Power & Energy Magazine - Spanish - July/August 2019 - 30

Estadísticas de las subestaciones de energía
eléctrica de Corea
La República de Corea es actualmente uno de los consumidores más grandes de energía eléctrica en el mundo, debido
al rápido crecimiento económico de las industrias pesada
y química del país. La República de Corea consumió un
total de 507.7 TWh electricidad neta en 2017, con 276.6
TWh para fines industriales, 164.5 TWh para aplicaciones
comerciales y 66.5 TWh para uso residencial. La máxima
demanda alcanzó los 92.5 GW en 2018 y se estima que
crezca y alcance los 110 GW en 2030, según el octavo plan
de oferta y demanda de electricidad de largo plazo publicado
por el Ministerio de Comercio, Industria y Energía. La capacidad de generación instalada total en el sistema energético
coreano es actualmente de 119 GW.
La Tabla 1 muestra las plantas de transmisión, subestaciones y distribución en la República de Corea desde
1992 hasta 2017. Como se muestra, la cantidad de plantas de transmisión y subestaciones de 345 y 154 kV ha
aumentado, pero la cantidad de plantas de transmisión de
66 kV ha disminuido. Desde 1990, estas plantas han sido
retiradas intencionalmente para mejorar la eficiencia de
la transmisión.

KEPCO ha establecido un nuevo nivel de tensión (70 kV)
para dar cabida a las cantidades crecientes de FER de
acuerdo con su plan de oferta y demanda de electricidad de
largo plazo. La primera subestación de 70 kV será instalada
en 2022 y reflejará un diseño modular. Aunque normalmente
toma cuatro años instalar una subestación convencional, ubicar estratégicamente las subestaciones modulares probablemente aceleraría el proceso de manera significativa.

Perspectiva para los esfuerzos
de Corea en el desarrollo de
subestaciones inteligentes
Desarrollo de subestaciones digitales
y redes de comunicación
Después de la publicación de la CEI 61850 en 2004, se creó
un grupo de trabajo para promover las subestaciones digitales. La Tabla 2 es una hoja de ruta general para la implementación de la subestación inteligente. Después de varios
proyectos piloto, se instaló la primera subestación digital
de 154 kV en 2013. Se instaló un total de 32 subestaciones
digitales en 2018, y se espera instalar 740 más para 2034,
lo que incluye la digitalización de subestaciones existentes.

tabla 1. Plantas de transmisión, subestaciones y distribución en la República de Corea.
División
Plantas de
transmisión (Km
de C)

Plantas de
subestaciones (MVA)

Cantidad de
subestaciones

Plantas de
distribución

1992

1997

2002

2007

2012

2017

765 kV

-

-

662

755

835

1,019

345 kV

5,259

6,442

7,496

8,284

8,770

9,746

154 kV

11,631

15,097

18,144

19,917

21,578

22,831

66 kV

3,579

2,513

1,402

338

208

128

Total

20,469

24,052

27,704

29,294

31,391

33,724

765 kV

-

-

7,110

23,114

29,116

38,116

345 kV

26,339

46,009

69,078

95,279

115,598

131,880

154 kV

32,982

58,706

83,364

109,268

126,143

141,538

66 kV

2,103

1,813

1,073

454

312

240

22 kV

508

308

213

134

78

94

Total

61,932

61,932

160,838

228,249

271,247

311,868

765 kV

-

-

3

5

5

7

345 kV

20

36

69

81

68

112

154 kV

223

335

472

571

636

713

66 kV

74

48

20

6

3

3

22 kV

14

8

10

6

3

4

Total

331

427

574

669

715

839

Línea (Km
de C)

255,340

326,506

366,983

401,485

442,641

481,365

Transformador
(MVA)

24,072

39,596

71,977

92,963

104,081

114,236

Km de C: Kilómetro de circuito.
30

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Power & Energy Magazine - Spanish - July/August 2019

Table of Contents for the Digital Edition of Power & Energy Magazine - Spanish - July/August 2019

Contents
Power & Energy Magazine - Spanish - July/August 2019 - Cover1
Power & Energy Magazine - Spanish - July/August 2019 - Cover2
Power & Energy Magazine - Spanish - July/August 2019 - Contents
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