Dimmers

Dimmer is a device which controls the intensity of the lights. The product is mostly in White, grey colours and other colors. The available types of the product are inductive type, a resistive type, etc. It is generally used in homes, offices, educational institutes, and various other buildings.

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Detailed Description for Dimmers

 

                Dimmers are devices used to lower the brightness of a light. By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to control light output from resistive incandescent, halogen, and (more recently) compact fluorescent lights (CFLs) and light-emitting diodes (LEDs). More specialized equipment is needed to dim fluorescent, mercury vapor, solid state and other arc lighting.

                                              

                 Modern dimmers are built from semiconductors instead of variable resistors, because they have higher efficiency. A variable resistor would dissipate power as heat and acts as a voltage divider. Since semiconductor or solid-state dimmers switch between a low resistance "on" state and a high resistance "off" state, they dissipate very little power compared with the controlled load.

 

                

 

          

 

 

Circuit Analysis of Dimmer:

 

 


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