How is speed of fan controlled bya regulator?
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The speed of the fan is dependent on the torque produced on the fan rotating part and wings. The torque is produced by a rotating magnetic field on a current carrying conductor loop (copper windings).
That magnetic field is in turn produced by electromagnetic coils (copper wire windings) like solenoids over soft metallic core. The mains current supply in these windings produces the magnetic field.
The regulator controls the amount of current taken in by the fan. That directly affects the magnetic field strength. That directly influences the torque produced and hence the angular speed of rotor.
That magnetic field is in turn produced by electromagnetic coils (copper wire windings) like solenoids over soft metallic core. The mains current supply in these windings produces the magnetic field.
The regulator controls the amount of current taken in by the fan. That directly affects the magnetic field strength. That directly influences the torque produced and hence the angular speed of rotor.
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