IEEE Power & Energy Magazine - Spanish - March/April 2020 - 40

Para el diseño de una línea de transmisión nueva, al optimizar
los parámetros EM se puede lograr una mejor distribución del
campo y una SIL mayor, lo que genera una mayor capacidad de
transmisión.
conductores por fase, que no tienen por qué ser necesariamente del mismo tipo que el conductor original. Este último
enfoque ofrece todas las ventajas del diseño de las HSIL al
aumentar la capacidad de transmisión, incluidos los límites
térmicos. Por otra parte, el ajuste de los parámetros de la
línea en el mismo corredor de transmisión puede mejorar
los niveles de tensión en los nodos estratégicos, eliminar las
limitaciones económicas de suministro relacionadas con la
SSR, reducir las caídas de tensión y mejorar el rendimiento
de la estabilidad.

Experiencia de campo
CHESF fue una de las primeras en adoptar la tecnología de
HSIL. La empresa brasileña se centró en la técnica de EXB

(a)

y la adoptó en las líneas de transmisión nuevas y mejoradas, lo que resultó importante para cumplir las necesidades
de la empresa de servicios públicos. La primera aplicación
comercial de la técnica de EXB se empleó en la ciudad de
Fortaleza en 1995. En ese momento, la ciudad estaba dotada
de tres líneas de 230 kV desde la central hidroeléctrica de
Paulo Afonso, ubicada a 660 km de distancia. El aumento
de la demanda en Fortaleza exigió una mejora de la generación y una línea nueva de 500 kV desde la región norte de la
red brasileña, llamada interconexión Norte-Noreste (N-NE).
Esta línea planificada habría completado un circuito de
500 kV para mejorar la confiabilidad del sistema local.
Los retrasos frecuentes en la construcción del circuito
N-NE, junto con la creciente demanda, llevaron a una

(b)

gráfico 4. Una línea con HSIL y EXB de 500 kV en el noreste de Brasil. (a) y (b) Diferentes ángulos de la misma línea.
(Fuente: CHESF; utilizado con permiso).
40	

ieee power & energy magazine 	

marzo/abril 2020



IEEE Power & Energy Magazine - Spanish - March/April 2020

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - Spanish - March/April 2020

Contents
IEEE Power & Energy Magazine - Spanish - March/April 2020 - Cover1
IEEE Power & Energy Magazine - Spanish - March/April 2020 - Cover2
IEEE Power & Energy Magazine - Spanish - March/April 2020 - Contents
IEEE Power & Energy Magazine - Spanish - March/April 2020 - 2
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IEEE Power & Energy Magazine - Spanish - March/April 2020 - 4
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IEEE Power & Energy Magazine - Spanish - March/April 2020 - Cover3
IEEE Power & Energy Magazine - Spanish - March/April 2020 - Cover4
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