Mitsubishi Electric FR-A700 Instruction Manual page 248

Control mode
Block diagram of real sensorless vector control
Fig. 6-3: Block diagram of real sensorless vector control
Block diagram of vector control
Fig. 6-4: Block diagram of vector control
6 - 68
magnetic
flux
control
speed
control
slip
calculation
calculation
flux
magnetic
speed estimation
magnetic
flux
control
speed
control
slip
calculation
calculation
magnetic
modulation
pre-excitation
current
control
conversion
torque
current
control
conversion
PWM
modulation
pre-excitation
current
output
control
voltage
conversion
torque
current
control
current
conversion
flux
Parameter
M
3~
PWM
output
voltage
current
I001499E
M
3~
Encoder
I001500E