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8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
1/24
]IAXANFN XA N@S]@N ]A@SAKDAS
Cu ta`rakdar an ld gngdfztabnfbdarfnmanmfr
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]IAXANFN AMAAS ]A@SAK
M@SQZGD MAXSA
Cgksz vacgkd bgyngbdgrfaracfdfr
MAXSA G MAXSA C
g
cP
@v
+ f Cgksz vacgkd bgyngbdgrfaracfdfr
M@SQZGD MAXSA
MfranjfAsmalar]iavanfnBgynglfAsmalar]iavanfn
]I
]I
Sv]iavanfn Amaar Mavrasf
MAXSA G ffn
M@SQZGD MAXSA
MAXSA C
g
cP
@v
+ f
+
]IS
]Iv
MAXSA G
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]IAXANFN VGBDGFKF
M@SQZGD MAXSA
Cgksz vacgkd bgyngbdgrfaracfdfr
MAXSA G MAXSA C
g
cP
@v
+ f Cgksz vacgkd bgyngbdgrfaracfdfr
M@SQZGD MAXSA
@J]I@ vfSv +;S]I
f +
P@v@Jv
+
P
Mavra G nn ]iavanfn amaar mavrasfmfr
Larfdfk Bgyng2 ]IAXANFN AMAASBGVNGF `dgrgb gmdgnmrdr
Mfran2 ]IAXANFN AMAAS MSANJ`dgrgb gmdgnmrdr
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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N@S]@N VGBDGFKF
M@SQZGD MAXSA
Cgksz vacgkd bgyngbdgr
faracfdfr
MAXSA G MAXSA C
g
cP
@v
+ f
Cgksz vacgkd bgyngbdgrfaracfdfr
M@SQZGD MAXSA
]I
@
]I
@J
]I@J@S
v
S
vffSvv ;;
ZJ
]I
@Jf
S
v;
ZJf
]IS
+
@v
g
c
f
Cu mavra Mavra G
]aksfdfAsmalarN`rt`n
fjfnGMavra
BgynglfAsmalarN`rt`nZJf
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]IAXANFN XA N@S]@N ]A@SAKDASNA CGBG CS CGBF
S]I
f +
P@
v@Jv +
P
]iavanfn
]I
@J
ZJS
vf ;
Cu amaardfb bgyngb mnk `dgrgb mg lrdacfdfr.Curgmg mfranda sarf cgd cfr larfdfk bgyngnn2Mfranda pgrgdad cgd cfr gbk bgyngng ngsd mntrdajaf lrdkabtamfr.
ZJf
]IS
+
@v
g
c
f
N`rt`n
BGVNGB MNK CS MAXSANN BGSKGFBDFFNF G_GD]KGB NV CS LASA]S.
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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Bgyngb mnk cfr mavranfn bgrkgbdn gzgdtkgb ffn fyf cfr laratfr...
NA _GKGN QVLQDGNGCDS!!
fmagd bgyngbdgr bgyngbdgrn larab mgvrgndgr ffn fyf cfr k`mad mafdmfrdar.
Larab cfr cgtgryg bsg mavra amfdmffnma s`nsuz gbk ratkaz
+
-
Larfdfk bgyng ffnladftfrfdkf k`mad
Gbk bgyng ffnladftfrfdkf k`mad
ZX
XS
ZF
FS
g
c
g
cZZ
FX
SFX
SSS
;
;;
ALAS2
AZMALASMFSCFSCFSFNAK@MADDAS
]iavanfn vayg N`rt`n Amaarfnf adma atkab ffn Bgyngb Mnk buddgndgcfdfr,
Aar mavrama cg
kd
bgyngb y`bsg...
HGBG] CQNMGN MGIG A]BD ]ABNBDAS MA KAXJQ]]QS
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]IAXANN GNGD_
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf
Bgyngbd(cgkd va/vayg cgksz) vamfrandf iar mavra,cfr larfdfk bgyng va cfr
mfrandf mavraya mntracfdfr. ]iavanfn ta`rakfnma gngdfzfn gkgjng lra
bgrkg
b mavradarf cgsft mavradaramntradacfdfrfz.
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Amaarf(Cgksz Bgyngbd)
Cgksz bgyngbdmavra
]iavanfn amaarmavrasf
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn AmaarfnfnIasgpdgnkgs
]iavanfn amaarfnf cadfrdakanfn takadgmkdgr
v`j yf cudS]i (; v`j / fsj) yf cud
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf dak Cgsgkgbdgr7. Gb mavra larfdfkfnf iasgpdg, X@J.
3.]iavanfn amaar mfranjfnf iasgpdg,S]i(g) aar sgmaja cgksz bgyngb vgrsg ctnlarfdfk bgyngbdgr bsg mavra, ctn gbk
bgyngbdgr gb mavra ygpdr.(c) aar sgmaja cgkd bgyngb vgrsg iasgpdgkgffn cfr tast larfdfk vayg gbk bgyng buddgndr.
S]i ; X]ast/Ftast(j) iak cgkd iak ma cgksz bgyngb cfrdfba
buddgndkgX@J/FZJ.manS]i yf iasgpdgrz
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf dak Cgsgkgbdgr
:. MavraX
@Jva `ng sarf cgdS
]i, yamntrdr.
N`t? dak cgsgkg 3(c) m a amaar mavrasgmajaS]i man `duur, larfdfk bgyngy`btur.
i f df f
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf
SNABDASrnab-7
SD zarfnma man larfdfkfcudunuz,
( )8 79 73 X8 :
`jv ; ;
+
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf
( ) ( ): 83 =: 8
tS ; + ; +
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf
Mavranfn g-c udgrng lra ]iavanfnamaarfnf adma amadfk
rnab-3
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf
( )
( )
7 7 3 7
3 7 3
73 75 8 5
8 : 79 5
f f f f
f f f
+ ;
+ ;
3 7
< 7: 75 : 75 73 X
: 3
`jv f f
; + ; + ;
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn Gngdfzf
( )
( )
73 75 38
73 75 3tS
+; ;
+ +
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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]iavanfn GngdfzfVgdnzjg Cgkd Bgyngb aran Mavradar
rnab-:
Mavranfn G-C udgrng lra ]iavanfn amaarfnf cudgdk
8/10/2019 Elektrik Devreleri 1 - Thevenin Teoremi
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77 ;+ YXX
57
7
3
3
7
777 ;
+
+b
X
b
XX
b
X Y
Manbdakdar XY ffn zdmnma, XY;:/< X cudunur. XYcfdfnmffna lra F7, F3 va F: iasgpdgngcfdfr.
;
;
b
FS]i
71
7=
7
5
kGF
kG
b
XF
kGb
XF
Y
Y
77