Voltage
Feedforward
Model
Motor Control
Ovr_MCtrl.vsd
Innovation Control
Device name: Date:
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
GE Motors and
Industrial Systems
Salem, Va. USA
PRODUCT:
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
A B CDEFGHIJKLMNOPQRSTU
A B CDEFGHIJKL
June 1, 1998
saved date:
Page name:
Σ
+
+
Σ
+
+
Vx*
Vy*
Voltage
Regulation
&
Dc bus
Compensation
Σ
+
+
Flux Current
Generation
(Sat-Curve)
Vector
Demodulation
of
Voltage
and
Current
Σ

++

Tach
Loss
Detection
Control
On-line
R1
Adaption
On-line
R2
Adaption
Motor
Thermal
Model
Estimated R1 &R2
Motor
Flux
and
Torque
Cal.
Speed
Estima-
tion
Angle
Freq.
Speed
Ix, Iy
Vx, Vy
Voltages & Currents
Command
Flux
Ramping
Slip
Generation
Vector
Rotate
&
PWM
Modulation
Induction
Motor
Flux
Current
Regulation
Slew
Rate
Limit
Torque
Current
Regulation
X + Y
2 2
Overview
Back to Overview
NAVIGATION
Tach
(option)
From Motor
Control Interface
Core
To Speed Feedback
Spd_Fbk
Field-Weakening Control
Modulation
Index Limit
Voltage
Limit
Integrator
Flux ref ratio
Motor flux
Torque fbk, calced
Flux reference
Torque axis volt fbk
Flux axis volt fbk DC bus feedback
Y axis modulation
X axis modulation
Torque cur fbk unfil
Flux cur fbk unfil
Flux current ref
Modulation index
Jun 06, 2000ISD1
Torque current ref
Torque cur fbk unfil
Slewed trq cur ref
Field weak ctl out
100% Flux
Calculated speed
Output frequency
Crossover Voltage
<No Value> V rms
Voltage
Feedforward
Model
Motor Control
Ovr_MCtrl.vsd
Innovation Control
Device name: Date:
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
GE Motors and
Industrial Systems
Salem, Va. USA
PRODUCT:
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
A B CDEFGHIJKLMNOPQRSTU
A B CDEFGHIJKL
June 1, 1998
saved date:
Page name:
Σ
+
+
Σ
+
+
Vx*
Vy*
Voltage
Regulation
&
Dc bus
Compensation
Σ
+
+
Flux Current
Generation
(Sat-Curve)
Vector
Demodulation
of
Voltage
and
Current
Σ

++

Tach
Loss
Detection
Control
On-line
R1
Adaption
On-line
R2
Adaption
Motor
Thermal
Model
Estimated R1 &R2
Motor
Flux
and
Torque
Cal.
Speed
Estima-
tion
Angle
Freq.
Speed
Ix, Iy
Vx, Vy
Voltages & Currents
Command
Flux
Ramping
Slip
Generation
Vector
Rotate
&
PWM
Modulation
Induction
Motor
Flux
Current
Regulation
Slew
Rate
Limit
Torque
Current
Regulation
X + Y
2 2
Overview
Back to Overview
NAVIGATION
Tach
(option)
From Motor
Control Interface
Core
To Speed Feedback
Spd_Fbk
Field-Weakening Control
Modulation
Index Limit
Voltage
Limit
Integrator
Flux ref ratio
Motor flux
Torque fbk, calced
Flux reference
Torque axis volt fbk
Flux axis volt fbk DC bus feedback
Y axis modulation
X axis modulation
Torque cur fbk unfil
Flux cur fbk unfil
Flux current ref
Modulation index
Jun 06, 2000ISD1
Torque current ref
Torque cur fbk unfil
Slewed trq cur ref
Field weak ctl out
100% Flux
Calculated speed
Output frequency
Crossover Voltage
<No Value> V rms