Chapter 4 Installation and commissioning
20
Ch
ap
ter 4
8.
250kW
～
400kW G3 main circuit terminal
Diagram 4-11
：
250kW
～
400kW G3 main circuit terminal
9.
450kW~630kW G3 main circuit terminal
Diagram 4-12
：
450kW~630kW G3 main circuit terminal
Note: P/+ standard is circuit standard configuration is for the shorted state; if external DC reactor
is connected, firstly disconnect and then reconnect.
4-4-2.
Function description of main circuit terminal
Terminal
Name
Explain
R
Inverter input terminals
Connect to three-phase power supply, single-phase
connects to R, T
S
T
Ground terminals
Connect to ground
P, RB
Braking resistor terminals Connect to braking resistor
U
Output terminals
Connect to three-phase motor
V
W
+, -
DC bus output terminals
Connect to braking unit
P, +
DC reactor terminals
Connect to DC reactor(remove the shorting block)
