Assertion: motor's speed | /r/HasProperty | controlled
Facets:
value: by varying the armature
type: MANNER
value: by varying the frequency
type: MANNER
value: by using a simple centrifugal governor
type: MANNER
value: accurately
type: MANNER
Source sentences:
text: The speed of a D.C. motor is controlled by varying the armature winding’s current while the speed of an A.C. motor is controlled by varying the frequency, which is commonly done with an adjustable frequency drive control.
text: The speed of a D.C. motor is controlled by varying the armature winding’s current while the speed of an A.C. motor is controlled by varying the frequency, which is commonly done with an adjustable frequency drive control.
text: The speed of a DC motor can be controlled by changing the voltage applied to the armature.
text: By using a simple centrifugal governor, the speed of the motor may be controlled.
text: Speed and position may be accurately controlled using open loop controls; e.g., stepper motors.
text: The speed of a brushless dc motor can be controlled by controlling the input dc voltage.
text: Thus using closed-loop control, the speed of the brushless dc motor can be controlled and it can be made to rotate at any desired speed.
text: Speed is controlled either by varying the armature voltage or weakening the field.
text: Motors are available for both AC and DC current, your typical home wiring will be AC, there are DC converters available which are used in applications where the speed of the motor is controlled.
text: Speed is controlled by varying the supply frequency.