IEEE Power & Energy Magazine - Spanish - May/June 2021 - 84

(a)
(d)
(c)
(b)
(e)
figura 3. El equipo del CEP hidroeléctrico de North Bay. (a) cogeneradores, (b) flor solar FV, (c) el cartel de bienvenida
del CEP, (d) los transformadores de potencia principales y (e) el sistema de almacenamiento de energía por baterías.
600
500
400
300
200
100
-100
12:45 12:55 13:05 13:15 13:25 13:35
Hora del día
13:45 13:55 14:05 14:15
figura 4. Un gráfico que muestra la respuesta del sistema a una disminución repentina
de la carga.
este caso, los inversores FV, se desconecten. Por lo tanto, la
falla debe ser interrumpida de inmediato por la protección
de microrred local en CB9 para limitar la aceleración de los
generadores, permitiendo una recuperación estable mientras
continúa sirviendo los circuitos de carga de microrred sin
fallas sin interrupción.
El funcionamiento rápido de la protección de microrredes
también es fundamental en respuesta a fallas mientras
se conecta a la red. Por ejemplo, si ocurrió una falla franca
84
ieee power & energy magazine
Carga total
Suma de la producción
del generador y la batería
Importación de potencia neta
Exportación de potencia debido a
una disminución repentina de la carga
cerrada en uno de los tres circuitos
del circuito de carga de la
microrred (es decir, descendente
de CB7, CB8 o CB9) mientras la
red está conectada con los cogeneradores
en funcionamiento, el
relé de protección de la microrred
local y el interruptor deben liberar
esta falla rápidamente para que la
frecuencia y el ángulo de fase de
los cogeneradores no cambien significativamente
de las condiciones
previas a la falla, lo que resultaría
en daños al generador.
También se prefiere una operación
de protección de microrred
rápida y basada en comunicación
para coordinar la protección
mientras dure la conexión a la red.
El dispositivo de conmutación de
600 V de la microrred introdujo varios dispositivos de protección
conectados en serie (por ejemplo, CB1, CB2, CB7,
CB8 y CB9) entre los interruptores de carga existentes en
las instalaciones de la comunidad y los fusibles de protección
del transformador ascendente. Aunque la protección
contra sobrecorriente existente se coordinó selectivamente
usando clasificación de tiempo, hubo un intervalo de tiempo
insuficiente para coordinar estos nuevos dispositivos de
protección con el sistema de distribución de la empresa de
mayo/junio 2021
(kW)

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
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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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