Multiple Choice
Speed regulation is accomplished by sensing the speed of the motor and____________ .
A) connecting current transformers to the input of the drive
B) feeding this information back to the drive
C) sensing the increase in current as load is added
D) adjusting this speed
Correct Answer:
Verified
Correct Answer:
Verified
Q2: DC motors are still used in many
Q3: Inverter-rated motors generally have phase paper _.<br>A)to
Q4: Drives using IGBTs generally use _to rectify
Q5: Many variable-frequency drives can provide the_ characteristic
Q6: IGBTs have an insulated gate different from
Q7: Variable-frequency drives control motor speed by controlling
Q8: The magnet wire used in the construction
Q9: The primary purpose of a variable-frequency drive
Q10: The values of current limit, speed, ramping