Delta VFD-ED Series

Chapter 12 Descriptions of Parameter Settings | VFD-ED
12-00-10
 When Pr.00-09=2, Sensorless Vector Control (SVC) control diagram is as follows:
AVR
LPF
Accel. / Decel. Time
Torque
Compensation
Current
Detection
IGBT
PWM
DC Bus
Voltage
Protection
IM
Pr.05-10
Pr.00-13
Pr.01-01–Pr.01-02
Pr.05-01–Pr.05-09
+
Pr.01-12–Pr.01-30
Fcmd
Pr.00-14
LPF
Slip
Compensation
Pr.05-11
U
a
U
b
U
c
+
U
a
U
b
U
c
Pr.05-13, Pr.05-20
DC Bus
Voltage
Detection
+
I
a
I
b
I
c
+
Pr.01-01–Pr.01-08
V/F Table