Instruction Manual
© GE Grid Solutions
4
INDEX
1.
GENERAL DRAWING ............................................................................................................. 5
2.
DESIGN AND CONSTRUCTION ............................................................................................. 6
2.1.
Inverted construction and primary circuit ........................................................................... 6
2.2.
Secondary circuit .............................................................................................................. 6
2.3.
Paper-oil insulation ........................................................................................................... 6
2.4.
Cast aluminum tank .......................................................................................................... 7
2.5.
External metallic parts ....................................................................................................... 7
3.
TRANSPORT, RECEPTION, UNPACKING AND STORAGE .................................................. 7
3.1.
Transportation................................................................................................................... 7
3.2.
Reception ......................................................................................................................... 7
3.3.
Unpacking
.............................................................................................................................. 7
3.4.
Storage ............................................................................................................................. 9
4.
BELLOWS BLOCKING SYSTEM AND ASSEMBLY IN THE STRUCTURE ............................. 9
4.1.
Bellows blocking system ................................................................................................... 9
4.2.
Assembly in the structure ................................................................................................ 10
5.
CONTACT SURFACES PREPARATION ............................................................................... 10
6.
CONNECTIONS .................................................................................................................... 10
6.1.
Primary Terminals ........................................................................................................... 10
6.2.
Primary bar type (if applicable) ....................................................................................... 11
6.3.
Double / Triple Reconnection Primary type (if applicable) ............................................... 11
6.4.
Grounding ....................................................................................................................... 11
6.5.
Secondary terminals ....................................................................................................... 11
6.6.
Terminal marking ............................................................................................................ 11
7.
OIL LEVEL INDICATOR ........................................................................................................ 11
8.
INSPECTION BEFORE FIRST ENERGIZING ....................................................................... 12
9.
MAINTAINENCE AFTER ENERGIZING ................................................................................ 12
10.
PROPER DISPOSAL OF TRANSFORMERS COMPONENTS AFTER LIFESPAN ............ 14