IEEE Power & Energy Magazine - Spanish - November 2019 - 110

No existe una solución universal para alcanzar las capacidades deseadas para brindar soporte a la red; existen muchas
maneras con una variación amplia en los costos. Una vez que
las necesidades físicas de un sistema eléctrico con una penetración muy alta de IBPS están claras y existe una descripción indiferente a la tecnología del funcionamiento deseado,

50.5

(Hz)

50.3
50.1
49.9
49.7
49.5
0

1

2

(s)

3

4

5

Frecuencia en Hertz
Con retraso de cero ciclos
Con retraso de un ciclo
Con retraso de tres ciclos
Con retraso de cinco ciclos
Con retraso de 10 ciclos
Con retraso de 15 ciclos

Potencia
activa (MW)

gráfico 6. Los resultados del estudio de la Universidad de
Strathclyde demuestran los efectos de la RFR con varios
retrasos en el circuito de control.

la industria tiene la capacidad de proporcionar las soluciones
que satisfagan la necesidad, una de las cuales puede ser una
IBPS FR.

Perspectiva de la investigación
No se puede garantizar la estabilidad del sistema eléctrico
con una penetración muy alta de las IBPS SR que dependen de controles rígidos rápidos para inyectar corriente en
la red. A medida que disminuye el número de GS en línea,
el impacto en la dinámica electromecánica se vuelve menos
pronunciado y domina la dinámica eléctrica más rápida. El
bucle de fase sincronizada que pierde la sincronización con
la red es lo principal entre los circuitos de control rápido que
resultan en inestabilidad. Entre otras investigaciones, este
fenómeno se ha demostrado en estudios sobre un modelo de
36 nodos de la red de Gran Bretaña hacia 2030 (gráfico 3) y
un modelo futurista de 100 nodos de una parte del sistema
de servicios públicos de Norteamérica (gráfico 4). El último
estudio también muestra que una IBPS FR puede garantizar una estabilidad de pequeña señal del sistema aislado al
entrar en modo de isla, fuera de la red principal.
Debido a su comportamiento como fuente de tensión, las
IBPS FR proporcionan una respuesta escalonada inmediata
y se adaptan inherentemente a los cambios de la red en comparación con la respuesta más lenta de las IBPS SR (gráfico
5). Los circuitos de control adicionales en la IBPS SR no
pueden lograr este comportamiento, ya que necesitan medir
las variables del sistema (tensión, corriente, frecuencia) para
reaccionar con precisión, lo que inherentemente disminuye
la respuesta. Por ejemplo, la RFR de las IBPS SR puede

50

EMT
Secuencia positiva de vanguardia
Nueva secuencia positiva

0
-50

Energía
reactiva (Mvar)

4
150
100
50

4.4

4.6

4.8

5

4.4

4.6

4.8

5

4.4
Tiempo (s)

4.6

4.8

5

EMT
Secuencia positiva de vanguardia
Nueva secuencia positiva

0
4

Tensión (pu)

4.2

2
1.5
1

4.2

EMT
Secuencia positiva de vanguardia
Nueva secuencia positiva

0.5
0
4

4.2

gráfico 7. Una comparación de EMT, el modelo de dominio de fasores de vanguardia actual y un modelo de dominio de fasores mejorado cuando se aplica una falla franca trifásica en un punto de interconexión IBPS en un área de pocos cortocircuitos.
110

ieee power & energy magazine

noviembre/diciembre 2019



IEEE Power & Energy Magazine - Spanish - November 2019

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - Spanish - November 2019

Contents
IEEE Power & Energy Magazine - Spanish - November 2019 - Cover1
IEEE Power & Energy Magazine - Spanish - November 2019 - Cover2
IEEE Power & Energy Magazine - Spanish - November 2019 - Contents
IEEE Power & Energy Magazine - Spanish - November 2019 - 2
IEEE Power & Energy Magazine - Spanish - November 2019 - 3
IEEE Power & Energy Magazine - Spanish - November 2019 - 4
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IEEE Power & Energy Magazine - Spanish - November 2019 - 134
IEEE Power & Energy Magazine - Spanish - November 2019 - Cover3
IEEE Power & Energy Magazine - Spanish - November 2019 - Cover4
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