What are the available power ranges?

The product range spans from 50W up to 5600kW, with specific models available from 0.5kW to 5MW.

What is the protection grade of the generator?

The standard protection grade is IP54, but it can be customized according to specific requirements.

How is the product packaged for shipping?

Alternators use inner foam protection and outer plywood cases. Shipping can be arranged via sea (FCL/LCL) or air.

10kw 20kw High Efficiency Low Speed 3phase AC Permanent Magnet Generator Alternator

Name: 10kw 20kw High Efficiency Low Speed 3phase AC Permanent Magnet Generator Alternator
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 786757952

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

US$500.00-130,000.00

1 Piece

Product profile

Customization

Available

Output Type

AC Three Phase

Output Power

50W ~ 5600kw

Model NO.

GDF

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

High Efficiency Design: Energy saving more than 15% compared to ordinary generators using rare earth Nd-Fe-B magnets.

Maintenance Free Structure: No excitation winding, carbon brushes, or slip rings; no gearbox required for direct drive.

Long Service Life: Designed for over 20 years of operation with strong rotors capable of 24/7 running.

Customizable Specifications: Power, speed, voltage, frequency, shaft size, and structure can be customized to needs.

Superior Insulation: H class insulation with vacuum pressure impregnation for enhanced durability.

High Power Factor: Power factor close to 1, eliminating the need for additional compensation equipment.

Flexible Cooling Options: Low heat generation allows for optional fan cooling or water cooling systems.

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: ≤7.59hTerms 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?

Generators come with a free three-year warranty starting from the shipment date shown on the bill of lading or air waybill.

Q:What is covered under the warranty?

During the warranty period, all maintenance costs are borne by the company for quality problems. For damages outside warranty or man-made damage, labor and material fees apply.

Q:Who pays for shipping costs during warranty claims?

If the issue is caused by company quality problems during the warranty period, the company covers freight. Otherwise, the customer pays.

Q:Can the generator specifications be customized?

Yes, voltage, speed, power, frequency, shaft size, spline shaft, biaxial extension, and flange options can be customized.

Q:What is the expected return on investment?

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