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What else can I help you with?
How two speed motor work?
there is two winding is there, one for slow speed , another for fast speed, but both are not variable, but is constant speed. If you use inverter, High speed wingding used for inverter connection .
Electronic component used to control speed of a motor?
In industrial, there is a device called variable frequency drive (allso frequency inverter, ac drive) to control the motor speed by adjusting output frequency.
How can pulleys be used to increase the speed of a motor?
I dont think you can increase the speed of the motor but if the motor is driving some piece of rotating equipment (pump etc) the speed of the driven shaft can be increased up to the point where the motor reaches full load current.
How does a frequency inverter work?
A frequency converter converts alternating current of one frequency to alternating current of another frequency. Generally it's used for controlling the ac motor speed by changing the supply frequency.
What happens if you use synchronous motor in ceiling fans?
Synchronous motors are much more efficient at converting electric power into motion. However, the speed of the motor is controlled by the frequency of the electric supply. So a synchronous motor ceiling fan would be much more efficient, but the speed of the fan would not be controllable, unless frequency controlled power supplies (inverter power) are used.
Which is used to convert DC to ac?
A power switching circuit called an inverter. You could also use an electromechanical motor-generator: DC motor turning an alternator.
How speed of a squirrel cage induction motor can be varied?
There are two ways of changing the speed of AC motors,by altering the frequency or the number of poles in the motor. An increase in frequency of the supply voltage to the motor will cause it's speed to increase while reducing the frequency will causes the motor speed to drop. This is the method exploited by Variable Speed/Frequency Drive. The second method of changing the number of motor's stator poles is the difficult. The manufacture must design the motor such that the number of the motor's pole in operation can be increased or reduced. Increasing the number of poles increases the stator flux density which decreases the speed. Decreasing the number of poles does the opposite. This method is typically found in two speed motors and it's rarely used compared to VSDs.
What is speed controller?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
Which DC motor is constant speed motor?
Dc shunt motor is constant speed motor.Its speed is constant with armature current.This shunt motor is used in paper mills and drilling machines
What is vf speed control?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
Can you increase the rpm of a drive motor once it drop due to added load using variable speed drive controller?
The motor is slowing down due to the load. DC Speed controllers can only slow down motors, not increase the speed/power. 3 phase AC motors are slightly different, in that the speed is controlled by a VFD (Variable Frequency Drive), which can increase or decrease the speed of a motor, provided the motor is large enough to handle the load initially. If the motor is slowing down after a load is applied, and does not regain running speed after the load has "spun up", a more powerful motor is required. Read motor data sheet for running speed. If the motor is hot while running a load, it is more than likely overloaded or at the load limit. Motors with at least 10% to 25% extra power over bare minimum should be used to make up for loss of efficiency, bearing issues, etc. over time.
What is constant speed DC motor?
Dc shunt motor is constant speed motor.Its speed is constant with armature current.This shunt motor is used in paper mills and drilling machines
