TECHNICAL SPECIFICATIONS Power Curve Energy Production Wind Speed

Document Sample
TECHNICAL SPECIFICATIONS Power Curve Energy Production Wind Speed Powered By Docstoc
					 TECHNICAL SPECIFICATIONS



Supplier / manufacturer     WES BV                               Type                                 a-synchronous
Life expectancy               minimum 20 years                   Number of poles                      4
Service maintenance           twice a year                       Frequency variable                   25 – 80 Hz
Nominal Power                 250 kW
Cut in wind speed             < 3 m/s - 6,7 mph
Cut out wind speed            25 m/s - 56 mph
Nominal wind speed            12 m/s - 27 mph                    Blade                                327 kg
Survival wind speed           60 m/s - 134 mph                   Rotor                                2.500 kg
Yawing                        active yawing / yaw motor          Nacelle incl. rotor                  7.500 kg
Passive power regulation     blade angle adjustment              Tower: 30 m.                         13.300 kg
Active power regulation     fully variable back-to-back system   Tower: 50 m.                         24.400 kg
Hub height               31 – 51 m
Number of blades          2
Rotor diameter                30 m                               Blades                               carbon fibre reinforced epoxy
Noise emission at 8 m/s     45 dB(a) at 300 m.                   Blade length                         13.4 m
                                                                 Tower                                steel: tubular or lattice
                                                                 Foundation                           concrete block with anchor
                                                                                                      or tube
Power                            250 kW                          Corrosion protection                 galvanised steel and other
Voltage                          400V/50Hz 3 phase or                                                 non-corrosive materials.
                                 400V/60Hz 3 phase
Connection                       grid connected
Converter                        back-to-back inverter (IGBT)


Degree of Protection             IP55
According                        NEN1010 & NEN6096
First safety                     passive blade pitch
Second safety                    yawing out of the wind




                            Power Curve                                                        Energy Production
     250                                                             1000



     200                                                              800



     150                                                              600



     100                                                              400



      50                                                              200




           0,0   3,0       6,0         9,0      12,0      15,0               4,5   5,0   5,5    6,0    6,5   7,0   7,5   8,0   8,5

                         Wind Speed [m/s]                                          Annual Mean Wind Speed [m/s]