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High Efficiency Permanent Magnet Generator with 2 to 48 Poles and 20rpm-3000rpm Speed Range

Marca:

Greef

Certificação:

Model Number:

GDF

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Detalhes do produto

Tipo de gerador:

3 Fase AC Ímã permanente

Nível de IP:

IP67

Nome do produto:

Gerador de imã permanente

Material de enrolamento:

Velocidade nominal de rotação:

20 rpm-3000 rpm

método de resfriamento:

Resfriamento por Ventilador

Grau de porteção:

IP 54

Effienciency:

>95%

Termos de pagamento e envio

Minimum Order Quantity

1 Set

Preço

Negociável

Packaging Details

Foam+plywooden Case

Delivery Time

25 Working Days

Payment Terms

T/T

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Descrição do produto

AC Current Type Free Energy Solutions Including 2 to 48 Poles Supporting Advanced Power Conversion and Energy Efficiency

Product Overview

The fundamental concept behind a permanent magnet generator is that its rotor is equipped with permanent magnet materials, which create a steady magnetic field. This magnetic field remains constant as opposed to being electromagnetically induced.

When an external power source, such as a wind turbine, water turbine, or engine, causes the rotor to spin, the rotating magnetic field interacts with the stator windings. As the magnetic field moves relative to the stationary conductors in the stator, it effectively cuts through them.

Based on the law of electromagnetic induction, this motion induces an electromotive force within the stator windings. When a load or external circuit is connected to the generator, this induced electromotive force drives an electrical current, thus producing usable electrical energy.

Key Features

Direct drive system with simple design, no gearbox required, and brushless technology for enhanced reliability and reduced maintenance
Exceptional efficiency exceeding 95% with power factor approaching unity for optimal energy usage
Nd-Fe-B permanent magnets enabling smooth operation in both clockwise and counterclockwise directions
High voltage and power output capability even at low speeds for critical low-speed applications
Long lifespan exceeding 20 years with support for continuous 24/7/365 operation
Customization options available for voltage, speed, power, and frequency requirements
3-year free warranty with lifelong service support for ongoing customer assistance

Technical Specifications

Parameter	Specification
Rated Power	0.5 kW to 5000 kW
Rated Rotational Speed	20 to 3000 rpm
Frequency Range	50 to 60 Hz
Number of Poles	2 to 48
Generator Type	3-phase AC synchronous with NdFeB magnets
Winding Method	Y-connection
Maximum Temperatures	Magnet: 120℃, Winding: 180℃
Efficiency	> 95%
Insulating Grade	H (≥100 MΩ at 500V DC)
Protection Class	IP54
Construction Materials	Cast iron shell, 100% copper winding, steel shaft, cold rolled silicon steel sheets
Bearings	SKF brand
Cooling Method	Fan cooling
Weight	Approximately 1200 kg (net and gross)
Installation	Horizontal or vertical orientation

Applications

Wind Power Generation: Core components in direct-drive and semi-direct-drive wind turbines with superior efficiency at variable speeds
Marine and Offshore: Ship shaft generators and power supply for main/auxiliary vessel systems with robust, low-maintenance operation
Backup Power Systems: Integration into diesel and gas generator sets for responsive, stable emergency power
High-Speed Applications: Microturbines and flywheel energy storage systems handling high rotational speeds
Industrial Applications: Special-purpose applications requiring high power density and maximum reliability

Customization Options

Greef offers customized Permanent Magnet Generator solutions tailored to your specific needs. Our GDF model, a high-efficiency magnetic power generator, is designed and manufactured in China and certified with CE to ensure quality and reliability.

Customization Details:
• Minimum Order Quantity: 1 set
• Pricing: Negotiable
• Efficiency: Over 95%
• Rated Rotor Speed: 20rpm to 3000rpm
• Current Type: AC
• Installation: Horizontal or vertical
• Packaging: Foam and plywood cases
• Delivery Time: 25 working days
• Payment Terms: T/T

Packaging and Shipping

Our Permanent Magnet Generators are carefully packaged to ensure perfect condition upon arrival. Each unit is securely wrapped with protective materials including foam padding and bubble wrap to prevent transit damage.

Generators are placed in sturdy, custom-designed wooden crates or reinforced cardboard boxes designed to withstand rough handling and environmental factors.

Shipping Options: Sea freight, air freight, and land transportation tailored to your timeline and budget requirements.

Each generator undergoes thorough quality inspection and testing before dispatch. We provide complete shipping documentation and real-time tracking services from our facility to your doorstep.

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Qingdao Greef New Energy Equipment Co., Ltd

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