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&&,B%-)$ 6* ";$1 6* "8 (6* "8 (6* "8 ( (6* "8 ;" ,6* "F 6* "F 6* "*" 6* "*" 16* "6E6% 16* "4* =6* 6* *N"

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$

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$

= = =

G21 1< ,FA &&&M>%# 0& "*" 6* "

*("; A01,==f0=N10=1A=1f _=1

HH(=

$

= = =

*@E @E)*G21 1< ,F,@ &&"=&(?%# 0+& "*" (6* "

*,"; A0(,1=f0=0=N1A(,1f _(,1

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&& I^@%# 0& "*" (6* "F 6* "

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$

= = =

*@E @E)*G21 1< ,FA &&3.%;$ 6* 8 6* 8 6* 8 ( 6* F 6* F 6* *" 6* *"5p= 6* 6E6% 6*

; A1N1=f" 1N1=

1(=

$

= = =

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; A1N1=f" 1N1=

1(=

$

= = =

G21 1< ,F,@#-F60 1N1=f 9 "690 " &&&-%* 6*

; A(,1=f00=N1A1HHf 1HH

1(=

$

= = =

G21 1< ,FA

Page 83: Electrotecnia Apuntes y Problemas 08-09

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Page 84: Electrotecnia Apuntes y Problemas 08-09

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K &3&& !*&&3!KJ'/ 95$H$2 $21 1< $=$H) $1 G1G 4$:G 1)F G 7 $2P# $1 ,-'?A-'@'@,>/-?$$$ $4$G '5+ & %1 7 ';*'6" 1"

&&&I

,=O*A==,

ρ Ω×

>*'6

==,1 = ,= 1

( $ (

ρ Ω×× = = × × = ⇒ = ∆

%(I2 d2A (===

(=

;* !0?@#=",="1"1(4=,"6)%"144)" RFS"% 0;2*

"1 1 = # ( $ $ )* = ⇒ = ≥ =

4*)' )76*F61/5' "

==,1 = ,N . /

1

$+ $+ $+

$+

$ )* (

θρ Ω××∆ = = × = <

,%8G 1 1 $ 1$ 2';*'6" 1"

&&&I

,=O*A==,

ρ Ω×

>*'6

==,1 (1 1

( $ (

ρ Ω×× = = × × = ⇒ = ∆

%(I2 d2A (===

(=

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;* !0?@#=",="1"1(4=,"6)%"144)" RFS"% 0;2*

"

"

1 1

1

#

#

( $ $ ,-)*

( $ $ )*

= ⇒ = ≥ == ⇒ = ≥ =

4*)' )76*F61/5' "

==,1 (N . /

1

$+ $+ $+

$+

$ )* (

θρ Ω××∆ = = × = <

4#-#56E8#*7-*?76E57@8#;#@87#@6#55#*%*?%@8#%!75!%>E-!%;?87#@8E# %-%5#**7E@#5!%GE-#5J?#%5!h@7!%58#-F6"

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@'?'?','K &&3&& C!&E.' *; // 1 $ $G1 $$1) 1 $954;199$ 1 $$11 1$99'$1 1$# $1 $ $21 1< $ $1 $G1$'/&) $1 1G%

99' 721 1< ' 1$$2&#2 $#$'

I-!3& &I

,'&&3!3&!&0 "5 ) "

,' 1#./0/0! 1!2!

#) ) ) "8) & 9"./0/.! 1!%!

# & ) & 9 =) "

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# )$N(=fM(=2M1="* 0A(% # $,,=fM(=2M1="* 0A(%

5#**7l@8"7"$* 3&

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' Fk57*%$ &1%(% ##2%8%$ &,=%1=%(% 87>#-#@*7%#5$

& + &"5)(=%"8 "

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/$1 $G 11G ;$$ $$ $4$2$:HG 1 $$ 1#9' $ $GG $ $GP7 '/G 1 $$ %

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8G %?) ""(=2M1= (= & "' 976*F61 *)" %"* 1*"2"*rA=H(=2"d20"IA(1I H*"* *"2"*rA=(=2"d20"IA(I %) "= ) ,1f*rA=1(=2"d20"IA1I %)0 "1(==f(=2"d20"IA=NI *5 ";70"

)+ ) )"* " $ 7$9G 7 $1 $$4$1$1 ' &$4$7 $$ 7% >\/1IA,I) >\/=NIA((I) &$4$ 1 $$ $ $$ 7% @\/(1IA,I) @\/(IA((NI)&1 $$4$; $$ 7$ =?0\'$1 $ G $[99= $1,=?0\4G1=:;9$18G 1\=)$=?0\,=?0\,>-R@=B,B= $

O1(, $−

Σ =

# *r"# ""6,"5' $; 0?@#=",="1"1(4=,"6)%"144)" RFS"% 0;2*

( ( $ $ )* = ⇒ = ≥ =

5+) "?@#=",="1"1(4=,"6)%"144)" RFS"% 0P;#

HN ( ( $ $ )* = ⇒ = ≥ =

,=O,=O

,=O

==,(= 1( , . O / =

1NN

( $

(

ρ ϕΩ××= = × × × − =

∆=

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-

-

-(

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-

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Page 91: Electrotecnia Apuntes y Problemas 08-09

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- - -(

A'' '4# 5#-7# : 1"4# ) 5#-7# 9 9E "

66

2 1=27 %

- 1= = =

Ω

45 1[5#-7#$

66

2 1=2 1=27 %

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Ω+ Ω Ω

42 %%"/$$1;91 1 1$$1 $$$$1$'/$ $: 1$$$$1$$'4% 0 "4# E" 2 2 2( 76A7 7 7 2 7 4* "; "4# "# "4( "

RQ,Q>Q''''Q

( @2 2 2 2 """" 2= + + + +

6 (6 (

2 27 7 7 7

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+ +

Page 92: Electrotecnia Apuntes y Problemas 08-09

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- - -(

$ $G$1 '4; 222( """TE"4 $ 2A-74# $ 2A-7 2A-7 2(A-(7 # """#+$( 5#-7#$ -AN[ -A([ -(A=[T$

/ - 6 ")/ 7 6 "/ 6"/ 5 ".6 /"

/ -6A-L-L-(AN[L([L=[A==[

)/6 (

2 2 1=27 =1%- - - - ==

= = = =+ + Ω

/

2A-7AN[=1%A(12 L 2A-7A([=1%A(12 L 2(A-(7A=[=1%A12/ 26A2L2L2(A 1==2 2A(12 2A(12 2(A12 7 7 7 26A1=2 7A=1%

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-

-

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A',' !'4# ;%-%#E $:"

