GD350A series high-performance multifunction VFD
-357-
Image
Name
Description
Cable
Accessory for signal transmission
Breaker
Device for electric shock prevention and protection
against short-to-ground that may cause current leakage
and fire. Select residual-current circuit breakers (RCCBs)
that are applicable to VFDs and can restrict high-order
harmonics, and of which the rated sensitive current for
one VFD is larger than 30 mA.
Input reactor Accessories used to improve the current adjustment
coefficient on the input side of the VFD, and thus restrict
high-order harmonic currents.
The VFD models of 132G/160P and higher can be directly
connected to external DC reactors.
DC reactor
Input filter
Accessory that restricts the electromagnetic interference
generated by the VFD and transmitted to the public grid
through the power cable. Try to install the input filter near
the input terminal side of the VFD.
or
Braking unit
or braking
resistor
Accessories used to consume the regenerative energy of
the motor to reduce the DEC time.
The VFD models of 037G/045P and lower need only to be
configured with braking resistors, those of 132G/160P and
higher also need to be configured with braking units, and
those of 045G/055P-055G/075P can be configured with
optional built-in braking units.
Output filter
Accessory used to restrict interference generated in the
wiring area on the output side of the VFD. Try to install
the output filter near the output terminal side of the VFD.
Output
reactor
Accessory used to lengthen the valid transmission
distance of the VFD, which effectively restrict the transient
high voltage generated during the switch-on and switch-
off of the IGBT module of the VFD.
D.3 Power supply
