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n electrical regulator by using resistance the output voltage is varied simultaneously the speed is varied... But to reduce the the energy loses in the resistor, electronic regulator is introduced,which uses triac to vary the output voltage by varying the firing angle.Which avoids lose of energy in resistor...
Wiki User
∙ 11y ago
Wiki User
∙ 14y agoIt works just like a dimmer, when you turn the knob on the fan regulator, it will transmit less power to the fan and the fan will go slower
Wiki User
∙ 13y ago: A: It is not a regulator since the speed is a function of AC input It is however a variable power controller using probably a triac or a scr
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