Power & Energy Magazine - Spanish - May/June 2019 - 34

235 MW
103
Carga 2
229.1 kV

102
Carga 1

101
Enviar

← 150.2 MW
← 65.5 MW
← 548.5 MW

1,002

570 MW
230 kV

← 150.2 MW
1,001

134.4 kV

819 MW

138 kV
230 kV

138 kV

gráfico 13. Sistema de muestra 3 con solución multiterminal.

Barra 17

30 Barra 18
31
28

Barra 23

24
25

23

26

36

35
Barra 20

Barra 19

Barra 15

Barra 22

34

29

Barra 16
230 kV

Barra 21
38

33

32

37
22

Barra 14

21

Barra 13

18
27

20

19
Barra 24

7

14

16

15

8 Barra 5
2

Barra 4

3

17

Cable
1
Barra 1

13

9
4

Barra 6

Barra 10
Cable
10

Barra 9

Barra 3 6

138 kV

Barra 12

Barra 11

5

Barra 8

12
11

Barra 2

Barra 7

Líneas elegibles para la conversión de CA a CC

gráfico 14. Las líneas elegibles para la conversión de CA a CC en el sistema de
prueba de confiabilidad de 24 barras del IEEE.
34

ieee power & energy magazine

de transferencia de energía de un
corredor, una puerta de flujo eléctrico o una ruta determinados. La
capacidad de transmisión también
debe evaluarse en condiciones de
interrupción.
Al considerar los criterios
N-1, el aumento de la transmisión
de energía para una ruta determinada también depende de las
rutas paralelas. Esto se ilustra en
el gráfico  9, que muestra que las
transmisiones de energía previas
a contingencias de una barra de
generación a barras de carga se
limitarían a un máximo de 880
MW para evitar la sobrecarga inaceptable de un circuito cercano en
una interrupción determinada. El
gráfico muestra cómo el respeto
de esta limitación hace que la
capacidad de las líneas de CA se
desaproveche.
Una solución genérica de planificación de sistemas sería agregar otra línea de CA de la barra
101 a la barra 103, lo que podría
resultar costoso al requerir la
adquisición adicional de terrenos y permisos. Sin embargo, el
aumento de la capacidad podría,
en cambio, lograrse reequilibrando el flujo de energía en las
líneas existentes. Si, por ejemplo,
la línea de la barra 102 a la 103 se
convierte en CC, esto permitiría
que el operador configure el flujo
de energía, lo que resultaría en un
aumento del 70 % en el límite de
funcionamiento del sistema (hasta
1,500 MW) sin la necesidad de
aumentar la capacidad térmica
de la línea de transmisión de CA.
Esto se ilustra en el gráfico 10.
La tabla 4 cuantifica el aumento
en el límite de funcionamiento del
sistema (SOL) obtenido para la
conversión de CA a CC en diferentes distribuciones de carga. Se
puede lograr un aumento significativo de SOL sin la necesidad de
aumentar la capacidad térmica de
la línea de transmisión de CA.
El ejemplo anterior demuestra que la conversión de CA a CC
mayo/junio 2019



Power & Energy Magazine - Spanish - May/June 2019

Table of Contents for the Digital Edition of Power & Energy Magazine - Spanish - May/June 2019

Contents
Power & Energy Magazine - Spanish - May/June 2019 - Cover1
Power & Energy Magazine - Spanish - May/June 2019 - Cover2
Power & Energy Magazine - Spanish - May/June 2019 - Contents
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Power & Energy Magazine - Spanish - May/June 2019 - Cover3
Power & Energy Magazine - Spanish - May/June 2019 - Cover4
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