Nuova Via di Piano Comprensorio Vulcano
Sesto San Giovanni, MI 20099 Italy
Tel. 02-24105.001
IS 2653 GB
Page
2
of
18
LIST OF CONTENTS
1
Introduction ................................................................................................................................ 3
2
Safety ........................................................................................................................................ 3
2.1
Preliminary operative information ........................................................................................ 4
3
Transport and storage conditions .............................................................................................. 5
3.1
Transport conditions ........................................................................................................... 5
3.2
Lifting conditions ................................................................................................................. 5
3.3
Storage conditions .............................................................................................................. 6
4
Technical characteristics ............................................................................................................ 6
5
Bushing preparation and installation .......................................................................................... 7
5.1
Controls at the arrival .......................................................................................................... 7
5.2
Bushing unpacking ............................................................................................................. 8
6
Gas SF6 characteristics and gas filling instruction ................................................................... 10
6.1
Gas first filling operation and control of alarm and tripping signals ................................... 11
6.2
Gas refilling during the bushing normal operation ............................................................. 11
7
Gas density monitor ................................................................................................................. 13
8
Power factor taps ..................................................................................................................... 14
9
Composite insulators maintenance .......................................................................................... 14
10
General maintenance plan ................................................................................................... 16
11
Disposal at the end of life ..................................................................................................... 18