Machine

2. Turning on a motor
by using step down transformer
.
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3. ● a transformer that reduces
voltage
● A transformer in which the
secondary winding has
fewer turns than the
primary.
● A transformer, usually
located on the distribution
system, that converts
electricity from a higher to
a lower voltage.
What is Step down transformer?

4. ● A type of motor that
runs on direct current.
DC motors have better
speed control and
higher torque than AC
motors
What is DC motor?

5. ● A bridging Circuit is
used.
● 4 diodes are used.
● The Supply is AC
Alternating current.
● After this we are
getting pulsating DC
current.
● Where both ac and dc is
mixed.
How we are getting DC from Ac?

6. Complete Circuit diagram

7. The wave of Pulsating DC And pure DC

8. ● Finally by using a
capacitor we are
getting pure dc from
pulsating DC.
● Here capacitor is using
as a filter capacitor.
How we are getting pure Dc?

9. The wave shape of pure dc

10. ● With the help of the
pure dc current we are
turning on motor
Turning on a motor

11. THANKS