What types of power sources can drive this generator?

It can be driven by wind power (wind turbines), water power (hydro generators), belts with motors, perpetual motion machines, test plants, or personal creations.

How is the product packaged and shipped?

The alternator uses inner foam protection and an outer plywood case. Shipping can be done by sea (FCL/LCL) or by air, according to customer requests.

What are the payment terms?

Payment terms include T/T, PayPal, Western Union, and Money Gram.

50kw Low Rpm Low Torque AC Synchronous Permanent Magnet Alternator for Hydro

Name: 50kw Low Rpm Low Torque AC Synchronous Permanent Magnet Alternator for Hydro
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 785672382

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

US$300.00-128,000.00

1 Set

Product profile

Customization

Available

Output Type

AC Three Phase

Rated Voltage

12V - 480V

Model NO.

PMG series

Rated Rotor Speed

20 - 900 Rpm

Rated Power

50W-5MW

Magenent Type

ND-Fe-B

Generator Material

Aluminium Body+Copper Wire+ND-Fe-B

Generator Type

Bearing Brand

Sweden SKF

Portection Grade

IP 54

Use

Home, Farm, Factory, Boat

Driven Power

Wind Power, Water Power, Motor

Transport Package

Foam+Plywooden Case

Specification

1CBM

Trademark

GreeF

Origin

Shandong, China(Mainland)

HS Code

85016100

Production Capacity

400sets/Month

Key features

High Efficiency Design: Saves more than 15% energy compared to ordinary generators using Nd-Fe-B magnets.

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

Long Service Life: Designed for over 20 years of operation, running 24 hours a day, 365 days a year.

Quick ROI: Energy-saving design allows for return on investment within 1-2 years.

Versatile Customization: Customizable voltage, speed, power, frequency, shaft size, and structural design.

Direct Drive Technology: Starts directly without a control cabinet, replacing asynchronous motors completely.

3-Year Warranty: Includes free maintenance services and lifelong technical support with part supply.

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: ≤7.24hTerms 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?

The warranty period is 3 years, starting from the date of shipment shown on the bill of lading or air waybill.

Q:What is included in the warranty service?

Free maintenance services are provided during the warranty period, with costs borne by the company. Lifelong technical support and part cost supply are also included.

Q:What are the costs for repairs after the warranty period?

If damage occurs outside the warranty period or is due to man-made causes, the company charges for labor costs and materials, and the customer bears the freight charges.

Q:What customization options are available?

Customization is available for voltage, speed, power, frequency, shaft size, spline shaft, biaxial extension, and flange. Various structural designs like vertical or horizontal axis are also supported.

Q:What is the expected lifespan of the generator?

The generator has a long life time of over 20 years and can run 24 hours a day, 365 days a year.