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แหล่งจ่ายไฟแบบสวิตชิ่งด้วยตัวประมวลสัญญาณแบบ ARM7 LPC 2138

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The research deals with the design, simulation, implementation and performance analysis of a full bridge switched mode dc power supply (SMPS) rated for 500W. An ARM7 LPC2138 Controller is used to control the SMPS. The single phase inverter of the DC power supply is controlled employing a PWM controller in the digital processor where a variable DC voltage is compared with a triangular carrier signal at the switching frequency. A discrete type PI controller is used to regulate the output dc voltage at 48 V. The electrical isolation in the feedback loop is provided through an opto- coupler.

The SMPS is simulated using MATLAB and has been successfully implemented. The control software for the LPC2138 Controller is written in C language. A detailed performance analysis of the implemented SMPS is carried out under open loop as well as closed loop operating conditions and with different values of KP and Ki of the controller. It was also demonstrated that its performance should have less than 10 percent of ripple voltage. Furthermore, design objective set efficiency of this SMPS at 80 percent.

Keyword : Switched Mode Power Supply (SMPS)

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! 1 ( (!

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! 1 $59! 1 ) ! $)2! ( $6 " ( ,$59 -- * (!.!

!1 % (

( $6 -( . ) (&) 51 ( 1 $- $ ( $6

!)O> +,-$59 -(1" &) ! ! . . ! ) $2- !(

5 & ! -$ $)2!. ( $6 . , ! &) 5k % &)!31) 1 1)! 1 $59 $)2!1 ! ! ! & 5! 3

!! ! 1 -4&) ( $6 ((! ) $2- !1 -$ . -EDG %) $" $ ! ;GG ! 1 -4&) ( $6 (

$ ! D lD 1 (5‰. -4$)2! O>PBJlG +,- (dcZc`\WWZ1) ! 1 4I,Dl

1 (5‰1 -( I. 4 lGG %)

! . ( $6 ! .&$&( (! ! . .' " )

$59X[\WecZT[ -I! !1 ($"2- ( $6 J +,-&)!31) (! # . 5! 1 ) .& 45

(42)

E:

