Inside a fan regulator | how fan regulator works in hindi

Fan regulators have an important place in the electrical switch boards.
Fan regulators are very similar to light dimmers.
Their function is to regulate/control the speed of the fan
and provide a convenient environment for the residents.
The traditional regulators which are bulky use a resistance
having taps and connected in series with the fan.
When we move the knob different amount of resistance gets inserted in the circuit.
Although cheap the biggest problem with such a regulator is
that a considerable amount of energy is lost in form of heat through the resistance.
When the fan is operating at low speed the power loss is significant.
The technologically superior electronic regulators overcome
these problems by using electronic components to control the speed of the fan.
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