IEEE Power & Energy Magazine - Spanish - November/December 2020 - 64

esta mejora reduzca la capacidad máxima de cada operación
de restricción en un 9 %.

Impacto de un error de predicción
muy grande
El 2 de marzo de 2019, el área de Kyushu experimentó un
error extremo de predicción de FV (sobregeneración). Como

se muestra en la figura 14, la generación FV real fue 3.5 GW
más baja de lo que se había pronosticado a las 10 a.m. del día
anterior, mientras que la demanda fue 0.9 GW más alta de lo
esperado. Para hacer frente a la brecha total de 4.4 GW entre
la oferta y la demanda que resultó del error de predicción,
a las 9 a.m. del día del evento, cuando el funcionamiento
del sistema revisó el cronograma, se cancelaron 0.81 GW

Caída
de tensión

Transformador
Transformador de
de red de 220/66 kV
distribución de 66/6 kV
Flujo de potencia habitual

Demanda

Línea de transmisión
Centrales
térmicas
y otras centrales
eléctricas

Línea de distribución

Flujo eléctrico que acompaña a la conexión
de energía renovable (en clima despejado y condiciones similares)
Aumento
de tensión

6,800

6,800

6,700

6,700

6,600

6,600

6,500
Rango
de operación

6,400
6,300

(V)

(V)

figura 15. La dificultad de gestionar la tensión en una red de distribución. (Fuente: Kyushu EPCO; usado con permiso).

6,500
6,400
6,300
6,200

6,200
6,100
6,000
12 a.m.

6 a.m.

12 p.m.

Monitoreado

6,100

6 p.m.

6,000
12 a.m.

Medianoche

6 a.m.

(a)
30

Carga: 2,089 kW Carga: 435 kW Carga: 304 kW

LRT

30
3.96 km

6 p.m. Medianoche

(b)
10

10

12 p.m.

51
Número : Cambiar con un sensor
60

51
5.62 km

56

1.72 km
1,990 kW

57

52

1,260 kW

11.3 km

62
0.93 km

3.87 km

15.2 km

69

4.85 km

1,500 kW
17.1 km

(c)

figura 16. La desviación de tensión en un sistema de distribución. (a) Un día soleado con una generación FV conside-
rable. (b) Un día lluvioso con poca generación FV. (c) El diagrama de líneas. LRT: transformador de control de razón de
carga. (Fuente: Kyushu EPCO; usado con permiso).
64	

ieee power & energy magazine 	

noviembre/diciembre 2020



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

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

IEEE Power & Energy Magazine - Spanish - November/December 2020 - Cover1
IEEE Power & Energy Magazine - Spanish - November/December 2020 - Cover2
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 1
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IEEE Power & Energy Magazine - Spanish - November/December 2020 - 105
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IEEE Power & Energy Magazine - Spanish - November/December 2020 - 111
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IEEE Power & Energy Magazine - Spanish - November/December 2020 - 113
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IEEE Power & Energy Magazine - Spanish - November/December 2020 - 115
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 116
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 117
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 118
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 119
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 120
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 121
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 122
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IEEE Power & Energy Magazine - Spanish - November/December 2020 - 124
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 125
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 126
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 127
IEEE Power & Energy Magazine - Spanish - November/December 2020 - 128
IEEE Power & Energy Magazine - Spanish - November/December 2020 - Cover3
IEEE Power & Energy Magazine - Spanish - November/December 2020 - Cover4
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