IEEE Power & Energy Magazine - Spanish - September/October 2021 - 86

Se garantiza la resiliencia del sistema de diferentes maneras, con
el objetivo de que se gestionen los riesgos para la mayoría de los
eventos distintivos increíbles posibles, y que solo los eventos más
graves puedan representar un riesgo de sistema negro.
restricciones de interconexión no pudieron evitar un apagón
del sistema), aumentando significativamente la resiliencia
general y mejorando los resultados para el cliente.
Además de estos conceptos, un enfoque de portafolio
para la resiliencia debe tener en cuenta que las soluciones
de resiliencia pueden ser tanto específicas como generales.
Las medidas específicas pueden incluir activos físicos específicos
(p. ej., un esquema de protección especial) diseñados
para gestionar riesgos específicos (p. ej., la pérdida increíble
de una línea de transmisión de doble circuito), mientras que
las generales pueden incluir cambios aplicados de manera
sistémica (p. ej., exigir más capacidades técnicas integrales
para todos los generadores) diseñados para proporcionar
una mejora general en la resiliencia del sistema a riesgos no
específicos.
Varios estudios técnicos sugieren que adoptar una combinación
de soluciones específicas y generales puede proporcionar
un resultado de resiliencia óptimo basado en la
gestión de las incógnitas " conocidas " y las incógnitas " desconocidas " .
El proceso de " eventos protegidos " existente en
Eventos creíbles
Reclasificación
Eventos
discretos
Seguro ante
contingencia única
creíble
Eventos protegidos
Riesgos latentes discretos
Riesgos latentes no distintivos
Eventos
no tradicionales
no distintivos
Seguro ante contingencia
no distintiva de
bajo impacto
Eventos de alto
Funcionamiento protegido
Condiciones anormales que
causan riesgos no distintivos
Estado operativo seguro
Resiliencia esperada para
evitar un apagón
impacto y baja probabilidad
con múltiples interrupciones
distintivas y eventos
no distintivos
Riesgo material de un
apagón
figura 4. Estrategias operativas del sistema eléctrico para gestionar eventos creíbles e increíbles, incluyendo los eventos
de HILP y diferentes tipos de eventos no distintivos (cortesía de la AEMC).
86
ieee power & energy magazine
septiembre/octubre 2021
Contingencia discreta increíble
reclasificada como creíble durante
condiciones anormales
Eventos de alto
impacto y baja probabilidad
con múltiples interrupciones
el NEM es un buen ejemplo de un marco normativo existente
que refleja estos principios generales. Introducido en
2017, este proceso permite al AEMO identificar contingencias
específicas increíbles para gestionar y luego proponer
soluciones mixtas al menor costo total. Algunos ejemplos
de soluciones mixtas incluyen acciones operativas (p. ej.,
restringir la transferencia de energía entre regiones durante
condiciones anormales) junto con acciones de inversión
(p. ej., adquirir servicios adicionales de respuesta rápida y
potencia activa desde una batería y actualizar los esquemas
de UFLS).
Por último, las soluciones de resiliencia también pueden
proporcionar soporte al sistema para eventos creíbles, que
deben ser tenidos en cuenta para el análisis de costo-beneficio
pertinente. Uno de los desafíos, por lo tanto, es adoptar
un marco consistente para las soluciones de seguridad y resiliencia.
En este sentido, se necesita un trabajo significativo
para realmente poder comprender el papel de las nuevas tecnologías
a la hora de proporcionar seguridad y resiliencia al
tiempo que se desplaza a las tecnologías convencionales. Por
Eventos increíbles

IEEE Power & Energy Magazine - Spanish - September/October 2021

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

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IEEE Power & Energy Magazine - Spanish - September/October 2021 - Cover1
IEEE Power & Energy Magazine - Spanish - September/October 2021 - Cover2
IEEE Power & Energy Magazine - Spanish - September/October 2021 - Contents
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IEEE Power & Energy Magazine - Spanish - September/October 2021 - Cover3
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