GND_isolated_V 0

j15Viso 7815

1 2 3

0 C_15supply 3

0.1u

D8_2

j5Viso 7805 1 2 3

H1

5_isolated_V

PWM_4 PWM_1

4

S4 C8_12 33u_tantarum

PWM_4

R8_3 33

R15_1 1k

J3_PWM12

PWM1 1 2 1

C6_21_POL 0.1u R6_11

500 1/2w

GND_isolated_V

J1

CON2 1 2 5_isolated_V

G3 R6_41

500 1/2w

0 C6_41_POL 0.1u

C6_31_POL 0.1u S6_1

6N137_1 1 2 3 4

8 7 6 5

J3

CON2 1 2 R6_42

1k

C8_11_POL 470u D8_1

J1_gate4 gate4

1 2

C8_23 33u_tantarum

H2

C_15supply _25V 2200u

N

3

L2

D15_2

GND_isolated_V

S3 GND_isolated_V

L2 PWM_2

S8_1

IR2110_1 1 2 3 4 5 6 7

14 13 12 11 10 9 8 5_isolated_V

15_isolated_V

S1 S2

S6_3

6N137_3 1 2 3 4

8 7 6 5

S4 PWM_3

R8_1 33

D_supply 1_LED

GND_isolated_V

D15_1

15_isolated_V

TR00007_15v rms

G4

D15_5

G3

5_isolated_V

GND_isolated_V

Fuse_15 F15

1 2

R6_21 500 1/2w

C8_13 33u_tantarum

R6_32 1k

0

1

15_5_0v

con_3 1 2 3 N

L1

S1 R6_12

1k C6_11_POL 0.1u

3

J3_PWM34

PWM2 1 2

R8_4 33 2

S2 R6_22 1k

J1_gate2 gate2

1 2 GND_isolated_V

S3 0

PWM_1

Line

15_isolated_V

G2

G2

S8_2

IR2110_2 1 2 3 4 5 6 7

14 13 12 11 10 9 8 GND_isolated_V

L1

15_isolated_V

C8_21_POL 470u PWM_3

5_isolated_V

R6_31 500 1/2w

G1

G1

Line GND_isolated_V

4 H1

GND_isolated_V PWM_2

C_15supply _50V 2200u

J1_gate3 gate3

1 2

C8_22 33u_tantarum 15_isolated_V

D15_4

D15_3

2 H2 S6_4

6N137_4 1 2 3 4

8 7 6 5

J1_gate1 gate1 Lev el_shif ter 1 2

MC14504 1 2 3 4 5 6 7 8

16 15 14 13 12 11 10 9

5_isolated_V 5_isolated_V

5_isolated_V

15_isolated_V

R8_2 33 G4 S6_2

6N137_2 1 2 3 4

8 7 6 5

15_isolated_V

' "5 ! -Eq; ( $6 ( $6 ( I1 !$59 &( J

D 1 ! 4667<! 1 !! 4667 & ! )1) $)H! !

: ! 1 < ! 5 1 .&$ -$ !

E ( $6 < (& - .! ( $6 +,- (** ) 1)

J 1&) 4667! 1 < & - 1 45$) 3 4+

.\_\- a

! 1 !! 4667( ( $59(! & 1&) 461 -$2- !!

1 !! 4667 !) 57! ! ) &+,-! 1)! &2$! 3 $57 57!

& ,-. -! ) $$)2! -. {^Z] C]Q^RWS$59 1 ! 4667!

{^Z] C]Q^RWS 1 !) 2I (** " 1)

$! 1 455M !•kŠ !•kŠ, (1 &246$) $( # 4 5 )

(43)

EE

Opto coupler 6n137 Input signal

Electronic Part Power Part

Output signal

' "5 ! -Eql 1 ! 4667

** -4 ()!8 ** ! ($" y ! "

,I, .! ( I -. LQffWS " ! @JvC……… ! $ ]^Z] []Q^RWS4

! $)2!. . $$)2!. vTV\`^WWU]^Z] laDE@ )% 8 X\cS^`

I $! ! dcZc`\WWZ {^Z] C]Q^RWS &2(>T`W ZTeW ! PcRRZTeW -.

-

$ ( I45. 4

5k*& -(!$ ! {^Z] C]Q^RW ( $ 2! - 1 4 - ; %)

$(2-$5M$(I 4((** ..•kŠ " $" y $!-! ! -( $6 .!-

" (! .&$! ! ) 1)$ & 4 .\_\, " a

$59 15) ** 1 -4 ! {^Z] C]Q^RW +,-( 1 $" ; %) .&

( $"-(,45 . D; %) . & ! 5 1 $"2-.&$&( (! ! . ! dSTjWS[\T^ ! 15) ( I5 4(!! D; %) , ! 46$) -57 .&1! ! 1 4667 . $$)2! -. C?{X 1 ?CDJ;GJ

8 ?]Z]S]RRc +,- ( I. 4 4(+ + ( ( (I -5 ** 4 J

** " (! . D .\_\. E

.! - ! ( $6 $ .& ( . 1 1) ! 1 -

$&( (! ( $6 3. - ** " $)$H( -I! ! O>:DDG +,-$59 -

(1" &) . ) ! ( $6 ! % !

( $6 -$. ( -8 O> OaZWSacZT]acR! & dcZc`\WWZD ( I - ( $6 4 . 51 vTV\! A]Y (&( !H2. O>:DDG :

(44)

EJ

M1

M3 M2

M4

G1 S1

G4 S4

G3 S3

G2 S2

' "5 ! -Eq@ ! $ $ 1 6)

!) 2O>:DDG -D vTV\m}D XDn $! $! ( $6 -D ** A]Y m}E XEn -D $! ( $6 -EI $! (5 ** A]Y (! X]QS[W

( $6 ! }S]QaU$( vTV\ ()!8 }S]QaU) ! -

.)!8 -$&(2! -& ,-!) 2! -: **

vTV\m}J XJn $! ( $6 -J 1) A]Ym}: X:n ! ( $6 -: +,-X]QS[W ( $6 -: ! }S]QaU$( ( -!)

.\_\_ a "

1&) 46! 1 ( ( * (!.! ( $6 !) 2I ! 1 4($&( (1) ! 1 4(" & ! . .! !1 1&) 46.&! 5 3 $ .&&(15)1 -15)1 ::G %) .&$59 4667! 1 D; %) 1) ; %) () ! 5 ) $&H (! 1 !