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6 6 6 6 66 (

6 (

2 2 2 2 27 7 7 7 """"""""" 7

- - - - -= = = = =

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6

(

-

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6 ( @2 2 2 2 """" 2= = = = =

76A7L7L7(

Page 94: Electrotecnia Apuntes y Problemas 08-09

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/ - 6 ")/ 7 6 "/ 7 "/ 57 ".6 /"

/ 6

(

- 1(N

=1- - - N ( =

= = = = Ω+ + + +

Ω Ω Ω

*) -6 ;"

)/ 66

6

2 1=27 N,11%

- 1(N= = =

Ω

/ 6

2 1=27 H1H%

- N= = =

Ω 6

2 1=27 =N(%

- (= = =

Ω 6

((

2 1=27 1%

- == = =

Ω

/ 76A7L7L7(AN,1,% 2(A1=2 7(A1% 2A1=2 7A=N(% 2A1=2 7AH1H% 26A1=2 76AN,1,%

Page 95: Electrotecnia Apuntes y Problemas 08-09

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[[

[

A'>' J'4# !7P6E )5#-7#;%-%#E"4# 9 &5#-7#;%-%#E"5 9 &5#-7#;%-%#E 6E6%"/$$1;91 1 1$ 71 $$$$1$$2P$1< !=H$1;$ ;;$'G $

G $!

, >

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(!& J'4T 0 " - -( - -,4# H: $1 $ $ $$$1$G "5"

-

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−= = = Ω

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( ,

( ,

-

- - 1 1=

−= = = Ω

+ +Ω Ω

4# "-45-(4, -4 -(4,4# 5#-7#"

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A'?'I&! !J'/7G 1$;1 $ G 7;$$G 1$G$$$1$=$G 11 1;G' 5 A; " A'?''! '4 5#-7#;%-%#E!7P6E; & #@#-%8E-E;7%"4; ; 6 $67 ;" !R(! 2A(12 2A(12 2(A12 7 7 7 26A1=2 7A=1% (! ! 2(A1=2 7(A1% 2A1=2 7A=N(% 2A1=2 7AH1H% 26A1=2 76AN,1,% 4# !0 ' +"

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A'?','!! '4 5#-7#;%-%#E!7P6E; -#5756#@*7%5"/! $7$71$:6 1$$1GHG 1'/$$$G 1$G$$! 11 1'$! 1;H:$$$1$$;) !' A'?','' '! 1$G$1 '4# 222( """TE"4 $ 2A-74# $ 2A-7 2A-7 2(A-(7 # """/ $$7$1$ $$$1: 1;G$G $C$E$GH$G 1$G$'/$$$G 1$G$$! 11 1'4# $ ;A27 ;A27 ;(A2(7 # """4*+ 5#-7#"4#+$( 5#-7#$ -AN[ -A([ -(A=[T$

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/ -6A-L-L-(AN[L([L=[A==[

)/6 (

2 2 1=27 =1%- - - - ==

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/

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/ - 6 ")/ 7 6 "/ 7 "/ 57 ".6 /"/ ; 6 "/ ; ".; 6 /"

/ 6

(

- 1(N

=1- - - N ( =

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*) -6 ;"

)/ 66

6

2 1=27 N,11%

- 1(N= = =

Ω

Page 100: Electrotecnia Apuntes y Problemas 08-09

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([

=[

/ 6

2 1=27 H1H%

- N= = =

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6(

(

2 1=27 1%

- == = =

Ω

/ 76A7L7L7(AN,1,%4# E" 2(A1=2 7(A1% 2A1=2 7A=N(% 2A1=2 7AH1H% 26A1=2 76AN,1,%/; $ ;6A2676A1=2N,1,%A(HNf/; $ ;A27A1=2H1H% A 1f ;A27A1=2=N(%A (Hf ;(A27(A1=21%A 1=f !R0,=@0WQ>0=A.WQ,@-WR>.,=,BW ! 1$$1$R! 1!

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A'?','>' J'! 1$G$1 J'4T 0 " - -( - -, 1=2 7M$$11 11 F1 '4# H: $1 $ $ $$$1$G "5"

-

- - 1 =

−= = = Ω

+ +Ω Ω

( ,

( ,

-

- - 1 1=

−= = = Ω

+ +Ω Ω

4# "-45-(4, -4 -(4, 1=2 74# 5#-7#"

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/ 95H$$1 1$GH1$ 1'

66

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Page 102: Electrotecnia Apuntes y Problemas 08-09

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( , ((

( (

2 2 (N27 ,N=,%

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Ω ( , ,

,, ,

2 2 (N27 =N(1%

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6 (,2 (,2 (N2 (N2

7 =HH% (,% ,N=,% =N(1%

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Page 106: Electrotecnia Apuntes y Problemas 08-09

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;

;

#+$ ) 01Hf(=2*rA=1"* ))"

=O

=O

1H==H

(= =1

(=

=1 =1 =O

=O . /

==H

(= ==H . =O / == 2%

$

%

$

( $ (

ϕ

ϕ ϕϕ

ϕ−

×= = =× ×

=

= → = = ±= −

=

= × × = × × − =

/7 7$ $91 $#$ 11$;$ /0-'

=O(= =

c

=O==H

=O =O

$

ϕ−

=

< <

!'• ! $# ' *"2"

*r"# ! 119) +"# )+)"! 119 & ))"! 11 ;$H$;$ 1:$ 1 G)FG 1;$ ;G1 1 '

r r

cfc, !9 R!2

!E6E-#@2%*hE !E6E-*%- %8E%;E6#@*7%@E!7@%"

Page 198: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

,/!)2.,

4 !E6E-#5$

8 "krq4=O"*4=OA=" $c]-:$ $c97=;$G$ $c '

; % - "#+$? 1*2 (=2*rA=H"*7;; "

" "

(HO =O

" "

1 " " N(

(= =H

=H =H (HO (HO . /

(=

(= . (HO / HH 2%

1 " " N( (= =H =,

$

%

$

( $ (

$

ϕ

ϕ ϕ ϕ

ϕ

×= = =

× ×= ⇒ = = ± ⇒ = −

= =

= × × = × × − == × = × × =

(= (H= 2% $= × = × =

/7 7$ $9$#$ 11$;$ /0-'

=O(= =

cR/>A=.A (HO

=O =O

$

ϕ−

=

< <

/!%*%#>%**7l@6#-!E#j*6-7*E5#*%8E-%5>-#78E-%55#*%8E-#58#;#ETE-@E5 -76E56%8E-*%>#6#-%58#F%-%2%2%:7%5%2%2%5E5"4# *%E- -#5756#@*7%5"; +T))"

