Power & Energy Magazine - Spanish - May/June 2019 - 30

polaridades. En transferencias de energía moderadas, un polo
transporta la corriente positiva mientras que los otros dos
comparten la corriente negativa. A medida que aumentan los
niveles de energía, el polo bidireccional alternará entre compartir la corriente con el polo 1 o el polo 2, según las necesidades del sistema. Esta disposición garantiza que la capacidad
térmica de los tres polos se utilice completamente. Además,
esta disposición no requiere de ningún reordenamiento de
conductores y/o de ninguna ruta de retorno adicional.

reconfiguración de los conductores debe evaluarse según el
tipo de torre y sus características de diseño porque, en algunos
casos, puede no ser posible. Esta reorganización de conductores también aumenta la duración de la interrupción que se
requiere para la conversión de la línea de CA a CC. Los cambios en la estructura de la torre, el costo de los conductores adicionales y el costo efectivo según la duración de la interrupción
pueden impedir que esta solución sea económicamente viable.
Línea de CA de circuito único a HVdc tripolo

Otra variante que vale la pena considerar es la configuración
tripolo, que consiste en un bipolo y un monopolo, como se
muestra en el gráfico 5. El monopolo requeriría convertidores
antiparalelos de doble puente, capaz de funcionar en ambas

Conversión de una línea de CA de doble circuito en un
HVdc bipolo

También existen diferentes opciones disponibles para convertir una línea de CA de doble circuito en una línea de CC.

Fase CA a

Fase CA a

Fase CA b

Fase CA b

Fase CA c

Fase CA c

Fase CA a

CC + Polo

Fase CA b

Retorno de
emergencia

Fase CA c

CC - Polo

Fase CA a
o

CC + Polo

Fase CA b
Fase CA c

CC - Polo

gráfico 6. La conversión de una línea de CA de doble circuito en una línea de CA-CC híbrida.

Fase CA a

Fase CA a

CC - Polo

Fase CA b

Fase CA b

Retorno de
emergencia

Fase CA c

Fase CA c

CC + Polo

CC - Polo
Retorno de
emergencia
CC + Polo

gráfico 7. La conversión de una línea de CA de doble circuito en dos HVdc bipolos independientes.

Fase CA a

Fase CA a

CC + Polo

CC - Polo

Fase CA b

Fase CA b

CC + Polo

CC - Polo

Fase CA c

Fase CA c

CC + Polo

CC - Polo

gráfico 8. La conversión de una línea de CA de doble circuito en un HVdc bipolo completo.
30

ieee power & energy magazine

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
Power & Energy Magazine - Spanish - May/June 2019 - 2
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Power & Energy Magazine - Spanish - May/June 2019 - Cover3
Power & Energy Magazine - Spanish - May/June 2019 - Cover4
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