What is the purpose of a VFD’s Phase Loss protection function?
A. To protect the motor from damage due to a loss of phase
B. To protect the VFD from damage due to a loss of phase
C. To protect the motor from damage due to overvoltage or undervoltage
D. To protect the motor from damage due to high temperatures
Answer:A
What is the purpose of a VFD’s Phase Loss protection function?
A. To protect the motor from damage due to a loss of phase B. To protect the VFD from damage due to a loss of phase C. To protect the motor from damage due to overvoltage or undervoltage D. To protect the motor from damage due to high temperatures
Explanation: A VFD’s Phase Loss protection function is a feature that allows the VFD to detect when one of the three phases of the voltage supply to the motor is lost and take appropriate action to prevent damage. The VFD can use this function to monitor the voltage supply to the motor and detect when one of the phases is lost. When a phase loss is detected, the VFD can reduce the torque to the motor and/or stop the motor to prevent damage. This feature can be especially useful in applications where the voltage supply is subject to fluctuations or where the motor is operating at or near its maximum torque capacity.