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