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GENERAL INSTRUCTIONS FOR CTC
UNDER POLE COMPACT
TRANSFORMER SUBSTATION
IG-086-GB
version 02
11.07.2007
3.8. ACCESS TO MV AND LV CABLES
The
CTC
TS is provided with one MV cable incoming hole, with dimensions of
400 x 190 mm, at the rear of the enclosure, on the opposite side of the access door to the
LVB.
It also has another LV cable outgoing hole, with dimensions of 440 x 190 mm, at the front of
the enclosure, under the access door to the LVB.
To open a hole, just hit it with a hammer.
3.8.1. Connection of the MV Cables to the Transformer
If the transformer is fitted with 24 kV plug-in bushings, it is recommended to use 24 kV /
250 A single connection plug-in connectors and single core cable.
If the transformer is fitted with 36 kV plug-in bushings, it is recommended to make the
connection with 36 kV / 400 A plug-in connectors and a single core cable.
245
625
440
175
735
400
Dimensions in millimetres
Figure 3.11
:
Location of the LV cable outgoing
Dimensions in millimetres
Figure 3.10
:
Location of the MV cable incoming
