Basler Electric DECS-400 - Manuel (Page 82)

Frequency
Washout Filter
2
Frequency
Washout Filter
1
SSW 0
Low-Pass
Filter Enable
Disable
Σ +
Mechanical
Power
Low-Pass
Filter
Ramp
Tracking Filter
Σ +
Power
Washout
Filter 1
Power
Washout
Filter 2
SSW 1
Disable
Enable
Integrator
Power
Input
Scalar
+
SSW 2
Frequency
Derived
Speed
SSW 3
Derived
Freq./Speed
Power
SSW 4
Torsional
Filter 1
SSW 5
Torsional
Filter 2
Enable
Disable
Enable
Disable
Phase
Compensation
Stage 4
Phase
Compensation
Stage 3
Phase
Compensation
Stage 2
Phase
Compensation
Stage 1
SSW 6
Disable
Enable
SSW 7
Disable
Enable
Σ _
Terminal
Voltage
Low-Pass
Filter
Ramp Limiter
–4%/s
+2%/s
+
V PSS_SLMT
0
V T_LMT
SSW 8
Disable
Enable
Gain Stage Scale Factor
SSW 9
Disable
Enable
Logic Limiter
Washout Filter
Logic Limiter
Washout Filter
V PSS_ULMT
V PSS_LLMT
SSW 10
Enable
Disable
V PSS_ULMT
V PSS_LLMT
ω
DEV
V
PSS
PSS
Output
V
T
ω
COMP
P
E
P0053-36
_
lmt_hi
lmt_lo
Σ +
+
Test signal input of
comp frequency
Σ +
+
Test signal input of
electric power
Σ
+
+
Test signal input of
derived speed
Σ +
+
Test signal input of
AVR summing
Figure 3-15. Blocs de fonction et commutateurs virtuels du PSS
3-28 DECS-400 - Description fonctionnelle 9369770990 Rev R