Table Of Contents - GE KOTEF-72 Instruction Manual

72.5kv combined transformer
Table of Contents

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Instruction Manual
1.
GENERAL DRAWING ............................................................................................................. 5
2.
DESIGN AND CONSTRUCTION ............................................................................................. 6
2.1.
Inverted construction and primary circuit for CT part ......................................................... 6
2.2.
Secondary circuit for the CT part ...................................................................................... 6
2.3.
Paper-oil insulation ........................................................................................................... 6
2.4.
Cast aluminum tanks ........................................................................................................ 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 ............................................................................................................................. 8
4.
4.1.
Bellows blocking system ................................................................................................... 8
4.2.
Assembly in the structure .................................................................................................. 9
5.
CONTACT SURFACES PREPARATION ................................................................................. 9
6.
CONNECTIONS .................................................................................................................... 10
6.1.
Primary Terminals ........................................................................................................... 10
6.2.
Primary bar type (if applicable) ....................................................................................... 10
6.3.
Two bar or Four bar Reconnection Primary type (if applicable) ....................................... 10
6.4.
Grounding ....................................................................................................................... 10
6.5.
Secondary terminals ....................................................................................................... 10
6.6.
Terminal marking ............................................................................................................ 11
7.
OIL LEVEL INDICATOR ........................................................................................................ 11
8.
INSPECTION BEFORE FIRST ENERGIZING ....................................................................... 11
9.
MAINTAINENCE AFTER ENERGIZING ................................................................................ 12
© GE Grid Solutions
INDEX
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