AC DC MOTOR DRIVES - Quiz

1) Which control system is used for Eddy current drives?

Slip controller Rectifier controller AC voltage controller DC chopper controller

2) What is the purpose of JOG key in control panel of D.C drive?

Stop the motor Restart the motor Inching operation Reverse the direction of motor

3) What is the purpose of LCD on basic operator panel in D.C drive?

Indicate the fault Display the speed Monitor the parameter Display availability of supply

4) What is the reason of using shielded cable for connecting low level signal circuits in DC drives?

Easy for connection Good appearance Protects from mechanical injuries Eliminates the electrical interference

5) Which device controls the speed of A.C motor in A.C drive?

Field supply unit (FSU) COMMS technology box Speed feedback technology box Microprocessor based electronic device