GD310-UL series VFD
Installation guidelines
-26-
Figure 4-19
Terminals of main circuit for the VFDs of
460V G-type 350
–500kW, P-type 400–500kW
Terminal
220V
≤15kW
460V G-type
≤30kW
460V P-type
≤37kW
220V
≥18.5kW
Function
460V G-type
≥37kW
460V P-type
≥45kW
575V
R, S, T
Power input of the main circuit
3-phase AC input terminals which are
generally connected with the power
supply.
U, V, W
The VFD output
3-phase AC output terminals which are
generally connected with the motor.
P1
/
DC reactor terminal 1 P1 and (+) are connected with the
terminals of DC reactor.
(+) and (-) are connected with the
terminals of braking unit.
PB and (+) are connected with the
terminals of braking resistor.
(+)
Braking resistor 1
DC reactor terminal 2,
braking unit terminal 1
(-)
/
Braking unit terminal 2
PB
Braking
resistor 2
/
PE
Protective grounding terminals
460V: the grounding resistor is less than
10
Ω, every machine is provided 2 PE
terminals as the standard configuration.
These terminals should be grounded with
proper techniques.
Содержание GD310-011P-4-UL
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