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Wind turbine measurements an overview
- 1. WIND TURBINE MEASUREMENTS - CLASSIFICATION & OVERVIEW
LOADS
POWER PERFORMANCE
(POWER CURVE)
ACOUSTIC EMISSION
(NOISE)
WIND RESOURCE
POWER QUALITY
MechanicalElectrical
Electric power, kW Wind speed, m/s
Wind speed Wind direction1 Pressure, N/mm2 Humidity Temperature, OC
Flicker
Converter
Switching frequency
Harmonic
&
Transients
Sound power level, dB(A)
Imbalance
PARAMETER (S), SENSORS & AUXILIARIES
8/2/2014 1
Generator Torque
Transformer load
Electromagnetic field (Interference)
Stress & Components, Natural
frequencies, Equivalent loads
Active power
Reactive power
Apparent power
Velocity & Components
Velocity &
Components
Flow angle
Slope angle of
terrain
Acoustic Pressure
Wind velocity
Optional ONLY in India
Hygrometer
LVDT,
Piezoelectric
sensor
Inductive ,
piezoelectric,
proximity sensor
Anemometer
Lidar, Sodar sensor
equipment
Tachometer
Digital Multimeter
Strain gauge
Piezoelectric sensor
Microcontroller, PLC
Multi-meter
Inductive , piezoelectric sensor,
Anemometer, Lidar, Sodar,
microphones
Load step factor
Grid Phase impedance angle
Voltage & Current
Voltage & Current
Phase
impedance angle
1. Wind vane sensor integrated with optocoupler