Table of Contents
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Instruction Manual
SCHEMATIC DIAGRAM ................................................................................................................ 5
1.
TRANSPORT, RECEPTION, UNPACKING AND STORAGE .................................................................... 6
2.
Transport ........................................................................................................................... 6
2.1.
Reception .......................................................................................................................... 7
2.2.
2.3.
Unpacking .......................................................................................................................... 7
2.4.
Storage ............................................................................................................................ 11
3.
ANCHORING ............................................................................................................................ 11
4.
CONTACT SURFACES PREPARATION ............................................................................................ 11
5.
CONNECTIONS AND ACCESORIES ............................................................................................... 12
5.1.
Primary terminals ............................................................................................................. 12
Secondary terminal box..................................................................................................... 13
5.2.
Secondary terminals ......................................................................................................... 13
5.3.
HF terminal ...................................................................................................................... 13
5.4.
Terminal marking ............................................................................................................. 14
5.5.
Protection of compensation reactor and drain coil .............................................................. 14
5.6.
CVT grounding .................................................................................................................. 14
5.7.
EMU potential grounding switch ........................................................................................ 15
5.8.
Carrier grounding switch ................................................................................................... 15
5.9.
Line trap assembly ........................................................................................................ 16
5.10.
OIL LEVEL INDICATOR................................................................................................................ 16
6.
7.
INSPECTION BEFORE FIRST ENERGIZING ...................................................................................... 17
8.
ON-SITE TESTS ......................................................................................................................... 17
On-site test methods ........................................................................................................ 18
8.1.
8.2.
Care and precaution .......................................................................................................... 18
Capacitance measurement ................................................................................................ 18
8.3.
Voltage ratio measurement ............................................................................................... 23
8.4.
GARTON effect ................................................................................................................. 24
8.5.
8.6.
Capacitance and dissipation factor with temperature variation ............................................ 25
MANTENANCE AFTER ENERGIZING ............................................................................................. 25
9.
10.
FINAL DISPOSAL OF THE TRANSFORMER PARTS AFTER LIFE TIME ............................................... 26
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Index
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Table of Contents
