Vairable-speed and Variable-frequency Three Phase Induction Pitch Motors

Technical Characteristics:

Output Power (kW)


Frequency (Hz)


Operation Temp. (°C)


Operation Altitude (m)


Protection Class

IP55 or above

Insulation Class

F or above

Wonder Electric also provides Yaw Motors to wind turbines. Contact us for more information.

  • Product Detail

Wonder WEAFV&WEVF Series Pitch Motors are variable-frequency and variable-speed three phase induction motors designed for the pitch system of wind turbine, working with the planetary reduction gearbox inside. The motors are suitable for turbines of 1.5MW-6MW.

Wonder pitch motors can run in extreme environment where the air is with salt fog and sand. They have strong capacities of anti-vibration, overload, fast response, accurate positioning and high brake torque, etc. The electrical design of the pitch motors is able to sustain the impact power of high order impulse wave of the inverter applied to the motor. With the inverter, Wonder pitch motors realize a wide range of speed and precise control. Wonder adopts brakes imported with original package, encoders, Harting connectors and sealed self-lubricated bearings, which guarantees the safety and reliability of our products.

Forced fans are optional according to customers’ requirements.


Operational Ambient temperature:

Nominal operational ambient temperature -20°C-+40°C without power de-rating

Extreme operational ambient temperature -30°C-+55°C with de-rating

Protection class: IP55 or above

Isolation class: Minimum F (155°C) or above

The motor winding should be suitable for frequency converter (0-100Hz).

Motor winding protection: option of KL, TH, PT100

Bearing:sealed and greased for full service life

With encoder, brake and forced ventilation.

Corrosion protections and coating:

Corrosion class ISO 12944

Option C4 or higher: C4 coating and stainless steel screws and bolts or higher.

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Send A Message
If you are interested in our products and service, or other information about Wonder, leave a message please. We will give you feedback within 24 hours.