clase 6, transformadores

8/15/2019 Clase 6, Transformadores

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Pablo Medina Cofré

25-10-2011

EL4103 – SISTEMAS DE ENE!"AEL4103 – SISTEMAS DE ENE!"AE$%IP&S EL'CTIC&SE$%IP&S EL'CTIC&S


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Tran(for)adore(

• E*+i,o( ,re(ene( en odo( lo(ni.ele( de +n SEP/

– En enrale( a+)enan laen(in ,ara ran()iir la,oenia enerada a rande(di(ania( )ini)iando la(,érdida(/

– +no a lo( do)iilio(red+iendo la en(in 6a(a +nni.el 7(e+ro8 9 :il/

• A,liaione( e(,eiale(;– e+lain de en(in e inl+(o

7( (e lo( en+enra

o)o;– ?ano de a+oran(for)adore(/– Tran(for)adore( i,o 7(6ell8/– Tran(for)adore( i,o 7ore8/– Tran(for)adore( de re(

enrollado(/


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Tran(for)adore(; i,o(

• N:leo o 7ore8

@+ene; A??

http://www05.abb.com/global/scot/scot252.nsf/veritydisplay/4481cda8ee9a0831852573b40051bb17/$File/1LAB000073_LMPT_2007May_light.pdfhttp://www05.abb.com/global/scot/scot252.nsf/veritydisplay/4481cda8ee9a0831852573b40051bb17/$File/1LAB000073_LMPT_2007May_light.pdf


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Tran(for)adore(; i,o

• Aoraado o 7(6ell8

@+ene; A??

http://www05.abb.com/global/scot/scot252.nsf/veritydisplay/271cc80d8a81e40f852572ab005c9fa5/$File/1LAB000087_ShellFormTrafo_Spanish.pdfhttp://www05.abb.com/global/scot/scot252.nsf/veritydisplay/271cc80d8a81e40f852572ab005c9fa5/$File/1LAB000087_ShellFormTrafo_Spanish.pdf


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Tran(for)adore(; ir+io e*+i.alene

• El ir+io e*+i.alene da+ena de;

– Pérdida( o+le enenrollado(/

– @l+=o )anéio noenlaado ,or el erro/

– Corriene de )aneiainB del 6ierro nio/

– Pérdida( ,or orriene(ind+ida( en el erro/

• El ir+io no da +ena dela ei(enia de ar)nia(/

–

Debido a la relain nolineal enre ? 9 F laorriene de )aneiainno ,+ede (er (in+(oidal (i(e *+iere +n


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Tran(for)adore(;

En(a9o(/• Lo( ,arH)ero( del

)odelo e*+i.alenedeben (er e(i)ado( a,arir de en(a9o(/

– En(a9o de oroir+io;deer)inain de la7ra)a (erie8/

– En(a9o de ir+ioabiero; deer)inainde la 7ra)a (6+n8/e(H orreo (e:n la

+raJ– %(o de 7Ka)ero8

,ara deer)inain dere(i(enia(/

I2

0

I20

0 0


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Tran(for)adore(

rifH(io(• En e(e a(o el i,o de onein e( irrele.ane ,ara la

deer)inain de la re,re(enain del e*+i,o debido a lafor)a en *+e (e realian lo( en(a9o(/ SerH rele.ane (lo ,arael e)a de lo( de(fa(e( 9 oroir+io( de(balaneado(/

A

AA

I1no)

I 2 n o ) I 2 n o ) I 2 n o )

I1no)

I1no)

Oe*I1no)

I2no)

En SEP;•ola=e enre fa(e(

•Corriene de lGnea


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Tran(for)adore(

• e,re(enain en )odelo ,i;– Si (e a(+)e *+e # 0 e( ,e*+ea la re,re(enain

A?CD del ran(for)ador e(;• AN• ?NO2QO1RN• C0• D1RN

– Ade)H( reordar *+e OO1QN2O2/ L+eo ?ORN/– Se ,+ede de)o(rar *+e el ir+io ,i e(;

# aB1-NRO

# b

ORN

# bBN2-NRO

# a

&=o; O2 de,ende de la ,o(iindel a, Bdel .alor *+e ena N


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Tran(for)adore(

• e,re(enain en ,/+/– De la ,ri)era la de la( e+aione( de la )ari A?CD/

1 2 2

nom fn fn

Z V NV I

N

= + 1 2 2

1 1 1

fn fn nom

b b b

V V Z I N

V V N V

= +

1

2

bb

nom

V V

N =

[ ]

[ ]2

1

. .

2

3

3

2

1 2 2

1 2

1

1

1 2 2

. .

1 2

1 1

3

1

3

1

13 3

3

p u

b

nom fn fn nom

b nom b

N

fn fn nom

p u

b

b

b

b

bnom

b

b

Z

b

b b

b

V V

V V Z I N

V N V N

V V Z I N

V

N V

S

S

S

V

S V

V N

N

φ

φ

φ

φ

= + × × ÷

÷ ÷

÷ ÷

= + ×

÷

14 2 43 1 4 2 43

1 2 3

1 2 3

[ ] [ ] [ ]

[ ]

[ ][ ]

. .

1 . . . . 2 . . 2 . .

. .

nom p u

p u p u p u p u

p u

Z V N V I

N

= +

eferido al ,ri)ario 9 en ,o(iin no)inal2

1 2

1 2 2 2

2 2

2

1

1 2

2

2

1 2

,nomnom

nom

nomnom

nom

nom nom nom

N N Z Z Z Z Z

N N

N Z Z N

Z N Z Z

= + = × ÷

= + ÷

= + =


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Tran(for)adore(

7?oo(er(8• El ,ri)er ran(for)ador (+)a +na 7)+e(ra8 del

.ola=e del ,ri)ario/ L+eo la (+)a .eorial e(Hen fa(e on el .ola=e ,ri)ario/

– Se +ilia ,ara onrol de en(in/

• El (e+ndo ran(for)ador (+)a +na 7)+e(ra8de +n .ola=e del ,ri)ario ,ero de(fa(ado en 0U/Si la 7)+e(ra8 e( ,e*+ea la )ani+d,rHia)ene no a)bia 9 (lo (e inrod+e +n

de(fa(e/– Se +ilia ,ara el onrol de ,oenia ai.a/– La relain de .+ela( e( o),le=a/

clase 6, transformadores

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