Fuji Electric Frenic lift, Reference Manual

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1.4 Drive Command Controller
Protection /maintenance function
C
Torque bias (Startup time
)
Slip calculator
+
+
Current controller
Slip comp
. driving gain
Torque current command
calculator
Exciting current command calculator
Motor (No
-load current
)
Current controller
Speed detector
Motor
(No
. of poles
)
Resolution
Motor sound
(Carrier frequency
)
P06
L55
P01
L02
F26
L01
Selection
2-
/3
-phase
converter
AVR
PWM
DC link bus
voltage
+
+
Vibration
suppression
observer
Torque command end timer
L56
Load
unbalance compensator
(ULC
)
+
+
H
98
Slip comp
. braking gain
Rated slip
～
M
Pulse encoder
P09 P10 P12
Motor
Pulse encoder
Output gate driver
Alarm
OC
1
to
OC
3
Cooling fan
control
H
06
Cooling fan
control
Power source
Rectifier
DC link bus capacitor
Motor
Cooling fan
Reference torque bias
Activation time
L66 L68
L69
ASR P constant ASR I constant
L49 L50 L51
Gain Integral time Load inertia
Reference torque
Stop
decision
PWM signals
PG feedback
Detected speed
Detected speed
PWM signal
PG feedback
PG
F42
Control mode
0 1
0
F42
Control mode
0 1
0
6-
phase
PWM signal
Detected speed
/ position
Output current
(Iu
, Iv
, Iw
)
L73 L74 L75
APR P constant APR D constant Detection speed filter time
Trip level
Output current
(Iu
, Iv
, Iw
)
Comparator
Operation setting switch
1
L198
ACR P gain
L05 L76
ACR P gain
during ULC
M
21
C
Figure 1.3 Block Diagram of Drive Command Controller
1-4