Wind Energy Feasibility Study - Town Of Orleans

8 stepsNet power factor after compensation (100-75- 0.97 - 0.99 - 0.99 - 150-25 % )Grid controlVoltage-Current-AsymmetryPower controlactive power transducerMain supply690 VACProtectionPower varistorsContactor/light supply110VAC/220VACControl system supply 24VAC-> 24 VDC +batteriesIndependent over speed controlmaster and back-up brake9 Control System T600-48 TURBOWINDSManufacturerTurbowindsType of supervisorymicroprocessor INTELdigital inputs 48 inputs ( opto-isloated )digital outputs 48 outputs ( opto-isolated )analog inputs 16 analog inputs ( 10 bits )analog outputs 4 analog outputs ( 8 bits )synoptical panel96 colour leds , LCDdisplayremote controlRS232 full remote controlbattery back-up2 monthslightning protectiontransorbs10 Turbine controlsSoftware Turbowinds ( assembler )Powerfull blade pitch - active stallSoftware controlsOver speed rpm’s1823 rpm’s , 1890 rpm’svoltage 10 %frequency1 Hzasymmetry 5 %Wind speed3.4 m/sec - 25 m/secHardware controlsOver speed relay rpm’s ( in controller )1920 rpm’sOver speed brake rpm’s ( independent , fail safe ) 1950 rpm’s11 Weights (in kg.)Wind turbine total (excluding tower)Tower ( 50 m )Rotor (including blades)Above tower (including rotor)35.000 kg54,000 kg12.000 kg35.000 kg7