CSS sahara_02_04_instructions.doc
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Table of Contents
INTRODUCTION....................................................................................................................................3
GENERAL................................................................................................................................................3
RECEIVING/INSPECTION/STORAGE ..............................................................................................4
PERSONNEL SAFETY ..........................................................................................................................4
VENTILATION .......................................................................................................................................4
EARTHING..............................................................................................................................................4
HANDLING .............................................................................................................................................4
SAFETY NOTES FOR OPERATIONS ................................................................................................5
INSTALLATIONS...................................................................................................................................5
CONNECTIONS......................................................................................................................................5
Tap connections .........................................................................................................................6
Cable Connections .....................................................................................................................6
FINAL INSPECTION PRIOR TO ENERGIZATION ........................................................................6
Electrical Inspection ..................................................................................................................6
Mechanical Inspection...............................................................................................................7
MAINTENANCE AND PERIODIC INSPECTION.............................................................................7
Bolt Tightness.............................................................................................................................7
Inspection and Testing ..............................................................................................................7
Routine Field Testing ................................................................................................................8
1. Insulation Resistance Test ...................................................................................8
2. Connection Test....................................................................................................9
3. Mechanical Operation..........................................................................................9
TRANSFORMER MAINTENANCE.....................................................................................................9
Inspection during operation......................................................................................................9
Maintenance during operation .................................................................................................9
Inspection and Measures to be taken during downtime ........................................................9
Inspection of oil leaks and precautions to be taken..................................................9
Inspection Measurements .........................................................................................................10
Opening/Resealing Sealed type Transformers ........................................................................10
FUSE REPLACEMENT PROCEDURE ...............................................................................................11
LOW VOLTAGE CIRCUIT BREAKER MAINTENANCE ..............................................................11
General .......................................................................................................................................12
