Mitsubishi Electric FR-A720-0.4K Instruction Manual page 101
Fr-a700 series
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Also See for FR-A720-0.4K:
- Instruction manual (469 pages) ,
- Instruction manual (472 pages) ,
- Instruction manual (235 pages)
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Control mode
Block diagram of Real sensorless vector control
φ 2
ω
*
+
-
ω FB
ω FB
Block diagram of vector control
φ 2
ω
*
+
-
ω FB
ω FB
90
magnetic
id
*
+
flux
control
-
id
iq
*
+
speed
control
ω 0
+
+
ω s
iq
slip
calculation
φ 2
calculation
speed estimation
magnetic
id
*
+
flux
control
-
id
iq
*
speed
+
control
ω 0
+
+
ω s
iq
slip
calculation
φ 2
calculation
pre-excitation
Vd
current
control
torque
Vq
current
-
control
iq
iq
magnetic
id
Vd
flux
Vq
pre-excitation
Vd
current
control
torque
Vq
current
-
control
iq
magnetic
id
flux
PWM
modulation
output
voltage
conversion
ω 0
id
current
iq
conversion
PWM
modulation
output
voltage
conversion
ω 0
id
current
iq
conversion
IM
IM
Encoder
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