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家へ > 製品 > コアレスの永久マグネット発電機 >
Coreless Permanent Magnet Generator with Low Start Torque High Efficiency and Maintenance-free Design for Wind Power

Coreless Permanent Magnet Generator with Low Start Torque High Efficiency and Maintenance-free Design for Wind Power

ブランド名:

Greef

証明:

CE

Model Number:

GDG

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製品詳細
開始のトルク:
<0.03N/M
ローター:
永久マグネット希土類
絶縁の抵抗:
100Mohm Min ((501V DC)
定格電圧:
カスタマイズされた
STATOR:
コアのないワイヤコイル
ジェネレーターの殻材料:
アルミニウム合金
メンテナンス:
メンテナンスフリー
シャフト材質:
鋼鉄
支払いと送料の条件
Minimum Order Quantity
1Set
価格
交渉可能
Packaging Details
Foam+plywooden Case
Delivery Time
25 Working Days
支払条件
T/T、ウェスタンユニオン、マネーグラム、L/C
Supply Ability
Supply Ability
製品説明
Frequency 50/60Hz Coreless Wire Coil Equipment
Providing Higher Reliability and Enhanced Durability in Harsh Environments
GDG Series Disc Type Permanent Magnet Generator external view Generator internal disc structure and components Coreless wire coil stator close-up Permanent magnet rotor assembly
Product Overview
The GDG series disc type permanent magnet generator by GREEF New Energy features an innovative coreless design where the spindle and rotor are arranged in a disc shape. The stator is fixed centrally while the rotor rotates on both sides, utilizing axial air gap magnetic flux technology.
This unique design results in a high power-to-mass ratio, low rated speed, and efficient startup at low wind speeds. The compact size, light weight, and reduced energy consumption contribute to its overall high efficiency, making it ideal 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 for smoother startup performance.
  • High Efficiency
    Coreless design minimizes mechanical resistance and energy losses, delivering superior energy conversion efficiency.
  • Advanced Magnetic Design
    Rare earth permanent magnets with multiple poles and small air gap enable large output power in compact form.
  • Gearless Direct Drive
    Brushless design ensures maintenance-free operation with reduced mechanical complexity.
  • Higher Reliability
    Special structural design provides eight times longer lifespan than traditional generators.
  • Optimized for Low Wind Speeds
    Maximizes energy harvesting in low wind speed conditions.
  • Excellent Heat Dissipation
    Aluminum alloy frame and specialized internal structure maintain optimal performance.
Applications
  • Wind Power Generation
    Ideal for megawatt-class wind turbines with enhanced output density and reduced iron losses.
  • Renewable Energy Systems
    Suitable for solar power and other renewable energy platforms with reliable operational characteristics.
  • Industrial Applications
    Backup and auxiliary power supplies for critical industrial equipment requiring lightweight, efficient power sources.
  • Customized Solutions
    Flexible design allows customization of power output, rotational speed, and voltage levels.
Customization Options
GREEF offers customized Coreless Permanent Magnet Generators (model GDG) designed and manufactured in Qingdao with CE certification. Our generators feature coreless wire coil stators and rare earth permanent magnet rotors for superior performance.
Construction: Aluminum alloy shell with high-quality steel shaft
Insulation: 100MΩ minimum at 501V DC
Minimum Order: 1 set
Delivery: 25 working days
Payment: T/T, Western Union, MoneyGram, L/C
Packaging & Shipping
Packaging: Each unit is securely encased in custom-fitted foam within double-walled cardboard boxes with anti-static protection. Clear labeling ensures safe handling.
Shipping: Worldwide delivery via trusted carriers with tracking information. Packaging designed to withstand rough handling and environmental conditions, with complete customs documentation provided.
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すべてのレビュー

L
L*s
Czech Republic May 4.2023
“I built a small pico hydro system on the creek behind my off-grid cabin. The water head is only 3 meters and flow rate around 0.2 m³/s – too low for most generators. This axial flux coreless unit starts generating usable power at just 150 RPM. No cogging, no iron loss, and it’s silent. I’m getting 300-400W continuously, 24/7. My old induction generator would barely light an LED at that speed. Absolutely perfect for low-head hydro.”

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プライバシーポリシー 中国 良質 永久マグネット交流発電機 提供者 著作権 2019-2026 Qingdao Greef New Energy Equipment Co., Ltd . 複製権所有。