Detailed Product Description

MAIN SHAFT

Driving smooth and reducing load of gearbox due to double support of shaft

FAG spherical roller bearing

Rotor shaft forged from heat-treated steed and optimised for power flow

Hydraulic safety lock

YAW SYSTEM

Double-row four-point bearing

Drived by four gear motors

Holding 12 hydraulic brakes

Yaw speed at 0.5/s

4-position rotor limited switch

GENERATOR

WENERGY double -fed asynchronous generator

FULLY enclosed generator with air/air heat exchanger and heating

Slip ring with coolong and heating system

Alarm when cadbon brush been used up

 Bearing with auto lubrication system

Double output encoder

Monitoring of multi-point temperature and vibration

CONVERTER

WENERGY dynavert XL wind converter system

PMW rectification technology based on synchronous revolution axes and stator flux oriented    vector control technology

Using IGBT modules as the switching units of the rectification and inversin power unit

Autonatic grid connection and stepout control

Maximum power point tracking control strategy based on DSP

TRANSFORMER

Try-type transformer in the reel nacelle can be changed from 690V to 35KV, and avoided losses

M-voltage grade can be set bu user

Cooling system

Lightening protection and earth connection system

Monitoring of multi-point temperature and vibration

CONTROL SYSTEM

Controlling and monitoring baesd on either modules using DSP platform and BACHMANN PLC technology

Data acquisition,information gatherring and data mining via large capacity industrial PC

Vx works realtime operating system

IEC61131-3 standard programme software ,Multiple programming languages: C,C++ ,Java

Windesk wind tribine operation software

Distributed programme module: operation module, hydraulic module,pitch module, yaw module, safety module