IEEE Power & Energy Magazine - Spanish - November/December - 48

de interconexión imponen retrasos significativos, y las mejoras
son costosas, lo que dificulta la creación de múltiples
proyectos independientes de manera oportuna.
Las fuentes híbridas que incluyen ER variable y tecnologías
de almacenamiento pueden optimizar activamente
la utilización de la transmisión mediante la coordinación.
La producción de ER que de otra manera se vería restringida
debido a las limitaciones en la transmisión se puede
aprovechar para cargar el almacenamiento. A medida que
los paneles FV bajan de precio, también se pueden crear diseños
que incluyan capacidad solar adicional en las fuentes
híbridas (lo que aumenta la relación CC/CA e implica que
los paneles pueden producir más energía que la que los inversores
pueden brindar a la red). Estos pueden hacer que
las fuentes híbridas carguen el almacenamiento con energía
interna (figura 2).
La infraestructura de transmisión compartida es el
Equipo de almacenamiento
adyacente a los inversores solares
Ubicación conectada a
múltiples inversores solares
punto dominante de acople para fuentes híbridas de almacenamiento
más energía solar " acopladas a CA " (que usan
FV e inversores a batería independientes), pero las fuentes
también se pueden beneficiar de compartir un sitio físico y
equipo de comunicación (figura 3). Esta configuración es
flexible en el diseño, las operaciones y el mantenimiento
de una central. Puede incluir la participación conjunta del
mercado, la medición y la telemedición,
y el almacenamiento todavía
puede calificar para el crédito
fiscal de inversión en energía
solar. El crédito fiscal de EE. UU.
no requiere una conexión eléctrica
directa del panel solar al almacenamiento.
Suele ser suficiente con
demostrar que la energía utilizada
al recargar el almacenamiento no
supera la energía generada por el
componente solar hora a hora, y
esto se puede lograr en las configuraciones
acopladas a CA y CC.
Puede que facilitar las sinerfigura
4. Una central acoplada a CC, que muestra la ubicación del equipo de
almacenamiento. La integración acoplada a CC del almacenamiento con los paneles
solares existentes es más compleja, ya que debe existir espacio disponible para ubicar
el equipo de la batería adyacente a cada inversor solar. (Fuente: NextEra Energy;
usado con permiso).
I Inversor y
transformador
nversor y
Convertidor
de CC
Gabinete del
Gabinete del
sistema de
almacenamiento
de energía
figura 5. La distribución de una ubicación conectada dentro de una central de energía
solar más almacenamiento, que muestra la ubicación del equipo del sistema de
almacenamiento de energía. (Fuente: NextEra Energy; usado con permiso).
48
ieee power & energy magazine
Disposición RutR a del sitiRuta del sitio
Disposición
FV
gias adicionales requiera compartir
más componentes físicos, como
en fuentes híbridas " acopladas
a CC " con FV y tecnologías de
batería que comparten inversores.
Utilizar un inversor compartido
puede reducir los costos totales de
equipo y facilitar la obtención de
energía reducida para la carga de
las baterías. Los inversores compartidos
pueden ser dispositivos
FV convencionales unidireccionales
(en los que la batería se puede
cargar solo con el FV acoplado)
y bidireccionales (en los que la
batería se puede cargar con el FV
acoplado o con la red). Dado que
las grandes centrales FV tienen
muchos inversores ubicados junto
a cada " cadena FV " , el equipo de
almacenamiento normalmente se
debe colocar junto a cada inversor
compartido (figura 4). Se muestran
más detalles de la ubicación
de cada inversor en la figura 5.
Compartir
inversores acarrea
complejidades adicionales y distintas
restricciones
operativas,
noviembre/diciembre
2021

IEEE Power & Energy Magazine - Spanish - November/December

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - Spanish - November/December

IEEE Power & Energy Magazine - Spanish - November/December - Cover1
IEEE Power & Energy Magazine - Spanish - November/December - Cover2
IEEE Power & Energy Magazine - Spanish - November/December - 1
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IEEE Power & Energy Magazine - Spanish - November/December - 139
IEEE Power & Energy Magazine - Spanish - November/December - Cover3
IEEE Power & Energy Magazine - Spanish - November/December - Cover4
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