IEEE Power & Energy Magazine - Spanish - November/December 2020 - 63

sitio o los sistemas descargan los programas de restricción
publicados. Si el control de una unidad FV no está automatizado, las órdenes de restricción y los horarios se envían a un
administrador del sistema en el sitio que es responsable de la
supervisión de la unidad FV, de acuerdo con la ley.

rio, utilizando la última predicción intradiaria disponible. A
través de la mejora, en términos de economía, la cantidad
esperada de restricción disminuye por la reducción de la restricción objetivo. En términos de seguridad, la posible falta
de restricción, como resultado de los pedidos del día anterior, se trata, si es necesario, mediante la restricción con 2 h
de antelación de unidades adicionales en línea. Se espera que

Restricción en generación por operación del
sistema usando el error de
predicción promedio
Error máximo
de predicción

Restricción de 2 horas
antes, si es necesario

En línea
Error
promedio

Fuera
de línea

Generación
Previsión de
programada de generación
de energía
energía no
renovable
renovable

Desde el otoño de 2019, se han
mejorado los procedimientos de
restricción de la generación renovable (figura 13). La cantidad
objetivo de restricción, que se calculó anteriormente en función del
error de predicción máximo histórico para el mismo mes, ahora
se determina en función del error
de predicción promedio histórico
para el mismo mes. Las unidades
fuera de línea reciben órdenes de
limitación con 1 día de anticipación, mientras que las unidades
en línea, para hacer el mejor uso
de las unidades FV controladas
en línea, reciben directivas de
restricción con 2 horas de anticipación y solo cuando sea necesa-

Reducción

Restricción
del día siguiente

Objetivo
de restricción

Suministro Demanda
figura 13. Mejora en la operación de restricción mediante el uso del error de predicción promedio. (Fuente: METI; usado con permiso).

12
Excedente de 0.9 GW a las 12 p.m.
10

(GW, GWh)

8

6

4

Déficit de 3.5 GW a las 12 p.m.

2

2

.
p.
m
2 .
p.
m
3 .
p.
m
4 .
p.
m
5 .
p.
m
6 .
p.
m
7 .
p.
m
8 .
p.
m
9 .
p.
10 m.
p.
11 m.
p.
m
.

m

.

1

12

p.

m

.
11

a.

m

.
10

a.

m

.
9

a.

.

m

m
8

a.

.
7

a.

.

m

6

a.

m

.
5

a.

.

m

4

a.

.

m

3

a.

m

.
2

a.

m
a.

1

12

a.

m

.

0

Generación PHS

Demanda, real

Demanda, pronóstico

Potencia
P
térmica

FV, real

Previsión de FV
a día siguiente 1,000
1 000
al

Previsión de FV
a día siguiente 1,600
1 600
al

A
Almacenamiento
P
PHS

figura 14. La operación de oferta y demanda el 2 de marzo de 2019. (Fuente: Kyushu EPCO; usado con permiso).
noviembre/diciembre 2020	

ieee power & energy magazine 	

63



IEEE Power & Energy Magazine - Spanish - November/December 2020

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - Spanish - November/December 2020

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IEEE Power & Energy Magazine - Spanish - November/December 2020 - Cover3
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