IEEE Power & Energy Magazine - Spanish - January/February 2022 - 48

La planificación operativa y en inversión de manera proactiva para
combatir eventos desastrosos y muy inciertos requerirá
políticas propicias y de apoyo, además de marcos normativos.
manera proactiva para combatir eventos desastrosos y muy
inciertos requerirá políticas propicias y de apoyo, además de
marcos normativos para incentivar la planificación operativa
y en inversión a fin de contar con redes eléctricas resilientes.
En este contexto, el presente artículo comparte experiencias
sobre los incendios forestales de Chile y Brasil para
dilucidar los impactos reales de estos eventos y el rendimiento
de los sistemas bajo condiciones de tensión. Guiados
por estos eventos reales, describiremos las respuestas de
los actores clave, como operadores de redes, planificadores,
reguladores y diseñadores de políticas, en cuanto a la implementación
de medidas de prevención, mitigación y adaptación
orientadas a la protección contra los riesgos de incendios
en varias escalas de tiempo. Al término de este artículo
se resumen las lecciones y recomendaciones.
La experiencia chilena
Chile está siendo testigo de un riesgo importante asociado
con los incendios forestales. La figura 1 muestra la cantidad
de incendios y la superficie/área total afectada desde 1964
hasta 2020, reflejando claramente esta tendencia al alza en
riesgos. Por ejemplo, la cantidad de incendios desde 2011
hasta 2020 fue un 42 % más alta que el promedio histórico
(1964-2020). En el futuro, las perspectivas no son mejores.
Actualmente, Chile se encuentra en el 25° lugar entre los
países más afectados por el cambio climático con un Índice
de Riesgo Climático Global de 33. Se espera que el país
experimente cambios significativos en temperaturas y precipitaciones
para fines de siglo, con un aumento proyectado en
100,000
200,000
300,000
400,000
500,000
600,000
64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 00 02 04 06 08 10 12 14 16 18 20
Año
figura 1. La frecuencia e intensidad de los incendios forestales en Chile.
48
ieee power & energy magazine
enero/febrero 2022
temperaturas de 2 a 6 °C y una disminución en las precipitaciones
de invierno de hasta un 40 %.
Los riesgos de incendio también han afectado gravemente
los sistemas eléctricos. Se analizaron todas las fallas de
transmisión (interrupciones forzadas) de los sistemas eléctricos
del país desde enero de 2017 hasta junio de 2020. De
las aproximadamente 3,000 fallas de transmisión, cerca de
200 corresponden a interrupciones causadas por incendios.
Nuestro análisis identificó un 16 % de fallas provocadas
por humo y un 84 % de fallas causadas por una combinación
de calor y humo. También determinamos que el 10 % de las
fallas se debieron a conductores rotos y el 90 % a cortocircuitos
despejados por sistemas de protección. Dado que el
humo puede extenderse en cantidades abundantes desde el
lugar de origen del fuego, los incendios pueden provocar
fallas incluso si están distantes de la infraestructura eléctrica.
Un incendio cercano también puede provocar que disminuyan
las capacidades de la línea. Todos estos problemas
deben ser considerados por los propietarios de redes, operadores,
reguladores y diseñadores de políticas para mitigar el
riesgo de interrupciones por incendios.
A continuación, presentamos los desarrollos recientes en
cuanto a efectos de los incendios y medidas de mitigación
en Chile, aludiendo brevemente a los impactos en la red, el
funcionamiento, la planificación y la regulación.
La tormenta de fuego de 2017
La " tormenta de fuego " de 2017 ha sido considerada como el
incendio forestal más destructivo experimentado en Chile. El
Superficie dañada
Cantidad de incendios
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
Hectáreas
Cifra de incendios

IEEE Power & Energy Magazine - Spanish - January/February 2022

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - Spanish - January/February 2022

Contents
IEEE Power & Energy Magazine - Spanish - January/February 2022 - Cover1
IEEE Power & Energy Magazine - Spanish - January/February 2022 - Cover2
IEEE Power & Energy Magazine - Spanish - January/February 2022 - Contents
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IEEE Power & Energy Magazine - Spanish - January/February 2022 - Cover3
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