C.2 Reactors (Optional) - INVT Goodrive 300-16 Operation Manual

Goodrive300-16 special inverter for HVAC
Model
GD300-16-037G/045P-4
GD300-16-045G/055P-4
GD300-16-055G/075P-4
GD300-16-075G/090P-4
GD300-16-090G/110P-4
GD300-16-110G/132P-4
GD300-16-132G/160P-4
Note: The specifications can be adjusted according to the actual working, but it can not be
less than the designated values.

C.2 Reactors (optional)

Transient high current in the input power circuit may cause damage to the rectifying
components. It is appropriate to use AC reactor in the input side for the avoidance of
high-voltage input of the power supply and improvement of the power factors.
If the distance between the inverter and the motor is longer than 50m, frequent overcurrent
protection may occur to the inverter because of high leakage current caused by parasitic
capacitance effects from the long cables to the ground. In order to avoid the damage of the
motor insulation, it is necessary to add reactor compensation.
If the distance between the inverter and motor is 50~100m, see the table below for model
selection; if it exceeds 100m, consult with INVT technical support.
The inverters of 380V (≥37kW), 500V (≥22kW) and of 660V are equipped with external DC
reactors for the improvement of power factors and the avoidance of damage from high input
current to the rectifying components because of the high-capacity transformer. The device
can also cease the damage to the rectifying components which are caused by supply grid
voltage transients and harmonic waves of the loads.
Fuse (A) Breaker (A)
228 160
270 200
315 200
420 250
480 315
630 400
720 400
131
Appendix C
Rated working current
of the contactor(A)
120
135
170
230
280
315
380