WinDrive - Simpack

WinDrive® - A New Drive Train Concept for Wind Turbines
SIMPACK User Meeting 2006, Baden-Baden
WinDrive® – Based on Years of Experience
year 1955
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Fixed
Speed
variable
speed
Variable
Speed
Variable
Speed
Fixed
Speed
constant
speed
WinDrive® - Main Components
hydrodynamic torque
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converter
guide vane
revolving
stationary
planetary gear
planetary gear
Wind Turbine – Drive Train
Rotor
Main Gear
WinDrive®
WinDrive®
CoupCoupling
&
Brake
Disc
T
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T
V
P
P
V
Synchronous
Generator
Grid
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Wind Turbine – Controllers
Wind Turbine – Operating Modes
PR
acceleration
power
synchronization
optimized energy production
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speed control
power control
rotor speed
nR
nR , PR : rated speed, rated power
Torque Converter
turbine wheel
Pump Torque
M P = λρ Oilω P2 DP5
guide vanes
Turbine Torque
MT = µ M P
where
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λ, µ :
pump wheel
DP :
ρ Oil :
ωP :
nonlinear functions –
stationary measurements
profile diameter
oil density
pump velocity
Torque Converter Dynamics - Test Components
Torque Converter Type EL10ZFG
Test conditions
for 5 MW WinDrive
Test results:
dead time
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response time
Test Bench Layout
1000kW-Motor
I=300
kgm^2
P500
Torque Converter Dynamics - Test Components
actuator dead time = 8 ms
4850
4200
3550
2900
2250
1600
950
300
rotor power generation [kW]
torque converter response time = 8 ms
torque converter torque [Nm]
guide vane position [%]
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actuator + guide vane speed = 500 mm/s
Synchronous Generator / Grid
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synchronous generator (self - excited)
Matlab/Simulink models developed by the University of Chemnitz
Model 1: Matlab/Simulink - Wind Turbine
aerodynamic
torques
pitch angle
controller
guide vane
controller
wind turbine
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drive train
synchronous
generator
Model 2: SIMPACK in Co-Simulation with
Matlab/Simulink
pitch angle
controller
SIMPACK
• wind turbine drive train
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MATLAB / SIMULINK
• aerodynamics
• torque converter
• synchronous generator
• control system
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Drive train – test field 6.3 MW
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Drive train – test field 6.3 MW
Asynchronous
Motor
Vorecon
Synchronous
Generator
Summary - WinDrive® Concept Advantages
• Space Reduction
• Weight Reduction
• Torque Peak Reduction
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• Vibration Damping
• Short Term Energy Storage
• Excellent Grid Quality
Outlook – Hardware-in-the-Loop Simulation
master controller
rotor
pitch
controller
guide vane
controller
β
M
v
H
M
R
n
H
pitch
W
excitation
controller
n
M
n
E
G
E
main gear
WinDrive
M
R
E
M
E
E
n =const.
G
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M
M
motor
software
transfer gear
test field
synchronous
generator
Outlook – Detailed Aerodynamic Torques
possible customer software, all using
interface in the style of Garrad Hassan‘s Bladed
GH Bladed
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for customer‘s
computation/evaluation
Flex5
(as a subroutine)
FAST
SPLlTTER.dll
EXPORT.dll
Strecke
SIMPACK
AeroDyn
EXPORT.dll
Regler (Pitch)
MATLAB/Simulink-Modell
generating real-time capable code
GH Bladed Interface
dSPACE – HiL-Simulation
via S-Function
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