Powered by Made-in-China.com
Low Speed Permanent Magnetic Synchronous Alternator 90kw 400rpm
US$500.00-130,000.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
YesModel NO.
GDFOutput Type
AC Three PhaseOutput Power
50W ~ 5600kwOptional Rpm
20rpm ~ 3000rpmOptional Voltage
48/96/120/220/230/240/380/400/690/1140VACApplication
Wind Turbine, Hydro ProjectProtection Grade
IP54 or Customized by Your NeedStructure
SteelMagnetic
Neodymium Magnet NdFeB N38shCharacteristic
Permanent Magnet Synchronous GeneratorShaft Quantity
Single Shaft or Double ShaftWeight Range
30kg ~ 13 TonTransport Package
Wooden CaseSpecification
Depnds on the generator sizeTrademark
GREEFOrigin
ChinaHS Code
85016100Production Capacity
400 Sets Per MonthKey features
Energy Saving Performance: Rare earth Nd-Fe-B magnets save over 15% energy compared to ordinary generators.
Maintenance Free Design: No excitation winding, carbon brushes, slip rings, or gearbox required.
Long Service Life: Designed for over 20 years of operation, capable of 24/7 running.
Rapid ROI: Energy-saving features ensure return on investment within 1-2 years.
High Efficiency Design: Multi-pole design improves frequency and efficiency of rectifiers and inverters.
Customizable Specifications: Power, speed, voltage, frequency, and shaft size can be customized to needs.
Versatile Cooling Options: Low heat generation allows for fan cooling or water cooling additions.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: QINGDAOAverage Response Time: ≤7.40hTerms 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?
A:
Generators come with a free three-year warranty starting from the shipment date.
Q:Is the product customizable?
A:
Yes, output power, speed, voltage, frequency, shaft size, and structure can be customized.
Q:What are the applications for this generator?
A:
It is suitable for wind turbines, hydro projects, tidal power, ocean power, and test plants.
Q:Does the warranty cover shipping costs?
A:
For quality issues during the warranty period, the company covers freight; otherwise, the customer pays.
Q:What is the expected lifespan of the generator?
A:
The generator has a long life time of over 20 years and can run 24 hours a day, 365 days a year.
Send Inquiry
*To:
Qingdao Greef New Energy Equipment Co., Ltd.
Qingdao Greef New Energy Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Auto Synchronous AC 3 Phase10kVA~3000kVA Low Speed Leroysomer Alternator 100% Copper Brushless
US$560.00-1,000.00
1 Set(MOQ)
Low Speed Permanent Magnetic Alternator 50kw, 300rpm
US$500.00-130,000.00
1 Piece(MOQ)
Gloria Gr180e 22.5kVA 18.0kw 1500rpm 50Hz Low Speed Alternator for Generator
US$449.00
10 Pieces(MOQ)
Low Rpm Direct-Drive Brushless Permanent Magnetic Synchronous Alternator 100rpm, 150rpm, 200rpm
US$500.00-130,000.00
1 Piece(MOQ)
Gloria Gr355c 455kVA 364kw 1500rpm 50Hz Low Speed Generator Alternator for Generator
US$3,316.00
10 Pieces(MOQ)
15kw 600rpm 400V 50Hz Low Speed Permanent Magnet Hydro Alternator
US$1,377.00-1,680.00
1 Piece(MOQ)
AC 3 Phase AC Permanent Magnet Alternator 40kw
US$310.00-350.00
10 Sets(MOQ)
50kw Low Rpm Low Torque AC Synchronous Permanent Magnet Alternator for Hydro
US$300.00-128,000.00
1 Set(MOQ)
Low Price 10kw 20kw 30kw 40kw 50kw AC Synchronous Alternator
US$320.00-360.00
10 Sets(MOQ)
Low Rpm Direct-Drive Brushless Permanent Magnetic Alternator 100rpm, 150rpm, 200rpm
US$500.00-130,000.00
1 Piece(MOQ)
High Precision 100% copper AC Three Phase 4-pole brushless synchronous alternator
US$5.00-6.00
10 Pieces(MOQ)
250kw 300rpm 450rpm 600rpm Permanent Magnet Alternator Low Rpm AC Synchronous Alternator
US$380.00-45,000.00
1 Piece(MOQ)
ST/STC series single/three-phase AC synchronous generators alternators with IEC standards
US$5.00-6.00
10 Pieces(MOQ)



















