IEEE Power & Energy Magazine - July/August 2019 - 31

the substations. Thus, installing
G-platforms with a 30-MW capability could provide a sufficient
margin to 76.5% of the substations with limited overcapacity. A
transformer capacity of 30 MVA
in the G-platform was determined
as meeting weight, economy, and
urgency requirements in the preliminary study.

22.9 kV

Remotely Located RESs
Wind

154-kV
Substation

PV
Wind

Connecting the G-Platform
for RE Integration

Figure 6 is an example of a G-platform installation that directly
connects an existing substation
and remotely located small-scale
RE resources to a transmission
line. Candidate locations for this
application are shown in Figure 7.
The advantage of this connection
method is reducing the need for
rights of way and cost savings
resulting from lower line installation

Direct Connection to 154-kV
Transmission Line
154 kV
154-kV
Substation

Wind PV
154-kV/22.9-kV
G-Platform

Wind

figure 6. An example of the G-platform installation. PV: photovoltaic.

Jinan - Muju 154-kV
Transmission Line

G-Platform

Geumneung
Substation

G-Platform

Jinan
Substation

Geumneung-Sungju 154-kV
Transmission Line
Types of
Renewable

Distance From
Substation (km)

Capacity
(kW)

PV

4.3

6,000

A

Types of
Renewable

Distance From
Substation (km)

Capacity
(kW)

A

PV

6.9

100

B

PV

7.5

3,000

B

PV

7.5

100

C

PV

7.1

2,000

C

PV

7.1

100

D

PV

23.1

2,000

D

PV

6.1

100

E

PV

4

8,000

E

PV

8.1

200

F

PV

6.7

2,000

F

PV

15.2

19,500

figure 7. The candidate locations of the direct connection between a G-platform and a transmission line. PV: photovoltaic.
july/august 2019

ieee power & energy magazine

31



IEEE Power & Energy Magazine - July/August 2019

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

Contents
IEEE Power & Energy Magazine - July/August 2019 - Cover1
IEEE Power & Energy Magazine - July/August 2019 - Cover2
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IEEE Power & Energy Magazine - July/August 2019 - Cover3
IEEE Power & Energy Magazine - July/August 2019 - Cover4
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