-#5756#@*7%5$ "krA=O"*=OA" $cR ; % "

# ' "8G %?===f (=2"* "

=O =O

===HN (= HN

(=

$ $ ϕ= = = = =× ×

8G %? (1==f (=2"* "

=O =O

(1==1 (= 1

(=

$ $ ϕ

= = = = =× ×

Page 199: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

>/!)2.>

L! >' ''&'LL'& 3'>''!& '&'>',' & &''&'>'>'''&'& 3'4# "" ' & "4#)+ 6)5?!%-6#@57E@#5#@*"%" "" ))"4; ""9+";>E-!%F7@l!7*%"4-6 ))"

=O =O =O- $ F)$ *$ + −Ω Ω Ω

4T &)F)* "#$6"""7$7 "$F)"*$*"#4474*4##447$#))#$ =O7$ "74*4#$#*7$ =O#$

Page 200: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

>/!)2.?

>''!& '&'/$9 ;''1 $ 1 $$'

RQ,Q>Q'''Q/''!&1 $ 1 $$!&VG $P $ G8 $G$H:;H I3'

+R+Q+,Q+>Q'''Q+

/8G % 1 $$1-@T=7 7JRB@T: $ JR.0T

=O

=O

=O

((O

- $ =1 .=1 =/

F)$ N1 .= N1/

*$ H .= H/

.=1 H/ (1N

6

6

6

9 6

+

+

+

= Ω = + Ω= Ω = + Ω= Ω= − Ω

= + Ω = Ω

4# + "/8G % 1 $$1.-T=7 7>--M: $ ,-i$ 1@-H5'+

(

=O

=O

=O

F)$ 1= (== = ,,

*$ 11

1= = =

- $ H= .H= =/

F)$ ,, .= ,,/

*$ 11 .= 11/

.H= ,/

' 8

' 4

6

6

6

9 6

ω π

ω π

+

+

= = × × = Ω

= = = Ω× ×

= Ω = + Ω= Ω = + Ω= Ω= − Ω

= − Ω = H(O(, − Ω

Page 201: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

>/!)2.@

>',' & &''&'4>""5?!%6#@57E@#5;%-*7%#56#@57l@6E6%"4*5?!%@\!#-E5*E!;#:E5"/8G ''%6 =1H[ 5#-7#((2"* "O- 6 "-6A.=L1LH/[A(([O E"%5 "

((

((

$

= = =

Ω

(O E"2A-7A=[%A=22A-7A1[%A122(A-(7AH[%AH2,O) "26A((2/8G ''% 1 $$1.-T=7 7>--M: $ ,-i$ 10=>?L@-H5'+O76 "

(

=O

=O

=O

F)$ 1= (== = ,,

*$ 11

1= = =

- $ H= .H= =/

F)$ ,, .= ,,/

*$ 11 .= 11/

.H= ,/

' 8

' 4

6

6

6

9 6

ω π

ω π

+

+

= = × × = Ω

= = = Ω× ×

= Ω = + Ω= Ω = + Ω= Ω= − Ω

= − Ω = H(O(, − Ω

Page 202: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

>/!)2.A

O E"%5 ">;"

=OH(O

H(

(,

(,

$

+

= = =Ω

(O E"

=O LH(O LH(O

L=O LH(O =H(O

( *( =O LH(O 4N=NO

2 A- 7AH= %AH= 2

2 AP 7A,, %A,, 2

2 AP 7 A11 %A11 2−

Ω

Ω

,O) "

=O LH(O LH(O

L=O LH(O =H(O

( *( =O LH(O

2 A- 7AH= %AH= 2 A .(L+=/2

2 AP 7A,, %A,, 2 A .4(L+HH1/2

2 AP 7 A11 %A−

Ω

Ω

4N=NO

6 =O

11 2A.1(HH4+,N/2

2 .(,L + =/2A(, =

H(OH= +

=H(O,, +

N=NO11 −

26A =O(,

Page 203: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

>/!)2.B

>'>'''&'4G .))/ ./4'"4@ )+1= )+ ) # "45 -#5E@%@*7%)) l"PAP*

ω ω ω πω

π

= = = = = =

=

• $T "• $* % ))T"• *$**>"

4# 5#-7#6#@57E@#5)) "

L=O * 4=OP AP .= / .= / 6 6

+1

→ + = −

4%PP*"5))9 ))"/8G $ '?))H1T1`> 1=[ ""1=2)"#& "T ./" TRSR*S"

(((

(

H1T 0T H1T TH1 =

= T= T T

1 > 0> 1 > 1 =

= >= > >

=N

H1 = 1 =

# 8

4# 4

8 4

µ µµµ

π π

− −

→ ×→ = = ×→

→ ×→ = = ×→

= = =× × ×

Page 204: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

>/!)2..

(=O

=O

=O =O =O

=O

=N H1 = 1H(=

1H(=

=N 1 =

1= 1H(= 1H(= .1= =/

.= 1H(=/

.= 1H(=/

.1= =/ 1=

' 8

' 4

9 6

6

6

6

ω π

ω π

−+

−−

+ −

= = × = Ω

= = = Ω×

= Ω+ Ω+ Ω = + Ω+ Ω− Ω+ Ω = Ω

4*F "4; E"

=O=O

=O

1=

1=

$

= = =

Ω

4; E"

=O =O =O

=O =O =O

=O =O =O

1= 1=

1H(= 1H(=

1H(= 1H(=

$

$

$

+ +

− −

= × = Ω × =

= × = Ω × =

= × = Ω × =

?0 -#5E@%@*7%5#-7# "# "* ))"

L=O2 A1H( 2

=O7A $

- =O2 A1= 2

* 4=O2 A1H( 2

Page 205: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)2.0

L! ?' !''&'LL!'& 3'?''!& !'&'?',' &&& !&''&'?'>'!''&'?'?'!& '?'@'&!c'(&!c!& '?'A'K &3&& ''K' ?'A'') G 41$ $ 1 $'

?'A',') G 1)F'11 $ 1 $'?'A'>'1 $ $ 1$G1 $''

& 3'4# "" ' & "4#)+ 6)5?!%-7@6#@578%8#5#@*"%" "" ))"4;7 ""9+";>E-!%F7@l!7*%"4-6 ))"

=O =O =O- $ F)$ *$ + −Ω Ω Ω 4T &)F)* "#$6"""7$7 "$F)"*$*"#4474*4##447$#))#$ =O7$ "74*4#$#*7$ =O#$

Page 206: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20-

?''!& !'&'/$9 ;''1 !$9$ $9$$1 $$'

