How is the product packaged and shipped?

It is packed with inner foam and an outer plywood case. Shipping is available by sea (FCL/LCL) or air, and packaging can be customized upon request.

What happens if damage occurs after the warranty period?

For damage outside the warranty period or caused by man-made issues, the company charges a fee for labor costs and materials, and the customer bears the freight charges.

What is the maximum power output available?

The maximum power output available is 5600kW, with options ranging down to 50W.

Direct-Drive Brushless Permanent Magnet Synchronous Alternator 90kw, 150rpm

Name: Direct-Drive Brushless Permanent Magnet Synchronous Alternator 90kw, 150rpm
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 742964782

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

US$500.00-130,000.00

1 Piece

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

GDF

Output Type

AC Three Phase

Output Power

50W ~ 5600kw

Optional Rpm

20rpm ~ 3000rpm

Optional Voltage

48/96/120/220/230/240/380/400/690/1140VAC

Application

Wind Turbine, Hydro Project

Protection Grade

IP54 or Customized by Your Need

Structure

Steel

Magnetic

Neodymium Magnet NdFeB N38sh

Characteristic

Permanent Magnet Synchronous Generator

Shaft Quantity

Single Shaft or Double Shaft

Weight Range

30kg ~ 13 Ton

Transport Package

Wooden Case

Specification

Depnds on the generator size

Trademark

GREEF

Origin

China

HS Code

85016100

Production Capacity

400 Sets Per Month

Key features

Wide Power Range: Available from 50W to 5600kW for diverse applications.

Customizable Voltage: Flexible options from 48V to 1140VAC to meet specific needs.

Direct Drive Design: No gearbox, carbon brushes, or slip rings for maintenance-free operation.

High Efficiency: Energy saving over 15% compared to ordinary generators with power factor near 1.

Long Service Life: Designed for over 20 years of continuous 24/7 operation.

IP54 Protection: Standard protection grade with customizable options available.

Free 3-Year Warranty: Covers parts and labor for 3 years from shipment date.

Lifetime Technical Support: Comprehensive support and part supply available for the product's entire life.

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: ≤7.27hTerms 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?

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

Q:Can the voltage and speed be customized?

Yes, voltage can be customized from 48V to 1140VAC, and speed ranges from 20rpm to 3000rpm. Power is also customizable from 50W to 5600kW.

Q:What are the applications for this generator?

It is suitable for wind turbines, hydro projects, tidal and ocean power, perpetual motion machines, and test plants.

Q:Does the generator require a gearbox?

No, it features a direct drive permanent magnet rotor structure with no excitation winding, carbon brushes, or slip rings, eliminating the need for a gearbox.

Q:What is the return on investment period?

Due to its energy-saving design, the return on investment is typically within 1 to 2 years.