Answer / mohd shoeb khan

scr is a three terminal& four layer device.the function of
scr is to control the speed of motor and work as a switch
for large amount of power rating.

Answer / ajay dhiman

speed control of motor

Answer / sandeep

For variable out put voltage with fixed input voltage

Answer / harsh zala

SCR is a device from Solid state family. It can be used as
a switch in electrical system, means high speed switch, for
e.g Inverter, for convertign DC energy into AC energy.

Is is having high current capacity,For speed control of AC
and DC motor we can use SCR but we should have very fine
controlling ckt.

It can replace conventional spped control methods like
resistance control and at the same time can offer less
power consumption.

Due to advancement of power electronics we can use it in
practically many electrical application such as

1) Chopper ( Fixed DC to Variable DC)
2)Inverter ( Fixed DC to variable AC)
3) Cycloconverter ( Fixed AC to variable AC)

Answer / thamizh selvan

in short.. it can be used as a switch.
when gate voltage is applied, it conducts and when gate
voltage is not applied... it does not conduct.
hence it can also b called as asemiconductor switch

Answer / jitender kotwal

As by name it is clear that it is a rectifier device but
in SCR we can rectifier the voltage at desired phase angle
by means of the grid so in havey rectifiers the mattalic
scr are used ,SCR are also used in invertors,motor speed
control,etc

Answer / narasimha rao

it is also called as thryistor.
it can be used as a switch.
scr is to control the speed of motor and work as a switch for
large amount of power rating.As by name it is clear that it
is a rectifier device but
in SCR we can rectifier the voltage at desired phase angle
by means of the grid so in havey rectifiers the metallic
scr are used ,SCR are also used in invertors,motor speed
control,etc

Answer / bhavin

scr is a three terminal and four layer device.the function
of scr is to control the speed of motor and work as a swith
for large amount of power rating.

Answer / marickson kado

switch current.

Answer / a.ramesh

scr is used converting AC voltagn into DC voltage

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