(

"""

,

=+ + + +

/''!&1 $ 1 $$!&VG $P $ G8 $G$H:;H I3'

(

"""

,

9

9 9 9 9

=+ + + +

/ $G 7$ $915$1#G ;G $ ) $:2 ' ) ;$$1$=$9H$ 1$:2 $$G 71'/8G ''%6 =1H[ ;%-%#E((2"* 7 "O7 "

((((

=

$

= = =

Ω

((

1

$

= = =

Ω (

(

((,1

H

$

= = =

Ω

O5 "76A7L7L7(A((%L%L,1%A1%(O5- E"

(((,H

1

$= = = Ω

J)- ;"

(

(,H

== 1 H

= = = = Ω+ + + +

Ω Ω Ω

Page 207: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20

8G ''#+$? ;%-%#E =1[))PAN1[P*AH[ (=2M1="* 76 "

j4*E )"

= + +

=O

=O=O

=O

4=O=O

=O

L=O=O

(

(=- $ = .= =/

=1

(=F)$ (, .= (,/

N1

(=*$ 1H, .= 1H,/

H

.= N=/ 1(

$ 6 $

$ 6 $

$ 6 $

6 $

+

= = = = +Ω

= = = = −Ω

= = = = +Ω

= + =

=O

=O

(=O(=O

(==H1

1(

$

9

$ −= = = Ω

4# + "

P

-

P*

Page 208: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20,

/8G % 1 !$$1.-T=7 7>--M: $ ,-i$ 1! ,>-/@-H5'+

(

=O

=O=O

=O

4=O=O

F)$ 1= (== = ,,

*$ 11

1= = =

(=- $ NN .NN =/

H=

(=F)$ ,,= .= ,,=/

,,

*

' 8

' 4

$ 6 $

$ 6 $

ω π

ω π

+

= = × × = Ω

= = = Ω× ×

= = = = +Ω

= = = = −Ω

=O

L=O=O

(NO

=O

(NO(NO

(=$ ,,1 .= ,,1/

11

.NN =1/ H

(=,=N

H

$ 6 $

6 $ $

9

$

+

+

= = = = +Ω

= − =

= = = Ω

=OA,, $−

=ONN $

6 =O2 A(=

6 (NO7 AH $−

* =O7 A,,1 $+

Page 209: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20>

?',' &&& !&''&'4>""5?!%7@6#@578%8#5;%-*7%#57@6#@578%86E6%"4*5?!%@\!#-E5*E!;#:E5"4# 7!;#8%@*7%6E6%"

?'>'!''&'4G .))/ ./4'"4@ )+1= )+ ) # "45 -#5E@%@*7%)) l"PAP*

ω ω ω πω

π

= = = = = =

=

• $T "• $* % ))T"• *$**>"

4# ;%-%#E7@6#@578%8#5)) "E5#%@?%@"

L=O * 4=OP AP .= / .= / 6 6

+1

→ + = −

4%PP*;%-%#Ex"5))9 ))"!3&c4#*E@8#@5%8E- $ @-H5 7@8?*672E*r"

Page 210: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20?

/8G $ !'?))H1T1`> 1=[ ; ""1=2)"#& "T ./" TRSR*S"

(((

(

H1T 0T H1T TH1 =

= T= T T

1 > 0> 1 > 1 =

= >= > >

=N

H1 = 1 =

# 8

4# 4

8 4

µ µµµ

π π

− −

→ ×→ = = ×→

→ ×→ = = ×→

= = =× × ×

(

=O

=O

=N H1 = 1H(=

1H(=

=N 1 =

' 8

' 4

ω π

ω π

−+

−−

= = × = Ω

= = = Ω×

4; E"

=O=O

=O

=O=O

=O

=O=O

=O

=O =O =O

1=

1=

1==H1N1

1H(=

1==H1N1

1H(=

=H1N1 =H1N1

. =/

.= =H1N1/

.= =H1N1/

$

$

$

$ $ $

6 $

6 $

6 $

+

+

− +

= = =Ω

= = =Ω

= = =Ω

= + + = + +

= + ++ −+ +

=O. =/ 6 $ $= + =

Page 211: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20@

(;F$1!$;$ 1$19$C7 7$E=$ G$ $$1 1$G19$C $ $E'

* L=OA=H1N1 $

- =O 67 A 7$ =

6 =O2 A1= 2

4=O7 A=H1N1 %

4# )&& )) ""4)) ) )) &"""4# *r .=O/ )-"F"6"4 FEF7@%578#%#5< =O4=O4=O"

Page 212: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20A

?'?'!& 4# +)-#5E@%@*7%;%-%#E+1="

4#+$ ))) 4,1O7 AH1 %

*r "4#*r "4#+*r*.4,1O/A=N=H."/"45 ; )) )) "4# )) "/ 7$9;$ $1; 1$1G12 1=$$G$ 1! I:G127 7$;1;1 $ '

4,1O7 AH1 %

6 =OA(=

A4,1Oϕ

4,1O7 AH1 %A.=4+=/%

6 =OA(=

A4,1Oϕ

=6 6 $+ = +

=6 6 $− = −

Page 213: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20B

4# + M+=% L+=%"4 =O"46 ++ )"

,1O

=O

,1O =O

=O

H1 .= =/

= = =

H1 =

.= =/

.= =/

.= =/ =

$ 6 $

6 $ 722 6 $ $

$ $

6 $

6 $

6 $ $

+

− +

= = −

− + =

= + = +

= − +

+ +

= + =

4;) "

1(= (H H( =

= 1= (H

H(N

4

$ '

4

ω π

µ

−= = = Ω = = = ×Ω

=

4* )"

*q*4#+*qH(N`>9 ) $

*A`>L((`>AN`>"

4,1O7 AH1 %A.=4+=/%

6 =OA(=

=6 6 $+ = +

=6 6 $− = −

=6 6 $+ = +

=O= $=

Page 214: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)20.

