Tips and tricks

How do I reset my Powerflex drive?

How do I reset my Powerflex drive?

An alternative way to using the HMI module to reset a PowerFlex 750 drive to default, could be by pressing the P053[reset to default] button on the drive. This action resets all of the drive’s parameters to their factory default values.

Can I run a 50hz motor at 100 Hz?

Yes, the motor speed increases. I am assuming that it is an induction motor. Speed of the induction motor is proportional to the frequency. So if the frequency is increased to 100 Hz, speed will increase to twice the speed at 50 Hz.

What causes a VFD to trip?

If the demands of the load are too great, the motor starts to draw excessive currents from the VFD. Eventually the current demands become too large for the VFD to handle, so it trips out on an overcurrent fault. Overcurrent faults are the most common faults that will shut down a drive.

How do you know if a VFD is bad?

Troubleshooting VFD Problems

  1. Check the system with a good visual inspection.
  2. Clean the drive of dirt, dust and corrosion.
  3. Check all wiring connections for tightness.
  4. Check the line voltages and currents coming into the drive.
  5. Check the drive output for voltage and current.

What happens when a VFD is operated at 50 Hz?

Running a 50Hz design motor over its rated frequency will push it into “field-weakening” status, which means the load capability (torque) you can get from the motor will drop.

What happens when you run a 60hz motor on 50Hz?

For a generic answer: yes you can, IF: you reduce the voltage by 50/60, the equipment doesn’t care, you don’t care about potentially overheating the motor, the process/load can tolerate the lower speed/torque, etc.

What is the autotune feature on the PowerFlex 40?

• The Autotune feature allows the PowerFlex 40 to adapt to individual motor characteristics. Performance • This graph depicts the ability of a PowerFlex 40 drive to accelerate into at least 150% load. A PowerFlex 4 will perform similarly, but with a slightly higher acceleration time.

What is PowerFlex 40?

PowerFlex 40 • Sensorless Vector Control provides exceptional speed regulation and very high levels of torque across the entire speed range of the drive. • The Autotune feature allows the PowerFlex 40 to adapt to individual motor characteristics. Performance

What is the UL number for PowerFlex 40 adjustable frequency AC drive?

U.S./Canada UL: UL508C CUL: CAN/CSA-C22.2 No. 14 Please refer to the PowerFlex 40 Adjustable Frequency AC Drive User Manual, publication 22B-UM001, for additional information. ATTENTION: This drive contains ESD (Electrostatic Discharge) sensitive parts and assemblies.

Where is the control I/O on PowerFlex 40?

Control Wiring OverviewRefer to the PowerFlex 40 User Manual for additional detailed information about control and signal wiring. The Control I/O Terminal Block (TB1) and Relay Terminal Block (TB2) located on the drive Main Control Board provide terminals for interfacing customer supplied control inputs and outputs.