$ % ! 1 ! ,I,}S]QaU $.46$) !

. I .! =>?@ ABC:DEF $!H ! 1 !&(15) .&4((! }S]QaU (! ! 46$) ! ) $2- !I (! 4667&2! $2-($ I,! I (!

) &( " &2$! ! $ & " (!

(45)

E;

LM78XX

C1 C2

AC input 220 Vrms 50

Hz Transformer

DC Output Regulated

' "5 ! -EqF 46$) ! 1

! ,I,! !1 &)!31) (! ! . 46$) .

.& + ! 1) ! !1 5 1 . !8 1 4&

. -$. A?@FD; $"2-!8 1 D; %) 1) A?@FG; $"2-!8 1

; %) % - Agd 4 $"2-- 1 $-(. &2 .\D ! H ^G

&(15) (I- ( ( * 1&) 461 -$59 (!$(2-- ! I % ! )4667 & & # I,&)!! "2/ ! !1 &(15) 1&) 461 -. 1&) 461 -1 6)

! !1 &(15) (I-% -451) .! !1 &(15) (I- ( - . #! !1 1 =SWc ^S]UQ[Z+,- ((! 4

=^ x =SWc ^S]UQ[Zx []SW[S]`` `W[ZT]am=[n YTaU]Y cSWcm=Yn

$(2- =[&( I,"2 -& 1! m[]SWcSWcn

=Y &( I,"2 -' .! 1! mYTaU]Y cSWcn .! -$)2!.1! g ()!8 (' "5 ! )

(46)

El

AC

AW AW

' "5 ! -Eqo 1! $6 4 1 gg

! (! "2/ ! 6) 1 =SWc ^S]UQ[Z

s m w O w C

P JK B f

P A A

A 4

2 1

2 mE ;n

! & .& NYxG J axG F $(2-. ! 6) 4 (! .&($59

s m w O

C

P JB f

A P A

A 2 1.67 mE ln

!! ! & 15 3 6) ( ( )$ )

1 $ " m{QZ^QZj]RZcVWn JF %)

1 5$5M)$ " m{QZ^QZST^^RW j]RZcVWn DG $5 $+H

! 1 $ " m{QZ^QZ[QSSWaZn DG 1 (5‰

(I- - mXYTZ[\TaVfSWwQWa[_n DD; !%)$u +

1 " mOa^QZj]RZcVWn EDG %)

(& 1 $ 1 1($&)H! mLen 1! 1 $6 4 ( 5 ( G :

$ )1) (& 1 ! 1 m‹n ( E =ƒee:&2E DGl =ƒe:

(47)

E@

! $)2! 1!

!! 1 (! mE ln 4

AP D: D DGqo eJ &2D:hDGD eeJ

! $)2!1! $&)H! ! .' ! D .&4 =^ . -( (!! -4 !!

$ 41! 1($&)H!$ gElƒDFƒDD -( =^xD JD DGJeeJ

=[xD ED DG:ee:h =YxD JD DG:ee: .! "

5/('(

s m C

ss

f B A N V

4

max ,

1 mE @n

1 15 3). (! $ 4

N1 :; @:

!! $ 4! " 5/('( -:; @: $" y $$)2! -" %

! 5k$84$ ! :@ $2- !&(15) $59&(15) E<D $" y $ ,4 '($ ! 5/('( 2o $ !

! $)2! )

! ! ) $y)- ! 1 ( $ !

71 .

max 6

2 I D

I o =

1 nIO 30

I =

&"2 -& ) ! =DxODƒ‹ 1) =:xO:ƒ‹ 1 15 3$ 4

(48)

EF

=Dx10 10 6 e:

=:x2.233 10 6 e:

!' ! -D $ $)2!) - ! % -! & ) Xb}om=DxDG ;Dee:n 1) Xb}D;m=:x: l:ee:n

.\s " ! @> >!

