NORMAFIX
TABLE OF CONTENTS
1. GENERAL TECHNICAL CHARACTERISTICS ...................................................................................................... 3
2. MODULAR UNITS ............................................................................................................................................... 4
2.1 IS Cubicle ................................................................................................................................................... 4
2.2 CIS Cubicle ................................................................................................................................................. 4
2.3 DC Cubicle .................................................................................................................................................. 5
2.4 M Cubicle .................................................................................................................................................... 5
2.5 SBM Cubicle ............................................................................................................................................... 5
2.6 CD Cubicle .................................................................................................................................................. 6
2.7 TT Cubicle .................................................................................................................................................. 6
2.8 DB Cubicle .................................................................................................................................................. 6
3. OVERVIEW OF MODULAR UNITS ..................................................................................................................... 7
4. OPERATING MECHANISMS .............................................................................................................................. 10
5. SF6 SYSTEM ..................................................................................................................................................... 12
6. DISPATCH ........................................................................................................................................................ 13
7. RECEPTION ...................................................................................................................................................... 13
8. INSTALLATION ................................................................................................................................................ 14
8.1 Preparing the floor ................................................................................................................................. 14
8.2 Unpacking................................................................................................................................................. 14
8.3 Installation on site .................................................................................................................................. 14
8.4 Panels assembly ...................................................................................................................................... 15
8.5 Fastening the panels to the floor......................................................................................................... 15
8.6 Connection of the earthing circuit ...................................................................................................... 16
8.7 Busbar connection .................................................................................................................................. 16
8.8 Cables connection .................................................................................................................................. 17
8.9 Toroidal transformers Cable Connections .......................................................................................... 19
8.10 Assembling of fuses .............................................................................................................................. 19
8.11 Definition of fuses ................................................................................................................................ 20
9. START-UP ........................................................................................................................................................ 20
9.1 Essential checking .................................................................................................................................. 20
9.2 Switchgear operations ........................................................................................................................... 20
9.3 Voltage feeding ....................................................................................................................................... 20
9.4 Live cables control ................................................................................................................................. 21
9.5 Phase agreement control in “Incoming” panels ................................................................................ 21
9.6 Busbar feeding and fuses protection ................................................................................................... 21
10. EXPLOITATION .............................................................................................................................................. 22
10.1. Operating mechanism operation ...................................................................................................... 22
10.2. Earth Switch opening operation (CI1 and CI2) ............................................................................... 22
10.3. Earth Switch closing operation (CI1 and CI2) ................................................................................. 23
10.4. Switch closing operation (CI1 or CS1) .............................................................................................. 23
10.5. Switch opening operation (CI1 or CS1) ............................................................................................ 24
10.6. Switch closing operation and recharge for opening (CI2 - transformer protection function) 24
10.7. Switch opening operation (CI2 - transformer protection function) ............................................ 25
10.8. Closing and opening operations (Vacuum Circuit Breaker, CDV mechanism) ........................... 25
10.9. Closing and opening operations (SF6 Circuit Breaker, CLR mechanism) ................................... 26
12. REPLACEMENT .............................................................................................................................................. 27
12.1 Replacing the Voltage Signalization lamps ...................................................................................... 27
12.2 Fuse replacement ................................................................................................................................. 27
12.3 Removing the automatic switch disconnector of the cubicle ....................................................... 28
12.4 Removing cover mechanism ................................................................................................................ 29
13. SPARE PARTS ................................................................................................................................................ 29
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