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Mechanical and Electrical Installation MD380 User Manual
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Table 3-1 Description of main circuit terminals of single-phase AC drive
Terminal Name Description
L1, L2
Single-phase power supply
input terminals
Connect the single-phase 220 VAC power supply.
(+), (-)
Positive and negative
terminals of DC bus
Common DC bus input point.
(+), P B
Connecting terminals of
braking resistor
Connect to a braking resistor.
U, V, W AC drive output terminals Connect to a three-phase motor.
Grounding terminal Must be grounded.
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Description of Main Circuit Terminals of Three-phase AC drive
R
S T
PB
U V W
POWER MOTOR
Table 3-2 Description of main circuit terminals of three-phase AC drive
Terminal Name Description
R, S, T
Single-phase power supply
input terminals
Connect the three-phase AC power supply
(+), (-)
Positive and negative
terminal of DC bus
Common DC bus input point
Connect external braking unit to the AC drive of
18.5 kW and above (220 V) and 37 kW and above
(other voltage classes).
(+), P B
Connecting terminals of
braking resistor
Connect the braking resistor for the AC drive of 15
kW and below (220 V) and 30 kW and below (other
voltage classes).
P, (+)
Connecting terminals of
external reactor
Connect an external reactor.
U, V, W AC drive output terminals Connect a three-phase motor.
Grounding terminal Must be grounded.