.! $ $ 1 6) (51 1 - $ "

$59 ** -$&)-( !) 451)- ! 1 - " &(

15) (I- - (I-DD; !%)$u + ** 1 -$ " &(15) ( 5 -$&(21 -57$ " $(

$2- ! 51 ** ( (I-. DD; !%)$u + $ ! 1

$ " !H -( ($H $"2- 4 ! . . ! 15)1 -

(51 ** -$&)-( $)2!4% -()!8 - (I- 34

.\s\- &)+

$2- !1 -4 !! . $ $ 1 6) . 51

1 -$59 ** -$&)-( ' "5 ! -EqDG ) +,-$59! 1 ) 1 -

$ ! $5951 1 ! 1 -( 5$5M) 5 ( DG $5 $+H

! 1 $ " , (! ! 1 (** ! 1 ) !45$"2-.&$&)2 1 1 -$59! 1 $ ! ! (&) 51 1 1 -$59 -(1" &) (!!H2! ! 1 Bc``TjW -5 ! ! 1 >AC

VA

L

C R

IL IO

' "5 ! -EqDG ! 1 $ " !! !1

(49)

Eo

.\s\-\- H[ $ HH [

& ($& - - ! & 1&) 46 -1 6)

S o

If D

L V (1 min) mE Fn

$(2-! & .& ( ! ! 1 5$5M)m In -DG $5 $+H ! 1 %&)

$(2-! & ! 1 %&) -; 1 (5‰IxG ; 1 (5‰% -

max , min

in o

V

D V mE on

$(2-1 15 4 $& - $ !

H 88 . 22 2 L

& ) "2 -m=^n

$-( ") (

2

2 1

LIm

E mE DGn

%

2 I I

Im o mE DDn

1 (! 15 3 4

gx G GD: ‹

( I1 (! LexG : $ )‹xE=ƒee:N[xD NYxD

(50)

JG

m c w c w

c K K JB

A E A

A 2 mE D:n

=^x4 10 8eJ&2JGhGGG eeJ

$)2! 1! !' ! -D % $)2! -( (!! - 4 JGhGGG eeJ 41!

$ BJ:ƒ:lm=^xJ @@ DGJeeJh =[x: lJ DGG ee:h=YxD FD DGG ee:n .\s\-\, H[ $ H d "

! ! 1 $ " .& . 51 ! 1 $ . $!H5

$59 ! $2- ! ( $!H5 1) (& -.! ! 1 ! 1 ) 1) 5$5M)$" 1 , ! 15 (I-1)%&) ! (

( *(! $2- ! ! 57 ** !) 1 -( 5$5M) (! -$ -

4 ! )

L f

D V

C V

o s o

8 2

) 1

( mE DEn

$(2-1 15 3 4 $!H5

C x G :lJ F

-

1 5$5M)DG $5 $+H !! 1) -$)2!. ( (! G :lJ F

.\( " ##$ %&'()*+,-./

5 ()** =>?@ % 8 B\TRRT^` -..! (1&) 461 - 4. ABC :DEF +,- ( ( ( I

E: LTZ?T[S]^S][W``]Src`WU]a>OXC

;D: NL PRc`\eWe]S_

E: LTZXZcZT[>=? mX>=?n

=dC<dQcRF[\caaWR` DG LTZm[]ajWS`T]aZTeW x : JJ `ƒ[\caaWRn d=C<XTaVRW DG LTZ

Bb?<l[\caaWR` `TaVRW WUVW]SE U]QrRW WUVW

(51)

JD J@ ]f }BO{^Ta`m;| Z]RWSca[Wn

i=>K<:XWSTcRi=>KG caUi=>KD XBO<JXZcaUcSU`WSTcROaZWSfc[TaV O:C<:fc`Z`WSTcRTaZWSfc[TaVJGGsrƒ`

' "5 ! -EqDD 1 5 ()** ABC:DEF =?>@ % 8 B\TRRT^` %

! 5 ()** . " $)$H($ " +,-( ! &( l ( I1 ! .

$59d]QrRW WUVWE

' "5 ! -EqDD 5 ()** ABC:DEF

! . 1&) 461 6) (** -I! (.5 ()** $"

: 2^G @ 1) ^G F &2^Ye: 1) ^YeJ 1 d]QrRW WUVW -$ 1

** -$&)-( -4 !! %51! ( ' 8+ ( $" E E %) ! ! &

dQZ_[_[RW " $)$H( I!%51! (.&( ( ! & !) 21 -$ "

1&) 461 - I! (% 5 ()** -$

.\(\- ##$ w ##$

! 15) ** -( ( $2- $)$59 ** -.! 5 ()) ) $59 - (! Xce^RTaV ** -$2- 3 !$59 &2!

