WTN - Model 600 - Wind Turbine
The wind power plant WTN 600 is a pitch-controlled turbine with completely variable speed for operation parallel to the public grid. The rated output of the plant is 600 kilowatt; the rotor diameter is 48 meters. The rotor has three blades and is arranged in upwind position of the tower. Yawing into the wind is achieved by two electrically driven yaw systems. You can choose between a 40m or 50m tubular or a 65m lattice tower.
Details
The primary brake and safety system is the independent pitch of each rotor blade. Each blade is driven by help of a gear-motor-unit to the desired pitch position. At all stops the rotor blades are pitched independently into brake position.
The WTN 600 operates with variable speed. The rated power of both asynchronous generators comes to 330 kilowatts each. Two frequency converters are installed to feed the electrical power to the grid.
Technical Data
GENERAL
- Nominal Output:600 kW
- Rotor shaft arrangement:horizontal
- Effect limitation:pitch
- Mode of operation:grid connected
- Hub height :50 m (tubular) / 65 m (lattice)
- Survival windspeed :59,5 m/s (50 m) - 52,5 m/s (65 m)
- Calculated lifetime:25 years
POWER DATA
- Cut in windspeed:3 m/s
- Rated windspeed:12 m/s
- P ower at 10 m/s437 kW
- Cut out windspeed:25 m/s
- Max. shaft power:660 kW
- Specific output:332 / 361 W/m²
ROTOR
- Diameter:46 m / 48 m
- Swept area:1.662 m² / 1.810 m²
- Number of blades:3
- Kind of hub:rigid
- Arrangement of rotor:upwind
- rotor speed range:10 - 30 rpm
- Lambda:5,5
- Pitch angle:2 - 88°
- Conus angle:0 °
- Nacelle angle:4 °
BLADE
- Type:WTN 22,1 / 23,1 - Profile: FX77/79xxx
- Material:GfK / EP
- Lenght of blade:22,1 m / 23,1 m
- Weight:1.650 kg / 1.720 kg
GEAR
- Type:helical spur gear
- Ratio:1 : 50,3
- Nominal torque:190 kNm
YAW-SYSTEM
- Kind (active/passive):active
- Actuation:electrical
- Yaw speed:0,5 ° / s
- Yaw-brake system:4 brake pad pair (Hydraulical)
- GENERATOR
- Quantity:2 units
- Type:asynchronous, squirreled-cage
- Rated output:330 kW
- Rated speed:1.500 rpm
- Voltage:690 V
- Frequency:50 Hz
- Nominal slip:0,9 %
- Protection:IP 54
- Grid connection:full size inverter
TOWER
- Kind & lenght:tubular 48,5 m / lattice 63,5
- Material:Steel / Steel
- Safety ladder:Yes / Yes
- CONTROL SYSTEM
- Power regulation:pitch, electrical activation
- Operating system:Phoenix contact
- Remote control system:Web based
- Automatically start:after loss of grid and after cut out wind
BRAKES
- Aerodynamic brake:pitch system (3x)
- Activation:electrical
- Mechanical brakes:yes
- Arrangement:behind gearbox
- Brake type:2 disc brakes
- Activation:mechanical
MASSES
- Rotor assembly:10.500 kg / 10.700 kg
- Nacelle assembly:24.500 kg
- Tower:54.000 kg / 95.000 kg
- Total:98.000 kg / 130.000 kg
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