Download - Performance Comparison of a 2 MW DFIG Wind Turbine Model with different mechanical sub-models
Performance Comparison of a 2 MW DFIG Wind Turbine
Model with different mechanical sub-models
1818 MarchMarch 20092009
A.J. Pujante, E. Gómez, A. Molina, J.A. Fuentes, and A. Vigueras
Index Document
1] Introduction: Doppler effect
2] Wind Speed Measurements
3] Wind Turbine Modelling
4] DFIG Model Implementation
5] Wind Turbine and DFIG controls
6] Simulation results
7] Conclusions
8] Questions
1) Introduction: Doppler effect
Introduction: Doppler effect
Doppler heterodyne LIDAR principle
Sample volume Doppler LIDAR retrieval
2) Wind Speed Measurements
Wind Speed Measurements
Windcube measurements with different scanning cone angle
Wind Speed Measurements
3-hours segment of measured time series of thehorizontal wind speed magnitude for 8-height levels
3) Wind Turbine Modelling
Wind Turbine Modelling Wind power equations
Wind speed equations
Average wind speed
Weight wind speed
Hub wind speed
Filtered wind speed
)(1)( 0 tVtVeq
)()()( 00 pVpHpV Feq
)(1
)(1
tVN
tVN
iieq
01
)(1
)( RRtVN
tV i
N
iieq
Wind Turbine Modelling
Electrical model equations Voltage equations
Magnetic flux equations
Mechanical model equations
Wind Turbine Modelling
Parameter (unit) Name Value
Rated Power (MVA) Sn 2.00
Rated Voltage (kV) Vn 0.69
Rated Current (kA) In 2.00
Rated Frequency (Hz) Fn 50
Stator/Rotor turns ratio Ns/Nr 0.38
Pole numbers NP 4
Stator Resistance (pu) Rs 0.34
Rotor Resistance (pu) Rr 0.009
Stator leakage Inductance (pu) Lls 0.105
Rotor leakage Inductance (pu) Llr 0.111
Magnetizing Inductance (pu) Lm 3.34
Magnetizing Resistance (pu) Rm 47.61
Electrical and mechanical model parameters
Parameter (unit) Name Value
Angular Moment of Inertia (s) HWT 3.82
Mechanical Damping (pu) DWT 0.01
Turbine rotor speed range (rpm) WT 9-19
Rated rotor speed (rpm) rn 1500
Rated wind speed (m/s) Vw 13
Rotor diameter (m) Dr 80
Tubular Tower Height (m) HHUB 80
Gearbox ratio GB 1:100
4) DFIG Model Implementation
DFIG Model Implementation
Schematic of the DFIG WT electrical model
DFIG Model Implementation
Schematic of the DFIG WT mechanical model
DFIG Model Implementation
Schematic of the DFIG WT power converter model
5) DFIG Wind Turbine controls
DFIG Wind Turbine controls
a) and b) Rotor Side Converter PI controls c) and d) Grid Side Converter PI controls
Wind Turbine Modelling Parameters of the PI controls (RSC)
Parameters of the PI controls (GSC)
6) Simulation results
Simulation results
Speed and torque variables of simulation results
Simulation results
Active and reactive power variables of simulation results
Simulation results
Current and voltage variables of simulation results
7) Conclusions
8) Questions