1.05 - análisis de oscilografía (38)

7/25/2019 1.05 - Anlisis de Oscilografa (38)

1/38


2/38

2

)cos()( += tYty m


3/38

Eje Real

Eje Imaginario

Yr

a

b

3

jbaY +=

r

)Im(

)Re(

Yb

Yar

r

=

=


4/38

4

( ) tjeYty r

Re2=

jjm Yee

YY == 2

r


5/38

5

)(:2

sincos

tydermsValorY

YDonde

jYYY

YYeY

m

j

=

+=

==

r

r


6/38

( )

+=

== ++

:Tan toloPorA"fasordelAngulo"Significa

/ )(

A

A

AAeA j

r

r

r

6


7/38

Eje Real

Eje Imaginario

=YYr

sinY

cosY7


8/38

8

2*

)(/*

)(/

:cinMultiplica

/

/

:Dado

AAA

ABBA

ABBA

BB

AA

=

=

+=

=

=

rr

rr

rr

r

r


9/38

n

j

nn

jnnnjn

j

eA

eAAeA

BAe

BA

BA

=

==

==

A

)()(:cinExponencia

)(/:Divisin)(

9


10/38

V

I

I

V Z

( )

ciaInducX

sistenciaR

jZZjXRZ

ZI

V

I

V

I

VZ IV

I

V

tan

Re

sincos

/

=

=

+=+=

==

==

r

r

r

Impedancia

10


11/38

I

+ V -

R

Resistencia Inductancia Capacitancia

I

+ V -

LI

+ V -

C

V

I

I

V

I

V

= 0 = 90 = - 90

11


12/38


13/38

13


14/38

R

X

r

-r

r-r

Area

rZ ||r

22|| XRZZ

jXRZ

+==

+=r

r

14

R

X

Z


15/38

Carga

salienteCargaEntrante

MximaCarga

X

R

15


16/38

=

=

IVIVP ** ReRe

=

=

IVIVQ**

ImIm

jQPIVS +==

*rrr

I

V

Z

16


17/38

17

Comportamiento de la corriente decortocircuito de un Generador Sncrono:


18/38

18

X''d

X'dXd

Xd(t)

Comportamiento de la corriente decortocircuito de un Generador Sncrono:


19/38

0.49990.37990.26000.14000.0200-0.1000 [s]

40.00

20.00

0.00

-20.00

-40.00

GS1: Phase Current A in kA

GS1: Phase Current B in kA

GS1: Phase Current C in kA

0.021 s39.709 kA

0.029 s1.241 kA

0.483 s-9.609 kA

0.475 s14.543 kA

DIgSILENT

Falla trifsica en bornes

de generador:

N

R

Generador Transformador Lnea

R

19


20/38

Falla trifsica: N

R

Generador TransformadorLnea

R

Line1:m:I:bus1:A A Line1:m:I:bus1:B B Line1:m:I:bus1:C C

t/s-0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08

I/kA

-1.0

0.0

1.0

Line1:m:u:bus1:B B Line1:m:u:bus1:A A Line1:m:u:bus1:C C

t/s-0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08

p.u.

-1.0

-0.5

0.0

0.5

20


21/38

Ia

Ib

Ic

Va

Vb

Vc

Fasores previa a la falla Fasores durante la falla

Ib

Ic

Ia

Va

VbVc

Falla trifsica:

21


22/38

Falla monofsica a tierra:


t/s-0.025 -0.000 0.025 0.050 0.075 0.100 0.125 0.150

I/kA

-1.0

-0.5

0.0

0.5

i i i

t/s-0.025 -0.000 0.025 0.050 0.075 0.100 0.125 0.150

p.u.

-1.0

0.0

1.0

N

R


R

22


23/38

Ia

Ib

Ic

Va

Vb

Vc

Fasores previa a la falla Fasores durante la falla

Ib

IcIa

Va

VbVc

Falla monofsica a tierra:

23


24/38

Falla bifsica aislada:


t/s-0.03 -0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

I/kA

-1.0

0.0

1.0


t/s-0.03 -0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

p.u.

