Technical Description of an Electric fan (Unit four)
Technical Description of an Electrical Fan An electrical fan is an electrical appliance used for circulating the air of the room. In the tropical countries like India it is an essential appliance for homes especially in the summer season. There are two kinds of fans in use (i) ceiling fan and (ii) pedestal fan Ceiling Fan A ceiling fan is made of metallic blades tightened on a round electric induction motor connected to a suspension rod hooked with the ceiling of the room. The suspension rod has plastic covers at its both ends to hide the wiring and condenser. The electric motor moves on getting the electric current and moves the blades along with it. The tilted blades cut through the air and circulate it in the room. In other words, the whole assembly works like an air screw. The on-off switch and speed control of this fan are provided on the switch board of the room. Pedestal fan A pedestal fan is very similar to a ceiling fan. The difference is that it is not suspended with the ce