IEEE Power & Energy Magazine - Spanish - May/June 2021 - 36

Energía FV
encendida
103
Energía FV
apagada
En el enfoque fuera de línea de
102
101
X: 932.1
Y: 2.231
100
Relé CB4 (51P)
CTR = 800/5
CEI C2 (VI)
A = 13.5, B = 1, C = 0
Ipu = 2.06 A, TD = 0.1
10-1
X: 2,210
Y: 0.5536
10-2
103
Corriente de falla (A)
(a)
103
104
un esquema de protección adaptativa
centralizado, los cálculos de
cortocircuito para todas las posibles
condiciones de operación de
la microrred se realizan antes de
la implementación del sistema de
protección adaptativa. Basándose
en la solución de un problema de
optimización, se determina fuera
de línea un conjunto adecuado de
grupos de ajuste para los dispositivos
de protección para cada estado
operativo. Durante la operación en
línea, el controlador central recibe
las señales requeridas, por ejemplo,
estados de los interruptores
automáticos, para identificar la
configuración actual de la microrred
y, si es necesario, cambiar el
grupo de ajuste activo de los relés
a través de un canal de comunicación
de ancho de banda bajo como
se presenta en la figura 8(a).
La principal ventaja de la pro102
101
tección
adaptativa centralizada
es que toda la información está
disponible para el controlador
central, que puede seleccionar
de manera óptima los grupos de
configuración adecuados de los
relés. Su principal inconveniente
es su menor confiabilidad porque
el controlador central es un
solo punto de falla. Por lo tanto,
cualquier mal
funcionamiento
100
Relé CB12 (51P)
CTR = 800/1
CEI C1 (SI)
A = 0.14, B = 0.02, C = 0
Ipu = 0.45 A, TD = 0.15
10-1
Relé CB4 (51P)
CTR = 800/5
CEI C2 (VI)
A = 13.5, B = 1, C = 0
Ipu = 2.06 A, TD = 0.1
10-2
102
103
Corriente de falla (A)
(b)
figura 10. (a) Disparo no deseado y (b) casos de protección por revestimiento realizados
en HIL. CTR: relación del transformador de corriente; Ipu: corriente de activación;
TD: dial de tiempo.
36
ieee power & energy magazine
104
X: 1,510
Y: 0.377
X: 3,950
Y: 0.4279
del controlador central afecta el
funcionamiento del esquema de
protección adaptativa. Otra desventaja
es el requerimiento de
una red de área amplia compleja
para la comunicación del controlador
central con cada dispositivo
de la microrred.
También se han propuesto
enfoques distribuidos para el
funcionamiento en línea de la
protección adaptativa. Los controladores
locales instalados en
diferentes ubicaciones de microrredes
actualizan la configuración
de sus respectivos relés
en función de la información
que reciben de los dispositivos
locales y su interacción con los
mayo/junio 2021
Tiempo (s) de disparo
Tiempo (s) de disparo

IEEE Power & Energy Magazine - Spanish - May/June 2021

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - Spanish - May/June 2021

Contents
IEEE Power & Energy Magazine - Spanish - May/June 2021 - Cover1
IEEE Power & Energy Magazine - Spanish - May/June 2021 - Cover2
IEEE Power & Energy Magazine - Spanish - May/June 2021 - Contents
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IEEE Power & Energy Magazine - Spanish - May/June 2021 - Cover3
IEEE Power & Energy Magazine - Spanish - May/June 2021 - Cover4
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