
abb
SafeLink
SF
6
Insulated Ring Main Unit
Installation and Operating Instructions
SLMIO ver 2.12
ABB Ltd, Switchgear Division, Auckland, New Zealand
Table of Contents
1
Introduction ___________________________________________ 1
1.1
Technical Data __________________________________________ 1
1.1.1
Physical Data _______________________________________________ 1
1.1.2
Electrical Data ______________________________________________ 2
1.1.3
Rating Label ________________________________________________ 3
1.1.4
Standard Compliance _________________________________________ 3
1.2
Arrangement Drawings ___________________________________ 4
1.2.1
General Arrangement _________________________________________ 4
1.2.2
Foundation Plan _____________________________________________ 4
1.2.3
Schematic __________________________________________________ 5
2
Operation _____________________________________________ 6
2.1
Gas Density Gauge _______________________________________ 6
2.2
General Switch Operation_________________________________ 6
2.3
Switch-Fuse Reset _______________________________________ 8
2.3.1
Steps for Fuse Replacement ____________________________________ 8
2.4
Fuse Link Selection _____________________________________ 10
2.5
Cable Box _____________________________________________ 11
2.6
Cable Testing __________________________________________ 11
3
Maintenance __________________________________________ 12
3.1
Environmental _________________________________________ 12
3.2
Maintenance ___________________________________________ 12
3.3
Gas Sampling and Filling ________________________________ 12
4
Transport & Handling __________________________________ 13
4.1
Storage________________________________________________ 13
4.2
Transporting___________________________________________ 13
4.3
Inspection of Unit _______________________________________ 13
4.4
Dimensions & Weights___________________________________ 13
5
Installation ___________________________________________ 14
5.1
Foundations ___________________________________________ 14
5.2
Main Cable Boxes_______________________________________ 14
5.3
Cable Connection _______________________________________ 14
5.3.1
Steps for Cable Connection ___________________________________ 15
5.4
Fuse Types and Replacement _____________________________ 15
5.5
Outdoor Enclosure ______________________________________ 16