45 ;`>==`>"4#*r &.=O/ "?'@'&!c'(&!c!& '4# *r "4#& 4=O=O L=O"* *r$ $/0-R -C19 E' $-R C$$19 E' $Q0-R -CG19 E'/!1 ;9 %-C19 E-='''-=@'''-=0C'E'''C$$19 E'''-=0CG'E'''-=@'''-='''-CG19 E/ : 4 $G1 $17 7$$1) $c19 $$1 $$1$:$1 $1 $=99$: $GP7 '/ 1$ $ G$ $cG11G 1 11G$$1 1 2419'$1 $ 71 $1 $$1$;$ $2$ $ $24'4* )) '$• 2419% ^ .^f/

)+"7 """• 2419%^ .^2%/

& ))"4#' F)* ; "4; ' $• ;*r "5 "• 5 ))"# $

!) " ) &)" !& "

• 5' *r =H7""4*r $

Page 215: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)200

• G$9$ +

"• G$21 )1$0

*r "• # )+

"#+$* )1Hf *rA=1"5 (=2M1=") )) "

*) +$

1H==H

(= =1

;)+*

* A=1 A*=1A =O

.* / A4=O

.5

$

ϕ

ϕ

ϕϕ ϕ

ϕ

=×= = =

→ ±

=O

'L=O/

#; )) $

7 ==H $

ϕ

−=

4; ) "

1

=O

(=(,N

=HN(

=H =

1= (,N

5

7 ==H .=1=, =HN(/

=HN(

$

: ' 4 '

$ 6 $

7 7 6 $

ω π−

= = = Ω

= = = ×Ω

= = −

+

@

@

*

6 =O

=O

$

* =H

*

)) $

7 .= =HN(/

7 .=1=, = / =1=,

7 ==H .=1=, =HN(/

4

4

6 $

6 $ $

2

$ 6 $

µµ

<=

= +

= + =

= = −

==H =1=, "

"

% $ $ 6

'

Page 216: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)2,--

?'A'K &3&& ''K'45 ) "# "" "4; '0"• *' $& "

d2A-7A.2/#""

2A- 7A.2/#"".0 /

2A- 7* A.2/#"".0/ϕ

159 G F ;$)$#)15• * :$8)

)&"#' "$1$ $52;'';$ $1 1)F'I''

d;A-7

A.f/

Page 217: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)2,-

?'A''K !*&&3& '

4*' ' "4#-F6' 0 "4#+$7 "76*F6"; """5 "*' "

" 2$(I "

" E $ (I%)"1I "

(" 7 %"6"

,"1I)"1I "

45$ d2A-7*r

% 0

(

ρ ϕ ∆ =

8+5 $

(

ρ ϕ = ∆

$$#;''G [ $c

(

ρ ϕ=∆

&&I &&

=O*A==H

ρ Ω×

=O*A==

ρ Ω×

,=O*A==,

ρ Ω×

,=O*A==(((

ρ Ω×

4#' "> 0"

5A5

oA-

Ω× =O*

A ' ./7A7 %.%/d2A*' 2 .2/*rA* "

Page 218: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)2,-,

?'A','K !KJ'& '

4# : "# 0 )+ "

/1 1)F ,-'?A-'@/@,> 9',--?

7'@,/7$ FF".;2*P;#/ 4;)0 $

' 71G $1'

/-F676*F6 ,-'?A-'@/@,> 9'-?$1 $1 I''4-F6476*F6=H7 ) F"6"4-F6476*F6=7 &F"6"

,' $1'

4F+ ) )+ K45 7'@,/7$ $IC7G E=I,C71G =2E"

>' G $1 '59

,1=3N1=2' =3^2"

6 0 )+4;2*]$N=O*"@ ,1=3N1=24#;-P;#$=O*"@ =3^2

?' P 1 $19 $'#

@ "" "/, 1 $G4$'':4$'' #)$'4( ' ""

@' G 41$'

45) ' )!, J!, 0 "

A' G 1)F 7G 1'

0 )) & ) ) 0

70" p7$)

• 70" $* 0 9-"F"6"

• 7$)) &"

Page 219: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)2,->

4#+' 0"4?'"" (=2 (1==f3(=24'*) = ;2*)+ ) )"" *' 0"

%)(I2 d2A (===

(=

" * "

(1 == N===(=,(

(= (=

$

ϕ

ϕ×

= ⇒ = = = =×

(" *' " ( )

==,= (= ,( ( , 5 A,

( $

ρ ϕΩ×

= = × × = ⇒∆

," *) 0"?@#=",="141(4==,"6)%"1"4)" F"

5A,;2*)+ )

• 7C107A10(=,(%A(H=,% 7A,=%• ;2*,70AN%≥/ 7A,=% .@E*?!;#/

VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV4* ! )"

/ 5) ;2*")/ ) #;-P;#

"/ 5@E*?!;#) "

/ 5) ;2*"*)' "

;2*_70A(%≥/ 7A,=% C !E

,!-,_)FR@-kGR?- C !E)/ #;-P;#"

5)' ) ( )

=== (= ,( ,=( 5 A

( $

ρ ϕΩ×

= = × × = ⇒∆

*) ,! J!A,_)FR?0kGR?- C !E

4; ' 0$• ;2*=• #;-P;#

Page 220: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

?/!)2,-?

?'A'>'&3&!''

G $G1 $'7 %

• $%5 .))/<

"*rA_rA=O

• &$2%5 .))/"# ) 25"""

%))*r " !) $ $$1G 1 F=. 4T "

1 $'' • #)$ $%$Q1 '• #)$ $%>$$

%)) *r " 5 *r+" 5)*r)"% ) 0 ))"# ' + *r7"

4; 7 "5' "

? $701 2 $ 8 $

76A701.! /L7.8 / ; $

701.; /L7.8 /

4T "

$ $''4 )) "

4#*r L=O"/!) $$ $$ $FC=@=.E'I?.!1 ','>'

Page 221: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,-@

L! @' ''&'K'& 3'@''K&'&' @'''$ $#$:1$ $4' @'',' 1$#$= 1$4: 11 ' @''>'$ $ $I8$$G[ '@','!K' @','')2 ;7 ' @',',')2 $;7 @','>'$1;7M M ' @','?'$1$;7M ' @','@'$1$;7M '@'>'"&!I *! I&& I&'@'?'K &&*!K I&'@'@'!3&cK' @'@'' $ $$1 )2 '

@'@',') $ $#8 $ 714$1 )1$G G 119'@'A'K &K& 3'4# "" ")+ $ 1""* "

1""* ">;"1"("5) ' )) "1","* )"2"1"1"**r "1""* "" "

Page 222: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,-A

@''K&'&'4 ) F"6"+ "4# % 6. )/F+6. /"46 '%"6" )F"6" "" (>@ "4* @ "; F"6" # @ "4 "" $

@'''$ $#$:1$ $4'$# $1'4#;6-#56#@57E@#56-7>k57*%567#@#@#!75!E2%E-8#6#@57l@;#-E#@6-##%557#!;-#T%G?@8#5>%5#8#=O• 6- >>".6'/"

