Not sure where to start, when you need a VFD? Whether you need to upgrade or replace, all you need to know for VFDs or Resistor selection is here.
VFD sizing:
- Crane motion to be controlled.
- If hoisting, does the hoist have a mechanical load brake along with the motor brake?
- Motor HP and number of motors.
- Motor FLA.
Resistor sizing:
- Crane duty Class
- For no load brake (vector) hoists, either the max run time at rated speed, or the hoist’s rated speed and the lift height.
For special requirements, please do not hesitate to give us a call.
Or you can start your own quote request process now: https://www.peinfo.com/customer-care/request-quote/
As a reminder, for travel applications 5HP and under, the Class D regeneration resistors are built into the drive.