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AC90 TENSION CONTROL FREQUENCY INVERTER MANUAL
Main circuit terminals
Main circuit terminals array and definition
●
Power under 18.5kW main circuit terminals array:
Power under 22~110kW main circuit terminals array:
Power under 132~560kW main circuit terminals array:
Terminal
(-)
DC power terminal
(+)
(+)
Braking resistance terminal
PB
P1
DC reactor terminal
(+)
R
S
Inverter input terminal
T
U
V
Inverter output terminal
W
Earth
E
Chart 3-6:AC90 series inverter main circuit terminals array and definition
PB
R
S
(-)
(+)
R
S
T
P1
(+)
Name
DC power output, (-) means DC bus cathode, (+) means DC
bus anode, used for external braking unit.
Used for external braking resistance to realize quick stop.
Used for external DC reactor.
Used to connect 3-phase AC power supply.
Used to connect the motor.
Earth terminal, earth resistance<10 OHM
23
BASIC OPERATION AND TRIAL RUN
T
U
V
W
E
U
V
W
(-)
MOTOR OUTPUT
Function definition
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