2-5A,==2 256A,==2 26-A,==2

• 6- >@ ".6>/" 2-@A(=2 25@A(=2 26@A(=2

4#; =O"$=O=O,=O• 6- >>".6'/

-5 =O

56 =O

6- ,=O

2 A,==

2 A,==

2 A,==

(

(

Page 223: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,-B

• 6- >@ ".6>/

-@ =O

5@ =O

6@ ,=O

2 A(=

2 A(=

2 A(=

L - @ L L 5 6

45 '>),==2(=2 "

=O =O

(=O

=O ,=O

,==(=,

(

(=, (=,

.(=, =/ . 1,N ==/ .(,, ==/ ,==

(=, (=,

. 1,N ==/ . 1,N =

, (, ,

( , (,

( (, ,

6 6 6

6 6

= = = =

= − = − =

+ − − + = − =

= − = − =

− + − − −

=O

,=O =O

=O

=/ .= ,==/ ,==

(=, (=,

. 1,N ==/ .(=, =/ . (,, ==/ ,==

, ,

6

6 6 6

+= + =

= − = − =

− − − + = − − =

4 ' 4(=O >"# "

(,

,

,

Page 224: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,-.

487% -%!%2#*6E-7%8#6#@57E@#58#h@#%G8#>%5#

6- >@ ".6>/ (,

-@ =O

5@ =O

6@ ,=O

2 A(=2

2 A(=2

2 A(=2

4 ' >> > >@ "/1$1$ $4:$$$%

,==(= ,== .(H= / (= .= /

( (

(=(( (= .= / (( .1 /

( (

4

4

5

5

= = =

= = =

,

,

,

(,−

(

(,

,−

(

,

,−

Page 225: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,-0

@'',' 1$#$= 1$4: 11 '$# $1'4# '>"• * '$ "7-7576"• * >$))"7-@75@76@"• * @ $ @ "7@"• # # )"

7-

7-@ L - @ 7@ L L 75@ 76@ 76 5 6

75 4* @ >'# "

, ( , (, , = + + = + +

45 I&==O @ "

• #) (,

-@ =O

5@ =O

6@ ,=O

A . =/

A . (/

A . (/

= .= =/,

$ 6 $

$ 6 $

$ 6 $

$ 6 $

= +

= − +

= − −

= = +

,

,

Page 226: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,-

45 & I&= 3 =O"

• 8)"5)" (,

-@ =O

5@ =O

6@ ,=O

1O

A . =/

A .= /

A . (/

. =H/ =(1,

$ 6 $

$ 6 $

$ 6 $

6 $ $

= +

= +

= − −

= + =

,

• 8)"5)"

-@ =O

5@ =O

6@ ,=O

=O

A . =/

A1 . 1 1/

A . (/

. =1 =,((/ =1,

$ 6 $

$ 6 $

$ 6 $

6 $ $

= +

= − +

= − −

= − + =

• 8)"5)"

-@ =O

5@ =O

6@ N=O

,O

A . =/

A1 . =N1 (/

A .= /

.1 =N/ ,(,

$ 6 $

$ 6 $

$ 6 $

6 $ $−

= +

= − +

= −

= − =

4) )@ "5)O+ 1%)=1% )+ @ "

,

,

,

,

,

,

,

(,

(,

,

Page 227: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,

@''>'$ $ $I8$$G[ '4 )+6-"F"6"#- # &F+6 ) ' """6 F"6"4F+6""1= ===2"45$• !)+ $ ?@q1=2• 6$ 1=2q?@y1==2• 6$ 1==2q?@y===2

4 $• (=2 "• (=2 ,==2 , "

4; @''' 6#@57E@#56-7>k57*%5 6#@57E@#5!E@E>k57*%5

-5 =O

56 =O

6- ,=O

2 A,==

2 A,==

2 A,==

-@ =O

5@ =O

6@ ,=O

2 A(=

2 A(=

2 A(=

@','!K'4 ) ))"4 #J?77F-%8E5 )) )) =O =O"#+ )$• ! $ ))"• 6 $ ))"• T + $ "• F ' $ "• 7 1= ) $1=

"4 8#5#J?77F-%8E5 "#+ )) """# ) 3"

Page 228: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,

#+ )$• 7 $

) "• 2$

)&) "• #

) ) @ "4 +) ,==2) @ "@','')2 ;7 '4# )$• '>"• #) 0 "• ')"• >)"• ' >"

?--=>j + +>

+,

4%Di ' "

( (

( ( ( ( ( (

( (

+ = → = −

+ = → = −

+ = → = −

4; ]]](E

(

( ( ( (

9 9 9= = =

(

(

(

Page 229: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>

4? '"4 '$$1;7 $

(

4

=

4#+$? ,==2 1=[ < ';"

=O=O

=O

=O=O

=O

,=O,=O

( =O

,==H

1=

,==H

1=

,==H

1=

((

((

$

9

$

9

$

9

= = =Ω

= = =Ω

= = =Ω

45) ) ) "!=O4 '> $

=O ,=O

(=O

=O =O

1=O

,=O =O

H H .H =/ . , H/

. H/ (H1

H H . , H/ .H =/

. H/ (H1

H H . ,

(

( ( (

(

$ $ 6 $ 6 $

6 $

$ $ 6 $ 6 $

6 $

$ $ 6

= − = − = + − − − =

= + =

= − = − = − + − + =

= − + =

= − = − = − −

N=O

H/ . , H/

.= (H1/ (H1

$ 6 $

6 $

− − + =

= − =

45) ' )$

(H1H

( (

4

$ $= = =

Page 230: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,?

@',',')2 $;7 '4# )) ))"4# )$• '>"• 8) @E0 "• ')"• >)"• ' >"

?--=>j + +>

+,

4%Di ' "

( (

( ( ( ( ( (

( (

+ = → = −

+ = → = −

+ = → = −

4; ]]](E

(

( ( ( (

9 9 9= = =

4? '"

(

(

(

Page 231: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,@

4#+$? ,==2 1=[1[ < ';"

=O=O

=O

=O=O

=O

,=O,=O

( =O

,==H

1=

,==

1

,==H

1=

((

((

$

9

$

9

$

9

= = =Ω

= = =Ω

= = =Ω

45) ) ) "8 =O4 '> $

=O ,=O

(=O

=O =O

(O

,=O =O

H H .H =/ . , H/

. H/ (H1

H . H (H1/ .H =/

. (H1/

H .

