#Choppers
#Basics of Power Electronics
A chopper is a device that converts fixed DC input to a variable DC output
voltage directly. Essentially, a chopper is an electronic switch that is used to
interrupt one signal under the control of another.
The SCR or thyristor is one kind of semiconductor device and it is specially designed
to utilize in high-power switching applications. The operating of this device can be
done in a switching mode only and acts as a switch.
Power Electronics refers to the process of controlling the flow of current and voltage
and converting it to a form that is suitable for user loads. The most desirable power
electronic system is one whose efficiency and reliability is 100%.
A power electronic system converts electrical energy from one form to another and ensures
the following is achieved -
Maximum efficiency
Maximum reliability
Maximum availability
Minimum cost
Least weight
Small size.
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#VSK Entertainments
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