(52)

J:

Xce^RTaVcaUv]RU 34 $2- ! ABC:DEF =?>@ []aZS]RRWS ( & ! 15)

** ! )!$59 ** ). 1) 1 &)!! ! 15) , ! !

$ %51! (1) ! ! & 3.%51! ( 3

! 15) ** ! )!$59 ** ) . 51

! 1 - GqE E %) ( -$! & 15) ** ! )!$59

** ). ABC:DEF =?>@ []aZS]RRWS ( DG +,- 1 $ $

! E E %) dTVTZcRaQerWS ( &( DG:J ()$ 1 -4 . 51 (! mE DJn

n ref resolution

ADC V

2 mE DJn

00322 .

resolution 0

ADC %)

()$ 1 .! . 15) ** ! )!$59 ** )

( - 4 ()!8 (' "5 ! -EqD:

1023/1024 1111111111

1/1024 0000000001 0000000000

Step resolution Digital Output

Analog Input

' "5 ! -EqD: ! 15) ** ! )!$59 ** ) -

$ 4 -57$ 15) ** ! )!$59 ** ) (

$ !

296 . 1024 3

1023

max ,

ref DC

V V %) mE D;n

(53)

JE

! % ! 571 !)$ " $)$H( -( $6 57

%51! ( -! & 1 -$ ! .! !1 `e^` $ -57!) ( $ ! 1 JF %) $" y ! ! & 1 $59 - *(!.

! 57!) ! 15) ** ! )!$59 ** ) -.

",- $!-! $2- ! PR]cZ }S]QaU1 -$ ! 57 .\(\, ##$ a

&)! -45 ! ** $ (1 =>?@ $"2-57!) $2- ! -

!) (1) 15) ** ! )!$59 ** ) (1 =>?@

5 ! . (1)I! ! ( ( I.! 1 - GqE E %)

! 57!) 1 -$( (1&) 461 -&2dQZ_[_[RW ( $6 3 ) 1 )($"2-.& ! ! & 15) ** ! )!

$59 ** ) ) .! ! 57!) ** -

1

1 ( !H$(2-1 $ " ( $ ! DGE %) &2dQZ_[_[RW DGG $5 $+H 1) 15 () 2I 1 !( JF %) UQZ_[_[RW (

$ ! JFƒDGE DGG $5 $+H ( $ ! Jl l $5 $+H ' "5 ! -EqDE

' "5 ! -EqDE ! $5 $ 1 ! ** ($&)-(

! 1&) 461 - $ ! ** -$&(2! (&( !H 2$ ! ** -$&(2! 1 (((1 ! ! -((DFG (' "5 ! -EqDJ

(54)

JJ

M1

M3 M2

M4

Main DC input 310 Volt

D1

D2 D3

D4

Vout

VDS1

out

Time(sec)

Time(sec)

Time(sec)

Time(sec)

Time(sec) VDS2

VDS3

VDS4

V 50% Maximum Duty Cycle

' "5 ! -EqDJ 1 $ " -$! !! -1 6)

! 5EqD: $ $&H4 1 -57!) - E E %) +,-

( 57$ )! DG:J 1 1 -1 I! ! .&( 1 -,-$ 2

D @; %) $"2-.&$! ! dQZ_[_[RW Œ;G $5 $+H -4( ! & ?D ! ?E &2

?J ! ?:

! -!) ( 45 ! !1 57!) - ! ! 1 -

( I57$4 ! ! 1 -1 1 ( ( -4( $! D @;

%)

(' "5 ! -EqD; ! 15)1 -( DGE %)$&)21 -

D @; %) % . 5 4$59 5 ()$ 1 -57! $

15) ** ! )!$59 ** ) ! 5 1 I! $ 1 !

4667-& -.! 1 ! 4667 & 1 $ " 1) . 5 $( ) ABC:DEF 1 ! 4667 $$)2!. =d:G:‹ . ! 57!) $2- ! 1 ! 4667 % ! 571 $ " $59)!8 ("1 + $(2-(!

) - $ " ! 1 ! ) 4(-4&)$!)45. ABC:DEF +,-57!

5k*& - ((.

Referensi

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Question: 3 Senator Kristina Keneally: In addition to the Assistance and Access Act, what additional, specific FTE requirements does the Ombudsman have in relation to the oversight