Environmental Engineering Reference
In-Depth Information
Grid 50 Hz
Stator power
DFIG
Rotor side
converter
Grid side
converter
I
r
HOSM
Speed Observer
Rotor
power
ˆ
u
v
ω
r
I
r
v
n
MPPT
Second-Order
Sliding Mode Controller
T
em
v
2
v
1
Speed
Fig. 2.8
The high-order sliding mode sensorless control s structure
Fig. 2.9
FAST wind turbine block
is of higher fidelity than other codes [
21
]. An interface has been developed
between FAST and Matlab-Simulink
enabling users to implement advanced
turbine controls in Simulink convenient block diagram form (Fig.
2.9
). Hence,
electrical model (DFIG, grid, control system, etc.) designed in the Simulink
environment
is
simulated
while
making
use
of
the
complete
nonlinear
