desain forward converter

8/17/2019 Desain Forward Converter

1/5

DESAIN FORWARD CONVERTER

Member of the group :

1. Bramasto Adi Nugroho (1310131042)

2. Okta arida !hairu" Nisa (131013104#)3. $uki %ept&a Mahe"dra (131013104')

iketahui :

s * 100

o * 10

+o * 3 A,- 3230/ A * 1/ m2

Bma * 0/2

f * 40 !56

7 * #08ma * 0/ (08)

N1 * N3ro * 0/1 8

r+$ * 128

he 9ire that used * 0/3 mmiameter of Bobbi" * 1/ m

-uestio" : esig" or9ard o";erter

A"s9er :

d(mi") * s < (108 s) * 100 < (108 100)

* '0

N1(mi") *V dc(min) x Dmax

Ac x Bmax x f x η

N1(mi") *90 x0,5

1,6 x 10−4

x0,25 x 40 x103 x0,8

*45

1,28

* 3/1 = 3

N1 * N1M+N 1/2* 3 1.2

* 43/2 = 43

o * s

N 2

N 1

N2 *

V o x N 1

V DC − MIN x D

N2 *10 x 43

90 x 0,5

*36045

* '/ = 10

N3 *

N 1 x Dmax

1− Dmax

*43 x0,5

1−0,5

* 43

N1 : N2 : N3 * 43 : 10 : 43

+$(a;g) * +o *V o

R

+$(a;g) * +o * 3A

>+$ * (108 ? 408) +$(a;g) * (108 ? 408) 3 * 0/3 A < 1/2 A

or r+$ * 128

>+@ * 128 +$ * 128 3

* 0/3 A

$ *

V o (1− D)T ∆ I L x


2/5

$ *10(1−0,5)

0,36 x 40 x103

* 3/42 10?4

* 34/2 µ5

or r o * 0/18

r o *1− D

8 L x C f 2

*

1− D

8 L x f 2

r V o

*

1−0,5

8 x 347,22 x 10−6

x (40 x 103)2 x0,001

* 112/ µ ( = 10 µ)

etermi"e air gap @e"gth

+$ ma * +$A C∆ IL

2

* 3 C0.36

2

* 3 C 0/1#* 3/1# A

lg *µo . L . I

2

max .104

B2

max . Ac

*

4 π x 10−7

x3,47 x10−4

x (3,18)2 x 104

(0,25 )2 x1,6

* 0/441 mm

etermi"e "umber of 9i"di"g

" * L . Imax .10

4

Bmax . Ac

*3,47 x 10

−4 x3,18 x10

4

0,25 x 1,6

* 2/' ( = 2#)

etermi"e Dire %i6e (AD %i6e)

i$rms * √( iLavg2)+( ∆ iL /2

√ 3)2

*

√(3

2

)+(0,36 /2

√ 3 )

2

* 3,001 A = 3 A

E9 *iLrms

s

*3,001

4,5

*0,667

mm2

d9 * √ 4

π . qw

* √ 4

π .0,667

* 0,92mm

Beause of that 9ire (0/'22 mm)/ it 9i@@ ause ski" effet. %o the 9ire must be di;ided i"to some

9ire that ha;e a diameter sma@@er tha" 0/'22 mm. A"d our group hoose a 9ire that ha;e 0/3

mm diameter.

Zen Wire


3/5

+$FM% * 3 A ???G d9ire * 0/'22 mm

Aordi"g to the tab@e/ d9ire * 0.3 mm ???G 0/4' A

%o/ Hsp@it *

I o

I d=0.36mm

*

3

0.495

* /0 ( = )

%pesifiatio" of Dire :

iameter of Dire * 0.3 mm

!5A * 0.4' A

Hsp@it *

$e"gth of 9ire * Hsp@it Id " 1/4

* 3/14 1 10?3 2# 1/4

* 13/# m

= 14 m

TRAFO DESIGN

+,MAJ *1.2 x o!"

η x V s x D *1,2 x 30

0,8 x 100 x 0,5


4/5

* 0/' A

+,FM% * Imax

√ 2

*0,9

√ 2

* 0/4

+%FM% * Iorms

√ 2

*3

√ 2

* 2/12 A

+FM% * I rms

10

*0,64

10

* 0/04 A


5/5

Aordi"g to Di"di"g ata 9e ma& use diameter 9ire 0/4 mm 2 to obtai" partia@@& i"ter@ea;e

9i"di"g/ beause !5A for 0/4 mm2 diameter 9ire is 0/31 A.

PATTERN | ADDITIONAL

%1 ,1 %2 1 %3 ,2 %4 ,3 % ,4 % 2

,a"Ka"g !a9at ota@

$ * N Ʃ BOB+N I sp@it 1/3Ʃ

,rimer 43 1 10?3 3/14 4 1/3 11/23 m

%eku"de 10 1 10?3 3/14 1/3 3/'2 m

ersier 43 1 10?3 3/14 2 1/3 /2 m

ota@ 20/ m 21 m

,rimer %eku"der ersier

Lum@ah $i@ita" 43 10 43

Arus 0/4 2/12 0/04

Lum@ah %p@it !abe@ 1 0/4 mm2 3 0/4 mm2 1 0/4 mm2

desain forward converter

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