(

( ( (

(

$ $ 6 $ 6 $

6 $

$ $ 6 $ 6 $

6 $

$ $

= − = − = + − − − =

= + =

= − = − = − + − + =

= − + =

= − = − = −

NO

, H/ . H (H1/

., =NH,/

6 $ 6 $

6 $−

− − − + =

= − =

45) 8#5#J?77F-%8E@E '' )"

(

(

(

Page 232: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,A

@','>'$1;7M M '/# @ > ) )# "# (=2 ))"4- @ $;7 $ (=2"* + )"#+ )$• 7 $

) "• 2$

)&) "• #

) ) @ "4# ) @ .+ /) >@ @ &"4* # )@ $• "• #) 0 "• ')"• >)"• % '"• >' )

$

,==(=

( (

4

= = =

J+ 6# "

• 0T@ )

Page 233: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,B

+

+, +>

4%Di ' "

( , (,

( (, ,

, ,

= −

= −

= −

4; ]]](E

(

, (, , ( ( (

9 9 9= = = = = =

4* >7:%5 )& '"4 '$$1;7 $

,==(=

( (

4

= = =

(

(

(

=, $=

Page 234: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,.

4#+$? ,==2 1=[ < ';"5(=2 @ "

=O=O

=O

=O=O

=O

,=O,=O

( =O

(=,

1=

(=,

1=

(=,

1=

, (

(,( (

,

$

9

$

9

$

9

= = = =Ω

= = = =Ω

= = = =Ω

45) ) ) "!=O45) ' )$

,4 $= =

4 )*#-E @ & ) "#+$! '"

Page 235: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,0

@','@'$1$;7M '/# @ > ) )# "# (=2 ))"4- @ $;7 $ (=2"* + )"#+ )$• 7 $

) "• 2$

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) ) @ "4* # )@ $• "• 8) @E0 "• ')"• >)"• % '"• >'

I& & I& $

,==(=

( (

4

= = =

J+ 6# "

• 0T@ ) ) >@ "

Page 236: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,-

+

+, +>

4#+$? ,==2 1=[1[ @ < ';"

=O=O

=O

=O=O

=O

,=O,=O

( =O

(=,

1=

(=

1

(=,

1=

"

, (

(,( (

,

,

$

9

$

9

$

9

, 4

= = = =Ω

= = = =Ω

= = = =Ω

=

=O =O ,=O

=O

, ,

., =/ . , NN/ . ( (H(/

. ( (H(/ ,

( $ $ $

6 $ 6 $ 6 $

6 $

+ + = + + == + + − + + − − == − + =

4 @ ) ) ),%=O @ "45) ) ) "8 3 =O

(

(

(

=, $≠

Page 237: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,

@','A'$1$;7M '4# )8) $ 1 1 = ) $ ,>-# " >@ ))+ (=2 "4# # 8) 68) '"

+

+, +>

4# 6$

(

(( (

( ( (

(

(

9 99 9 9 9

9

9 99 9 9 9

9

9 99 9 9 9

9

×= = + +

×= = + +

×= = + +

4? # 668)"

(

(

(

Page 238: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,,

4#+$? ,==2 1=[1[ @ < '; >"• ; # 8)68)"

=O =O =O =O =O

( =O

=O =O (( ( =O =O =O

=O

=O =O( ( ( =O =O =O

=O

1= 1=1= 1= ==

1

1= 11= 1 ==

1=

1 1=1 1= ==

1=

(

(

9 99 9 9 9

9

9 99 9 9 9

9

9 99 9 9 9

9

Ω× Ω×= = + + = Ω+ Ω+ = ΩΩ

Ω× Ω×= = + + = Ω+ Ω+ = ΩΩ

Ω× Ω×= = + + = Ω+ Ω+ = ΩΩ

?--=>j ,--T+, +>--T

--T +,>

=O=O

=O

=O=O

( =O

,=O,=O

( =O

,==

==

,==,

==

,==,

==

((

((

$

9

$

9

$

9

= = =Ω

= = =Ω

= = =Ω

(

(

(

Page 239: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,>

=O ,=O

,=HO

=O =O

(O

,=O =O

, . =/ . (,,/

., (,,/ 1

, . (,,/ . =/

. , (,,/ 1

, , . (

(

( ( (

(

$ $ 6 $ 6 $

6 $

$ $ 6 $ 6 $

6 $

$ $ 6

= − = − = + − − − =

= + =

= − = − = − + − + =

= − + =

= − = − = − −

N=O

,,/ . (,,/

.= H/ H

$ 6 $

6 $

− − + =

= − =

45) ) ) "8 3 =O4% > )"

+ @-T

+, +> @-T ,@T

4%E) )6>"

,=HO =O ,=HO

(O =O (O

( N=O =O N=O

1 1= ,11

1 1= ,11

H 1 N(

,

(, (

,

9 $

9 $

9 $

= × = × Ω =

= × = × Ω =

= × = × Ω =

45) >) "$1$ $$8,>- $11 '

(

(

(

Page 240: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,?

4*) ) '#)"

,=HO (O =O

(O N=O =O

N=O ,=HO ,=O

,11 ,11 ,==

,11 N( ,==

N( ,11 ,==

( , (,

( (, ,

, ,

= − = − =

= − = − =

= − = − =

45)0 @ )+ ) "4; @ & )"# "4#@ )"4; ) @ * 6"# *#-E2E67E5' )"48* ; .%32/@ .%/& "#@ &) """ "4# *E@6%*6E57@87-#*6E5 ' "

,

,

(,

(

(

Page 241: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,@

@'>'"&!I *! I&& I&'4% ) )) '>4@ "&&&• (! '$2-5A256A26-A,==2"8)

01I=2"• (! >4@ $2-@A25@A26@A(=2"8)

01I12"&&&46 # 6)#)$.5)8)/"• *& ') "5

"7-A75A76• *& ) '

@ ))"6)& @ @ ))"

Page 242: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,A

@'?'K &&*!K I&'4# '>"# ) &$• %5;-E6#**7E@#5$>) &"• 5#**7l@8#E5*E@8?*6E-#58#h@#%";'

0"4G #J?77F-%8E5 ' "45 )$• - $ +"""• - $9 "

1= 1= "%' "

4# ' ""4# "4; ' ; % ; % ; "4 ! 119W; % 2% ' "4% ; % 6 ; $

( = + +

4* ) "

(

(

(

= + + = ×= =

48 "") "

((

ϕ

ϕϕ

= × ×= × = × × ×= × ×

Page 243: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,B

4#$• ; $; 2 "• 2$6>2 "• 7$* >%"• *r$*r• r$k 27 )& "

4; '"4* K > $

(

(

(( ( (

( (

(

ϕ

ϕ ϕ ϕ ϕ

ϕ

= × × × = = = × × × = × × × = × × = × × ×

= × × ×4* > $

(

(

(( ( (

( (

(

ϕ

ϕ ϕ ϕ ϕ

ϕ

= × × × = = = × × × = × × × = × × = × × ×

= × × ×4;) ); '($

Page 244: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,,.

