Question

The single-phase half wave rectifier shown in Fig B-3 is supplied from a 230-V, 50Hz source through the step-down transformer with turns ratio n=10:1. The load resistance RL is 10-ohms. Determine a. The average output voltage

Answer 1

Answer:

N

2

dN

1

=

V

2

V

1

=

i

2

i

2

P

out

=P

in

i

load

=

R

v

=

50

25

=0.5A

N

2

N

1

=

i

1

i

2

⇒

2

10

=

i

1

0.5

⇒

10

1

=0.1

R

S

=

i

v

0.1

200

=2000Ω

Hence,

Weget

R

S

=2kΩ