Power & Energy Magazine - Spanish - September/October 2019 - 76

La EFI tiene como objetivo difundir la flexibilidad energética de los
dispositivos al proporcionar toda la información necesaria para los
algoritmos de control sin necesidad de ningún detalle específico
del dispositivo.
el sistema energético (gráfico 7). Durante la prueba piloto,
los dispositivos inteligentes en las instalaciones del cliente
se coordinaron activamente mediante el marco de mercado
(USEF), la infraestructura (dEF-Pi y EFI) y el mecanismo
de coordinación (PowerMatcher) descritos anteriormente.
En su rol central, el agregador establece un punto de ajuste
objetivo, que finalmente se logró mediante una combinación
de esfuerzos de los dispositivos involucrados.
En el gráfico 8(a), se muestran los datos correspondientes
a una semana del consumo de energía de las baterías domés-
ticas frente al precio en una escala de −0.5 a 0.5, en la que
−0.5 es un incentivo que aumenta el consumo (aumenta la
producción) y 0.5 es un incentivo que disminuye el consumo
(aumenta la producción); "0" significa que no hay un objetivo
y que los dispositivos funcionan sin ningún incentivo externo.
En el gráfico 8(b), mostramos los mismos datos, pero como
un gráfico de correlación, diagramando el consumo de ener-
gía frente al precio. Existe una correlación entre la señal de
precio y el consumo de energía. Un precio alto provoca que
las baterías se descarguen lo más posible (lo que produce
electricidad desde la perspectiva de la red y, por lo tanto, un
consumo negativo), mientras que los precios bajos hace que
las baterías se carguen (lo que consume electricidad). Sin
embargo, no existe una correlación lineal clara debido a otras
influencias, como los niveles de carga de la batería.
En el gráfico 9 mostramos datos de solo los primeros dos
días de la semana, que ahora muestran el consumo de energía

agregador. Con base en las estimaciones, el GRD planifica
y valida la contratación de carga flexible para cualquier día
en particular teniendo en cuenta la congestión. En este caso,
el agregador desempeña un rol central en la definición de
un punto de ajuste objetivo basado en la llamada de contra-
tación del GRD, y lo comunica a todos los dispositivos en
el campo, lo que traslada la responsabilidad de la entrega
confiable al agregador. Finalmente, en la fase de liquidación,
el GRD liquidará el saldo de entrega con el agregador, en
función de la entrega planificada y real. En EFR-II, este pro-
ceso de liquidación no implicó una liquidación monetaria
real debido a la condición piloto.

Resultados y reflexiones
Como se mencionó anteriormente, el objetivo del piloto de
EFR era implementar un marco y mecanismo de control
basado en el mercado mediante el uso de estrategias y subas-
tas de licitación ascendente para coordinar los dispositivos
inteligentes de los clientes a fin de administrar el sistema
energético con el uso de estándares y protocolos de código
abierto. En la siguiente sección, profundizaremos en algunos
hallazgos clave respecto de los objetivos y resultados piloto.

Marco y mecanismo de control basado
en el mercado

Energía de la batería

1.5
1

0.5

0.5
0

0

-0.5
-1

-0.5

-1.5
Energía
Precio PowerMatcher ((b) eje x))
-2
30 de 31 de 1 de
2 de
3 de
4 de
5 de
julio
julio agosto agosto agosto agosto agosto
Hora
(a)

Consumición de energía (kW)

2

Precio PowerMatcher

Consumición de energía (kW)

EFR demostró que un marco y mecanismo de control basado
en el mercado es capaz de ayudar a aliviar las tensiones en

2

Correlación de la batería

1.5
1
0.5
0

-0.5
-1

-1.5
-2
-0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5
Precio PowerMatcher
(b)

gráfico 8. (a) la señal de precios y (b) el consumo de energía de la batería muestran una clara correlación. La correlación
confirma que las baterías se comportan como se desea.
76

ieee power & energy magazine

septiembre/octubre 2019



Power & Energy Magazine - Spanish - September/October 2019

Table of Contents for the Digital Edition of Power & Energy Magazine - Spanish - September/October 2019

Contents
Power & Energy Magazine - Spanish - September/October 2019 - Cover1
Power & Energy Magazine - Spanish - September/October 2019 - Cover2
Power & Energy Magazine - Spanish - September/October 2019 - Contents
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Power & Energy Magazine - Spanish - September/October 2019 - Cover3
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