
Control method
135
5
Block diagram of Real sensorless vector control
Block diagram of Vector control
PWM
modulation
Output
voltage
conversion
Torque
current
control
Speed
control
Slip
calculation
Current
conversion
Pre-excitation
current
control
Magnetic
flux
control
Magnetic
flux
calculation
ω
∗
ω
FB
-
+
+
-
iq
id
Vq
Vd
ω
0
ω
s
iq
φ
2
id
φ
2
id
I M
ω
FB
+
-
iq
ω
0
+
+
iq
id
∗
Speed estimation
iq
∗
Vq
Vd
PWM
modulation
Output
voltage
conversion
Torque
current
control
Speed
control
Slip
calculation
Current
conversion
Pre-excitation
current
control
Magnetic
flux
control
Magnetic
flux
calculation
ω
ω
FB
-
+
+
-
iq
id
Vq
Vd
ω 0
ω
s
iq
φ
2
id
φ
2
id
I M
Encoder
ω
FB
+
-
iq
ω
0
+
+
iq
id
∗
∗
∗
Содержание 800 Series
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