IEEE Power & Energy Magazine - Spanish - November/December 2020 - 29
(FCAS, por sus siglas en inglés),
entonces los límites térmicos y
de tensión pueden sobrepasarse
debido a los flujos de potencia
inversos ( d en la figura 5).
Este artículo se centra en el
aumento de los rangos de tensión,
los flujos inversos y las implicaciones de la energía FVD para
la seguridad del sistema, y cada
sección describe sus desafíos y
soluciones. Sin embargo, constantemente surgen más dificultades y oportunidades, como las
implicaciones en el diseño de la
protección para el sistema de distribución y transmisión, la gestión
de la potencia reactiva, el desprendimiento de carga por subfrecuencia y las capacidades de arranque
autógeno del sistema.
400
a
Demanda (kW)
200
100
0
-100
-200
b
-300 Límite térmico aproximado
d
Demanda subyacente
Demanda después de sistemas FVD y BESS
216 V (nominal -6 %)
450
Número de sitios
17
de
100
253 V (nominal +10 %)
90
94.9 % de
V99% ≤253 V 80
230 V (nominal)
V01 %
V50 % (mediana)
V99 %
84.5 % de
V50% ≤244 V
70
300
60
250
50
200
40
150
30
100
20
0.7 % de
V01 % ≤216 V
50
Porcentaje acumulativo de sitios
La gestión de la tensión se vuelve
más difícil en las redes de distribución australianas a medida
que las temperaturas extremas de
verano impulsan la demanda de
350
er
o
en
de
14
Demanda después de sistemas FVD
Evento modelado de exportación de VPP
figura 5. El ensayo de baterías de Salisbury en Australia Meridional. a Los desafíos
existentes de los límites términos durante la demanda máxima (anaranjado). b Los
desafíos existentes de la tensión, con altas exportaciones de energía FVD (verde). c
La demanda máxima reducida, con baterías y el pico observado durante un evento
de carga de VPP (púrpura). d Los desafíos modelados de los límites térmicos impul-
sados por VPP que surgen durante eventos de exportaciones de VPP (línea disconti-
nua). Para más detalles, consulte " Caso comercial de gestión de baja tensión " en la
sección " Lecturas Complementarias " .
Desafíos
400
20
17
de
20
17
13
de
en
er
o
de
20
17
er
o
en
de
12
11
de
en
er
o
de
20
17
20
de
er
o
en
de
10
9
8
de
de
en
en
er
o
er
o
de
de
20
20
17
17
-400
Aumento del rango de
tensión
500
c
Límite térmico aproximado
300
10
0
260
258
256
254
252
250
248
246
244
242
240
238
236
234
232
230
228
226
224
222
220
218
216
0
Tensión
figura 6. Mediciones de tensión para el monitoreo de baja tensión de las redes de Energex en la primavera (noviem-
bre) de 2019. Los datos son de ~4,000 monitores de baja tensión (de aproximadamente 150,000 redes de baja tensión
en Queensland). Para más detalles, consulte " Informe de planificación anual de distribución " en la sección " Lecturas
Complementarias " . V50 %: percentil 50 de tensión.
noviembre/diciembre 2020
ieee power & energy magazine
29
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 - Cover3
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