-1.0

0.0

1.0

N

R


R

24


25/38

Falla bifsica a tierra: N

R


R


t/s-0.03 -0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11

I/kA

-1.0

0.0

1.0

IE*

t/s-0.03 -0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11

IE*/kA

-1.0

-0.5

0.0

0.5


t/s-0.03 -0.02 -0.01 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11

p.u.

-1.0

-0.5

0.0

0.5

1.0

25


26/38

Una fase abierta: N

R


R


t/s0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24

I/A

-300

-200

-100

0

100

200

300


t/s0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24

p.u.

-1.0

0.0

1.0

26


27/38

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

iL1/ A

-1.0

0.0

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

iL2/ A

-1.0

0.0

1.0

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

iL3/ A

-5.0

-2.5

0.0

2.5

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

iE/ A

-3

-2

-1

0

1

2

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

uL1/ V

-50

0

50

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

uL2/ V

-50

0

50

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

uL3/ V

-50

0

50

t/s-0.4 -0.2 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

YN2/ V

-50

0

50

Recierre monofsico en la L-1005 ocurrido el 21.04.2014, registro S.E.Tintaya.

27


28/38

K3:L-1105 IR A K3:L-1105 IS B K3:L-1105 IT C

-0.25 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75

I/kA

-1.0

0.0

1.0

K3:L-1105 IN N

-0.25 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75

K3:L-1105 IN N/kA

-1.0

0.0

1.0

K3:L-1105 UR A K3:L-1105 US B K3:L-1105 UT C

-0.25 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75

U/kV

-100

0

100

Rotura de conductor de la fase S entre el vano de las torres T184 yT185 de la lnea L-1105 (Chimbote 1 Huallanca) de 138 kV, ocurrida el21.04.2014 a las 21:58:05 h.

Registro S.E. Huallanca

28


29/38

Trigger12/02/2014

12:37:07 a.m..000

Ia Ib Ic

t/s0.10 0.20 0.30 0.40 0.50

I/A

-2

0

2

In

t/s0.10 0.20 0.30 0.40 0.50

In/A

-10

0

Va Vb Vc

t/s0.10 0.20 0.30 0.40 0.50

U/V

-100

-50

0

50

t/s0.10 0.20 0.30 0.40 0.50

51N_P

Trigger12/02/2014

12:37:08 a.m..000

Ia Ib Ic

0.10 0.20

I/A

-30

-20

-10

0

10

20

In

0.10 0.20

In/A

-200

-100

0

100

Va Vb Vc

0.10 0.20

U/V

-100

0

0.10 0.20

51N1_P51P_BP51P_CP

51N_P

Registro S.E. Chimbote 1

Rotura de conductor de la fase S entre el vano de las torres T184 yT185 de la lnea L-1105 (Chimbote 1 Huallanca) de 138 kV, ocurrida el21.04.2014 a las 21:58:05 h.

29


30/38

30

IG= 0

IT IS IR

IR

IS

IT

VR

VS

VT

Fasores previa a una falla monofsica

Sistema con neutro aislado:


31/38

31

IR

IS

IT

VR

VS

VT

Fasores previa a una falla monofsica

IG

IS

IT

VR

VS

VT

IT IS

IG

Fasores con una falla monofsica en la fase R

IG

Falla en un sistema con neutro aislado:


32/38

32

R S T Rel 1

Alimentador 1

Alimentador 2Rel 2


RED


33/38


3V0

3I03I0

Falla hacia atrzFalla hacia delante


34/38

|V1|aaaa1 |V2|aaaa2

P1(t) P2(t)

P12(t) P21(t)L

1 2

34


35/38

)cos(2

)cos(2

=

=

tIi

tVv

Z


36/38

( ) += tVIVIp 2coscos

)cos(1

0

Pr VIpdt

T

PT

omedio

==

V

P = Vi

i

P

36


37/38

I

+ V -

Resistencia

R

= 0

I

+ V -

L

Inductancia

= 90

I

+ V -

C

Capacitancia

= -90

This image cannot currently be displayed. This image cannot currently be displayed.

Promedio = VI= I 2R Promedio = 0 Promedio = 0

37

)cos(2

)cos(2

=

=

tIi

tVv


38/38

1.05 - análisis de oscilografía (38)

Documents