Setting Procedure Of Real Sensorless Vector Control (Speed Control) - Mitsubishi Electric FR-A800 Series Instruction Manual

Current control / voltage output / magnetic flux observer
q-axis current controller
E
Torque current
+
command value
Iq
Iq*
F
Excitation +
current
-
command value
Id
Id*
5.3.1 Setting procedure of Real sensorless vector
control (speed control)
Sensorless Sensorless Sensorless
Operating procedure
1.
Perform secure wiring. (Refer to
2.
Set the motor (Pr.71). (Refer to
Set Pr.71 Applied motor to "0" (standard motor) or "1" (constant-torque motor).
3.
Set the overheat protection of the motor (Pr.9). (Refer to
240
5. PARAMETERS
5.3 Speed control under Real sensorless vector control, vector control, PM sensorless vector control
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Torque control
P gain
[Pr.824]
-
([Pr.834])
Torque control
integral time
[Pr.825]
([Pr.835])
d-axis current controller
Torque control
P gain
[Pr.824]
([Pr.834])
Torque control
integral time
[Pr.825]
([Pr.835])
+
Estimated speed
value
+
Slip frequency
ωsl
Torque detection filter
[Pr.827]
([Pr.837])
page
page
search engine
Vq
+ +
+ +
2-phase to 3-phase
conversion
Vd
Online auto tuning
selection
Incoherent
[Pr.95]
operation
Magnetic flux
observer
Real sensorless
vector control
-
+
+ +
Real sensorless
vector control
Real sensorless
vector control
Phase calculation
θsl
+
+
θIM
FR-A8AP
FR-A8AL
Iq
3-phase to 2-phase conversion
Id
46.)
528.)
page 415.)
Soft-PWM operation selection
+
Vu
+
+
Vv
PWM
+
Vw
+
+
One of the conditions satisfied
Magnetic flux observer
Magnetic flux observer
Magnetic flux observer
Estimated magnetic
Slip frequency
operation
Enabled
Speed estimator
Control method
θ
Vector control
Iu
Iv
Iw
[Pr.240]
Soft-PWM
processing
Inverter voltage
output
flux value
Magnetic flux
observer
ωsl
Estimated
speed value
Inverter output
current detection