Page 227 - Fluid Power Engineering
P. 227

Power curve







               Six-pole asynchronous  with variable speed  Y 690 V, 50/60 Hz  Adjustable  155  70 4 × 3.4 × 10.4  18  6.7  Vestas Converter Unity System for constant and consistent output to grid Complete variable speed capability







              Generator & Converter  Type  Converter  Voltage  Power factor   Dimensions (m) and Weights (t)  80  Tower  Nacelle  Generator  3.3 × 4 × 4.2  Rotor  44 × 3.5 Blade (1)  Other Aspects  •  •  LVRT  •  Turbine  1.8-MW  V90









                Tower (m)  80, 95  1,800 kW  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  4 m/s Cut-in speed   Rated speed  Cut-out speed  m/s Survival speed  Speed control  Pitch Regulation  Gear ratio  Detailed




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