Power & Energy Magazine - Spanish - May/June 2019 - 27

las funciones que mejoran la estabilidad. La posibilidad de
convertir líneas de transmisión de CA en líneas de CC se
ha estudiado durante los últimos 30 años, incluidos varios
estudios detallados de viabilidad y de casos publicados en
los últimos años. Este artículo proporciona una visión general de la planificación y las consecuencias técnicas de una
conversión de CA a CC, así como una metodología de clasificación propuesta para seleccionar las líneas elegibles para
dicha conversión.

¿Cuándo se debe considerar la
conversión de CA a CC?
Dado que el proceso de conversión implica el trabajo en una
línea de transmisión de CA existente en funcionamiento, se
debe centrar en soluciones que no impliquen interrupciones
prolongadas de la línea. Esto es especialmente importante
porque el proceso de conversión está generalmente
relacionado con la necesidad de aumentar la capacidad de transmisión. Como
tal, se espera que la mayoría
de las líneas de transmisión
de CA consideradas para la
conversión sean probablemente esenciales y formen
parte de una ruta de red
con una alta demanda tanto
en condiciones normales
como de contingencia.
En la medida de lo
posible, el proceso de conversión debe ser rentable
y limitar la cantidad de
interrupciones. Para lograr
esto, los siguientes criterios
clave deben considerarse
cuidadosamente:
✔ Mantener las estructuras de torre existentes:
Se pueden estudiar
diferentes configuraciones de polos de CC
para aprovechar las
estructuras de torre
existentes con modificaciones menores o sin
modificaciones. Los
cambios en las cargas
estructurales y en los
márgenes de diseño
existentes deben evaluarse como parte del
proceso de evaluación
de las opciones.
©ISTOCKPHOTO.COM/METAMORWORKS

de paso para la nueva infraestructura de transmisión de energía es extremadamente difícil de asegurar y permitir, lo que
resulta en un plazo entre la identificación de un proyecto
y su explotación comercial de más de cinco años, con un
alto grado de incertidumbre. Por ende, es necesario encontrar alternativas para superar este obstáculo y construir los
refuerzos de transmisión necesarios dentro de un período de
tiempo más rápido. La conversión de CA a CC se convierte
en una variante atractiva para planificar la futura red, junto
con la reconducción de líneas.
La conversión de CA a CC permite un uso más eficiente
de los activos y servidumbre de paso existentes y, mediante
procedimientos de trabajo adecuados, se puede realizar
con interrupciones relativamente cortas. Además, existen
beneficios adicionales proporcionados por las estaciones
convertidoras de CC, como el control de flujo de energía y

mayo/junio 2019

ieee power & energy magazine

27


http://www.ISTOCKPHOTO.COM/METAMORWORKS

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
Power & Energy Magazine - Spanish - May/June 2019 - 3
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Power & Energy Magazine - Spanish - May/June 2019 - Cover3
Power & Energy Magazine - Spanish - May/June 2019 - Cover4
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