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Wind Turbine Technology

Advanced PMDD Technology

Bringing trusted, state-of-the-art energy technologies and expertise to power your projects.

Elegance + performance. It’s how Goldwind is shaping the new standard in wind technology with advanced permanent magnet direct-drive (PMDD) turbines. Our specialised German-engineered PMDD wind turbines are built with the elegant simplicity to deliver powerful energy solutions in diverse operating conditions.


The gearless advantage. By eliminating a failure-prone gearbox, PMDD technology requires fewer components with only one moving part in the drivetrain, further reducing the lifetime maintenance costs of the turbine. The end result is less downtime, meaning an overall increase in turbine availability and increased energy production.

Cost savings over the life of wind power asset. Our turbines offer lower lifetime maintenance costs and shorter planned service cycles than traditional doubly-fed induction generator (DFIG) configurations. As a result of our passive and modular components, the absence of a gearbox, and an innovative pitch control system, our turbines offer improved reliability relative to our competition. Eliminating down-time and replacements associated with gearboxes provides significant cost-of-ownership reductions throughout the life span of a direct-drive turbine.

Trend towards direct drive generator

  • Eliminates failure of gearboxes
  • Eliminates gearbox energy losses
  • Reduces number of required parts by up to 50%

Trend towards permanent magnet generator

  • Better fault ride through/zero power requirement to energize
  • Eliminates secondary winding losses
  • Eliminates slip rings and associated maintenance

Trend towards full power converter

  • More control and operational flexibility
  • Meets advanced grid codes and requirements

Permanent Magnets. A permanent magnet generator further boosts Goldwind’s advantage. Eliminating the need for rotor windings, slip rings, brushes, and associated maintenance makes the turbine more reliable than machine running on wound rotor excitation technology.

High power generating efficiency. Permanent magnet direct-drive (PMDD) turbine generators avoid rotor winding losses and mechanical energy losses associated with gearboxes and couplings. The full power converter provides the flexibility to optimise rotational speed for maximum mechanical energy transformation.

Compliance with demanding grid requirements. Full power conversion means superior electrical grid characteristics.

Achieving core power

Higher Efficiency


Wider speed range and direct-drive blades improve efficiency by 5% compared with traditional generators.

Greater Efficiency

Higher Reliability


Fewer turbine parts help reduce system errors and provide a device utilization rate greater than 98%.

Greater Reliability

Lower Maintenance Cost

The elimination of a gearbox system greatly reduces downtime and long-term O&M costs.

Cost Reduction

Grid-friendly Connection

Zero power-grid impact and exceptional high/low-voltage ride-through capabilities provide comprehensive power flexibility.

Power-Grid Impact
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