Qingdao Greef New Energy Equipment Co., Ltd
                                                                                                           
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12 Years
Since 2014
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3 Phase Coreless Permanent Magnet Generator with Low Start Torque High Efficiency and Gearless Direct Drive for Industrial Applications

Price Negotiable
Price: Negotiable
MOQ: 1Set
Delivery Time: 25 Working Days
Brand: Greef
Product Description
3 Phase Coreless Permanent Magnet Generator
GDG Series Coreless Permanent Magnet Generator
Product Overview
The GREEF NEW ENERGY GDG series features a disc-type permanent magnet generator that operates without an iron core. This innovative design consists of a spindle and rotor arranged in a disc shape, where the stator is fixed at the center, and the rotor rotates on both sides. Notably, the spindle contains only windings and lacks an iron core, enhancing performance and reducing weight.
Both the stator and rotor are constructed as flat disc structures that utilize axial air gap magnetic flux. They are alternately positioned along the axial direction, which contributes to the generator's compact and efficient design. Due to its short axial length and large diameter, the disc generator easily supports a multi-pole configuration, resulting in a high power-to-mass ratio.
The GDG series boasts several advantages including a low speed rating, the ability to start at low wind speeds, small size, reduced energy consumption, light weight, a compact structure, and high efficiency. These characteristics make it an ideal choice for direct-drive vertical axis wind turbines.
Key Features
  • Low Start Torque Technology: Eliminates hysteresis and gear notch effects with starting torque less than 0.1 N*m
  • High Efficiency: Very low mechanical resistance and minimal energy loss without core
  • Advanced Technology: "Precise Coil" technology with rare earth permanent magnets and multi-pole design
  • Maintenance-Free Design: Gearless direct drive and brushless construction
  • Enhanced Reliability: 8 times longer lifespan than traditional generators
  • Optimized Low Wind Performance: Better utilization in low wind speed conditions
  • Excellent Heat Dissipation: Aluminum alloy outer frame with specialized internal structure
Applications
  • Wind Power Generation: Ideal for megawatt-class wind turbines with enhanced output density
  • Renewable Energy Systems: Solar and wind power setups with efficient energy conversion
  • Industrial Power Sources: Backup or auxiliary power units for various industrial equipment
  • Customized Solutions: Tailored parameters for specific application requirements
Customization Options
Greef offers customized Coreless Permanent Magnet Generators under the model number GDG, featuring coreless wire coil stator and multi-poles inner-rotor design for high power density.
Available Customizations:
• Horizontal and vertical shaft types
• Flange or foot mounting types
• Rotate speed and operating frequency (50/60HZ)
• Generator power, rotational speed, and output voltage
Packaging & Shipping
Each generator is securely wrapped with anti-static and shock-absorbing materials and placed in custom-fitted cardboard boxes. Bulk orders are palletized with protective corner guards and shrink wrap.
Shipping Options: Air freight, sea freight, and express courier services
Packaging Features: Reinforced outer cartons with clear handling instructions
Quality Assurance: All shipments are tracked and insured
Order Information
Model: GDG
Minimum Order: 1 set
Delivery Time: Approximately 25 working days
Certification: CE Certified
Payment Terms: T/T, Western Union, MoneyGram, L/C

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Qingdao Greef New Energy Equipment Co., Ltd
Location 2-111, NO.6 CHANGCHENG NANROAD,CHENGYANG DISTRICT, QINGDAO, CHINA
Contact Person Christina Lei

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