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

antoniojesus.pujante@uclm.es

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