Page 226 - Fluid Power Engineering
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Generator & Converter Six-pole asynchronous  Type  with variable speed  Converter  Y 690 V, 50/60 Hz  Voltage  Adjustable Power factor   Dimensions (m) and Weights (t)  155  80  Tower  70 4 × 3.4 × 10.4  Nacelle  Generator  18 3.3 × 4 × 4.2  Rotor  6.7 44 × 3.5 Blade (1)  Other Aspects  Power curve Vestas Convert









                Tower (m)  80, 95  1,800 kW  4 m/s  12 m/s  25 m/s  14.5 rpm  Variable  Full blade feathering with 3 pitch cylinders  Three-stage  planetary/ helical  Vestas  a  of Specifications





           Vestas V90-1.8 MW  Wind Class  Blade (m) IEC Class  90  Technical Description  Power output  Cut-in speed   Rated speed  Cut-out speed  m/s Survival speed  Speed control  Pitch Regulation  Gear ratio  Detailed




                                                           Stages
                                                         Gearbox
                  IEC IIA
                                             Speed
                                                    Brake
                              Power
                                            Rotor
                                                                        TABLE  9-8
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