:What are the start torque specifications?

The start torque is extremely low, ranging from less than 0.1 N.M to less than 1 N.M depending on the model, allowing operation at very low wind speeds.

Q:What materials are used for the generator?

The generator uses high-stability Nd-Fe-B magnetic materials, an aluminum alloy shell, carbon steel shaft, and deep groove ball bearings.

Q:What is the rated voltage range?

The rated voltage varies by model, ranging from 12V to 400V AC, with specific models offering 56V, 115V, 220V, or 380V options.

Q:How is the product packaged and shipped?

Generators are protected with inner foam and shipped in plywood cases. Shipping is available via sea (FCL/LCL) or air, with packaging details confirmed by sales.