GE Limitamp CR194 - Table of Contents

TABLE OF CONTENTS
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..........
3
DESCRIPTION ......................................................................................................................................
.4
Equipment Identification- CR Number Designation..
................................................
4
General
...........................................................................................................................
5
Ratings
............................................................................................................................ 5
Basic Impulse
Level (BIL) ............................................................................................
5
Dielectric Test Voltage
.................................................................................................. 5
High-Voltage Vacuum Contactors
............................................................................... 5
Manual Disconnect (Isolation Switch)
........................................................................
6
Mechanical Interlocking
...............................................................................................
8
Auxiliary
Enclosures..
.................................................................................................... 8
Dimensions
...................................................................................................................
.8
Power Fuses
....................................................................................................................
8
Blown Fuse Indicator 8c Trip
........................................................................................
9
Power
Fuse Conversion Instructions.. ..........................................................................
9
INSTALLATION
...................................................................................................................................
11
General
.........................................................................................................................
11
Receiving
......................................................................................................................
11
Handling
......................................................................................................................
11
Placement
of Enclosure ..............................................................................................
11
Disassembly
..................................................................................................................
11
Contactor Removal
...................................................................................................... 12
Gaining Access
to Horizontal Bus for Splicing
......................................................... 14
Taping Instructions
for 5kV .......................................................................................
16
Reassembly
...................................................................................................................
16
Incoming
Power Connections ....................................................................................
17
Grounding
...................................................................................................................
17
Motor Cable Termination
..........................................................................................
18
Cable Termination Guidelines
...................................................................................
19
Control Connections
...................................................................................................
21
Mechanical Operation Check
....................................................................................
21
Vacuum Interrupter Integrity Test
............................................................................
24
Preparation of Controller for Operation
..................................................................
25
Megger Check
..............................................................................................................
25
OPERATION
......................................................................................................................................
26
Operation Under Test Power
.....................................................................................
26
Normal Operation
.......................................................................................................
26
Normal
High-Voltage
Door Opening Procedure
.....................................................
27
High-Voltage Door Defeater Latch
............................................................................
27
INSPECTION, MAINTENANCE & SERVICING
..............................................................................
28
Mechanical Operation Check
....................................................................................
28
Vacuum Interrupter Integrity Test
............................................................................
28
Vacuum Contactor
......................................................................................................
28
Isolation Mechanism
...................................................................................................
28
Torque Recommendations For Electrical Power Connections
............................... 30
Preventive Maintenance Guide
..................................................................................
30
2
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