(

(

(

(

ϕ

ϕ

= × ×

= × × ×

= × × ×

45 >$• ; A; 2 .2%/• ; A; 2 .f/• ; A; 2 .2%/• 2$6'2 .2/• 7$* '%.%/• *r$*k 2 7"#

& '"# ' "

Page 245: Electrotecnia Apuntes y Problemas 08-09

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@/!)2,,0

#+$* 1*"2" ,==3(=2 ,==2*rA=H* "* *"2"; "*"2"AN(f 1 " " N(

(H=1*"2"A0f " "

#

×= =

T; "

( ϕ= × × ×

* +"

(H=,

( ( ,== =H

,

(

$

$

ϕ= = =× × × ×

= = =

*; % "

( ( ,== , ,== $ $= × × = × × =

*; - "

=H =H (HO (HO . /

. (HO / =

( ( ,== , = N=

$ %

( (

( $ $

ϕ ϕ ϕ

ϕ

ϕ

= → = = ± = −

= − =

= × × × = × × × =

Page 246: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>-

#+$?1= 01Hf*rA=1< ,==241="* ))1= "*) &"O*) ) 1=3(A1= "* ) ; 1= "OT; "

( ϕ= × × ×

* +"

1= 1H1=(

( ( ,== =1

1=(

(

$

$

ϕ× ×

= = =× × × ×

= = =

4* ) "(O#) $

H H 1=( =,

1 1 =, (

"

, 1 . /

"

1 . /

$ $

$ $

(

$

(

$ +

= × = × =≥ × = × =

= ×

= ×

@-=,> @-G1$ @-=,> @-G1$ @-=,> @-G1$ -

Page 247: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>

@'@'!3&cK'4*r ; $ $ $G 1 $1#)$$1 )2 '@'@'' $ $$1 )2 '41AG$ $ $2$1 1)2 $ ! &*& !&&&

7 1 ;7$ 7%4; ' $5 ' "5 ) " ,7)2 1$G1 1$%46)&*r "5 ' *r'r"

; ;*

; ( 2 7ϕ = =

× ×

;$; f 2$6 2 7$7 %>7 1:)2 $$7 1# ! C G8 $E

O7 7 %−ϕ=

?G$ 1# G 7'C E'

( ) )7 7 +7 %= −

@G12$;H:; G$C/87E $ $$1 1)2 ;7$ 7CQ87E'

Page 248: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>,

&&&&K '

$ $$1'# >@ $)$ $ ; #)$'

• 1$>M@ "• 17)"

4%) $

( ) )

* )

6 =O

7 7 +7 %

7 .= +7 /%

7 .7 +=/% 7 %

= −

= +

= + =

4**rA*=OA

A $ $%

*

) *

2 P . / * .>/ * *

7 P= = Ω ⇒ = = ⇒ ≤

ω

P$- [2$6 2" # $2>4@ " 7)$* %" # $7*A7)"

*$*>.>/W$2AXAX1=A==XA(,1

$ $1)2 '6 >>$• 1$'.>M>/"

• 1 )*

77

(=

A $ $%

*

) *

2 P . / * .>/ * *

7 P= = Ω ⇒ = = ⇒ ≤

ω

P$- [2$6 2" 6$2>4>

7)$* %" 6$ )*

77

(=

*$*>.>/W$2AXAX1=A==XA(,1

Page 249: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

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8G $ $$1%? =*"2"M,==23(=2 *rA=H"5 ,==2*#56-#%"

f *2

(HO ) *

*

2 ,==2( (

**

*=H (HO (HO . /

=*2 N(;7 (H%

( 2 * ( ,==2 =H

7 ( H % .= +N/% 7 +N% 7 +N%

* 7 N%

P7 N%

ϕ = = ± ⇒ ϕ = −

×= = =× × ϕ × ×

= = − ⇒ = − ⇒ = +

=

= = =

,

(=2 HH * = = > = >

N% 1= HH

* = >"

#== > ) + "

−= Ω ⇒ = = × ≡ µπ Ω

≤ µ

µ 4) "5 "4* ))$

* (HO

*

* 6 (1O

P (H( 7 (H % .= +N/%

1= == = >

7 +N %

(=27 ,,1 % 7 .= +=N(,/ % =, %

(H(

* * . (1O / =N . /

−−

= = Ω = = −π ×= +

= = = − =Ω

ϕ = − =

Page 250: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>?

L+N%

L+N%

L+N%

−= = = >A=.A>=,.

−= = = >=0@-=A? ×> -- µµµµ

Page 251: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>@

8G $ $1)2 %? =*"2"M,==23(=2 *rA=H"5 ,==2*6-7k@ ?E"

f *2

(HO ) *

*

*

*

*=H (HO (HO . /

=*2 N(;7 (H%

( 2 * ( ,==2 =H

+N%7 (H % .= +N/% 7 +N% 7 +,%

(

* 7 ,%

2 ,==2P

7 ,

ϕ = = ± ⇒ ϕ = −

×= = =× × ϕ × ×

+= = − ⇒ = − ⇒ = = +

=

= =

1

,==2 HN=( * (1 = > (1N >

% ,% 1= HN=(

* (1N >"

#( > ) + "

5 ) '

−= = Ω ⇒ = = × ≡ µπ Ω

≤ µ

µ ( ((( > "× µ

4) "5 "4* ))$

(HO

* )

* *

6

)6

6 (HNO

7 (H % .= +N/%

+NP 11H 7 + , %

1= ((( = > (

,==27 ,H % 7 +,H %

11H

7 + =,1 %

7 =,1% ( + =N%

7 .= +=N/ % =, %

* * . (HNO / =N .

= = −

−= = Ω = = −π × ×= = = +Ω

= −

= × = −

= − =ϕ = − =

/

Page 252: Electrotecnia Apuntes y Problemas 08-09

&''' !" -./-0

@/!)2,>A

4*) *6# "; KJ) '7 $$ $"

;A G ; ; ( 2 7 5 ( ,==2 N% 5=O 11, 2%= = × × × ϕ = × × × =

G)6'* '"# "

L+N,%

L+N,%

L+N,%

7*AL+,H

7*AL+,H

7*AL+,H

−= = = >A=.A>=,.

−= = = >=.B-=A?

×> >>=> !"#µµµµ

Page 253: Electrotecnia Apuntes y Problemas 08-09

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