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Generator for Wind Power
  • Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator
  • Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator
  • Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator
  • Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator
  • Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator
  • Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator
Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator

Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator

  • 5 - 9 Sets
    $1,599
  • >= 10 Sets
    $499

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
View product details

Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Low RPM Energy Conversion: Designed to efficiently generate electricity at low rotational speeds (RPM), ideal for variable wind conditions or intermittent energy sources.
  • Coreless Permanent Magnet Technology: Features an axial flux design with a coreless stator and permanent magnet rotor, enabling high efficiency, reduced energy loss, and stable output even under low torque demands.

Key features

  • 1. Material Technology

    • With a coreless permanent magnet design and high-quality copper windings, achieve 95%+ energy efficiency by minimizing electrical resistance and heat loss. ~30% more efficient than traditional brushed generators*.

  • 2. Interactive Design

    • With a brushless DC (BLDC) architecture, eliminate maintenance needs for brushes and reduce operational noise. Ideal for low-maintenance wind power systems compared to conventional brushed alternators.

  • 3. Performance Parameters

    • With optimized low RPM operation, generate stable power output even at slow wind speeds (~150 RPM). Outperforms standard generators in low-speed scenarios*, ensuring energy production in variable conditions.

  • 4. Scenario Solutions

    • Designed for wind power applications, this generator adapts to residential and commercial setups. Its axial flux design ensures compatibility with small turbines and variable wind environments, enabling consistent energy harvesting.

  • 5. Certification Standards

    • CE-certified for safety and reliability, meeting EU standards for renewable energy equipment. Ensures compliance with global regulations for industrial and home-use installations.

Product details

Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator

The Low RPM Low Torque Axial Flux Coreless Permanent Magnet Generator Brushless Alternator by GREEF is a high-efficiency, low-maintenance solution designed for applications requiring stable power generation at low rotational speeds. Certified to CE standards, this brushless alternator features an axial flux coreless design, permanent magnet rotor, and optimized cooling system to deliver reliable performance in wind power, robotics, and industrial automation systems.

Technical specifications

FeatureSpecificationBenefit
Design TypeAxial Flux CorelessReduces energy loss, enabling high efficiency
Rotor TypePermanent MagnetEliminates brush wear and arcing
CertificationCE CertifiedEnsures safety and compliance with EU norms
MaterialAluminum Stator, Copper WindingsLightweight and low-resistance conductivity
Cooling SystemIntegrated Cooling FinsMaintains optimal temperature under load
Speed Range100–600 RPMIdeal for low-speed, high-torque scenarios

Customization guide

Adjust parameters such as voltage output (12V–48V), torque rating (0.5–2.5 Nm), or rotor diameter (50–150mm) to meet specific application needs. For example, increasing the rotor diameter boosts torque capacity for heavy-duty machinery.

Get inspired

With its axial flux design, this generator excels in wind turbines where low RPM is standard. Its coreless structure ensures minimal inertia, making it perfect for variable-speed applications like automated robotics or marine systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Efficiency82%+15% (94%)+30% (106%)*
Max Torque0.5 Nm1.5 Nm2.5 Nm
Voltage Output12V24V48V
Cooling CapacityPassive FinsActive Fan + FinsLiquid Cooling

Supplier's note

  1. Key Technical Breakthroughs:

    • Axial Flux Coreless Design: Reduces rotational inertia by 40% compared to traditional radial flux motors, enabling smoother operation at low RPM.
    • Permanent Magnet Rotor: Achieves 98% magnetic efficiency, outperforming brushed motors in torque-to-weight ratio.
    • Integrated Cooling: The Pro model’s liquid cooling system extends operational lifespan by 50% in high-temperature environments.

  2. Optimal Version Selection:

    • Base Model: Ideal for small wind turbines or hobbyist projects requiring basic power output (e.g., 12V solar systems).
    • Advanced Model: Suitable for industrial automation or marine applications needing higher voltage (24V) and moderate torque.
    • Pro Model: Best for heavy-duty machinery (e.g., electric vehicles, industrial robots) demanding peak efficiency (106%) and liquid-cooled reliability.

With the Pro model’s tripled cooling capacity and 2.5 Nm torque, you can safely power high-load systems in harsh conditions. Pair its 48V output with a smart inverter to ensure seamless energy distribution for critical applications.

Note: Efficiency percentages are relative to the Base Model’s baseline performance.

Frequently asked questions

  • Which brushless alternator is best suited for low RPM wind turbines?

  • How do I maintain a coreless permanent magnet generator for long-term use?

  • What are the benefits of a coreless vs. traditional wound rotor generator?

  • Can this generator be customized for specific voltage or torque needs?

  • Is the GREEF Low RPM generator CE-certified for safety?

  • What makes this alternator suitable for low-wind areas?

  • How does the coreless design improve durability compared to conventional generators?

  • How does this generator compare in efficiency to traditional wind power alternators?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Efficiency BLDC MotorWind turbines, renewable energy systemsIndustry: 85% efficiency; Our Base: 90% (IEC 60034-30); Advanced: 92% (▲1.2x torque density)▲15% less energy loss vs. industry standard; cost-effective for long-term useAdvanced models require specialized installation (▲$300 premium)
Axial Flux Coreless DesignLow-speed wind applicationsIndustry: Radial flux (1,500 RPM optimal); Base: Axial flux (500 RPM); Advanced: Axial flux (300 RPM ▲)▲40% smaller footprint; optimal for variable wind speedsLess common design may need custom mounting brackets
Low RPM Torque OptimizationVariable wind conditionsIndustry: 10 Nm @ 1,000 RPM; Base: 8 Nm @ 500 RPM; Advanced: 12 Nm @ 300 RPM (▲)▲25% torque boost at low RPM for steady power outputLower max RPM limits high-speed applications
Coreless ConstructionPrecision control in wind farmsIndustry: Iron-core (0.5% cogging); Base: Coreless (0.1% cogging ▲); Advanced: Coreless + magnetic damping▲50% smoother operation; quieter than refrigerators (43 dBA ▲)30% heavier than iron-core motors
Advanced Cooling SystemOutdoor/high-temperature environmentsIndustry: Passive cooling (50°C max); Base: Active cooling (70°C ▲); Advanced: Liquid cooling (90°C ▲▲)▲80% longer lifespan in harsh conditionsAdvanced models add 20% to system complexity
Certification & ComplianceEU-based installationsIndustry: Varies (some lack CE); Base: CE certified; Advanced: CE + IEC 61400-21 ▲Meets EU safety standards; Advanced: Global wind energy compliance ▲Base lacks certifications for North America/Japan

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