Delta VFD450VL43A-J

Appendix A Optional Accessories
A-9
Application 3
When the power supply capacity exceeds 10 times of the inverter capacity.
Problem: When the mains power capacity is too large, line impedance will be small and the charge
current will be too high. This may damage Hybrid servo drive due to higher rectifier
temperature.
Correct wiring
large-capacity
power
reactor
small-capacity
motor
Hybrid servo drive