5kV and 15kV Metal-Clad Switchgear
Table of Contents
Introduction ...................................................................................... 2
Qualified Person .............................................................................. 2
Signal Words .................................................................................... 2
Introduction ...................................................................................... 3
Scope ............................................................................................... 4
General Description ......................................................................... 4
Receiving ......................................................................................... 5
Identification .................................................................................... 5
Lifting and Moving ........................................................................... 6
Indoor Switchgear ............................................................................ 6
Outdoor Switchgear ......................................................................... 7
Installation ................................................................................ 9-22
Indoor Foundations .......................................................................... 9
Bus Bar .......................................................................................... 23
Bus Joints ...................................................................................... 23
Bus Insulation ................................................................................ 26
Ground Connections ...................................................................... 31
Courtesy of NationalSwitchgear.com
Operating Sequence ...................................................................... 33
Cell Preparation ...............................................................................37
Shutter Operation .......................................................................... 38
Breaker Racking ............................................................................. 42
Trip-Free Interlock .......................................................................... 43
Inspection and Testing ................................................................... 44
Inspection ...................................................................................... 44
Testing ........................................................................................... 44
Maintenance ........................................................................... 45-47
Lubrication ..................................................................................... 46
Moving Parts .................................................................................. 46
Electrical Contacts ......................................................................... 46
Cleaning Insulation ......................................................................... 46
Equipment Surfaces ...................................................................... 47
Accessories ............................................................................. 48-49
Test Cabinet ................................................................................... 48
Lift Truck ........................................................................................ 48
Lift Sling ......................................................................................... 48
Cover 1571-95
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