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Instruc
tion Bulletin - 01.4IB
.67000
P
o
w
er/V
ac® Metal-
Clad S
witchgear
5kV & 15kV
20kA, 25kA, 31.5kA, 40kA, 50kA, & 63kA
1200A, 2000A, 3000A, 3500A, & 4000A FC
Po
wered by Safety
®
2
Table of Contents
Table of Contents
4
Ch 1 General Information
11
S Cope
12
P Urpose
12
I Nstruction B Ulletins a Vailable E Lectronically
12
Ch 2 Safety
13
S Afe W Ork C Ondition
13
S Afety G Uidelines
13
G Eneral
14
S Pecific
14
S Afety L Abels
14
Ch 3 Equipment Description
15
G Eneral
15
P Rimary Ompartment
15
Figure 1 Typical Indoor Power/Vac® Metal-Clad Switchgear Lineup
16
Figure
16
Figure 2 Typical Outdoor Power/Vac® Metal-Clad Switchgear Lineup
17
Figure 3 Interior Metal-Clad Switchgear (Lower Compartment)
18
Table a Standard Dimensions
18
S Econdary C Ompartment
19
B Reaker R Emovable E Lement
19
Table B Ratings of Medium Voltage Power/Vac Metal-Clad Switchgear
19
B Reaker L Ift T Ruck
20
Atings
20
Ighting I Mpulse W Ithstand (Bil)
20
Ircuit B Reaker R Acking M Echanism
20
E Lement
20
R Emote R Acking
21
P Rimary D Isconnect D Evices
21
B Us Ompartment
22
C Urrent T Ransformer C Ompartment
22
P Rimary Ermination Pace
22
Figure 4 Primary Disconnecting Device - 1200A
22
Figure 5 Primary Disconnecting Device - 3000A
22
Oltage Ransformers
23
C Urrent
23
T Ransformer
23
D Ummy R Emovable E Lement (T Ype Pvd)
23
G Round and Est Evice
24
Ch 4 Installation
25
G Eneral
25
R Eceiving
25
Andling
25
S Torage
26
D. Torage
26
Drawings and Diagrams
27
M Etal -C Lad S Witchgear
27
Installation Details for Indoor Power/Vac® Metal-Clad Switchgear
28
Figure 7 Installation Details for Indoor Power/Vac® Metal-Clad
29
Figure 8 Installation Details for Outdoor Power/Vac® Metal-Clad Switchgear
30
Figure 9 Installation Details for Outdoor Power/Vac® Metal-Clad Switchgear (Cont.)
31
Figure 10 Installation Details for Outdoor Power/Vac® Metal-Clad Switchgear with Protected Aisle
32
P Reparation of F Loor a Nchoring
33
Indoor Metal-Clad Switchgear
33
Figure 11 Typical Assembly Details
34
Figure 12 Typical Assembly Details (Cont.)
35
Outdoor Metal-Clad Switchgear
36
Outdoor Switchgear with Protected Aisle
36
Outdoor Switchgear with Common Aisle
37
Figure 13 Assembly of Outdoor Switchgear with Protected Aisle
38
Figure 14 Assembly of Outdoor Switchgear with Protected Aisle - (Cont.)
39
B Reaker Emovable Lement
40
T Est C Abinet
40
A Ddition of U Nits to E Xisting E Quipment
40
Adding Units to Outdoor Equipment Without a Protected Aisle
40
Adding Units to Outdoor Equipment with a Protected/Common Aisle
41
I Nstructions or
41
Introduction
41
Hipping S Plit S Ections
41
Main Bus Connections Across the Shipping Split
41
Figure 15 Front Upper Compartment
42
Figure 16 View Looking up into Front Bottom Compartment of a 2-High
42
Figure 17 Taptite Location in Front Upper Compartment
42
Figure 18 View of Typical Front Lower Breaker Compartment
42
Figure 19 View of Typical Front Lower PT/CPT Rollout Compartment
43
Figure 20 View of Main Bus Compartment from Front
43
Figure 21 Location of Tape
43
Figure 22 Typical Bus Compartment with Polyester Glass Inter-Unit Bus Support
44
Figure 23 View Showing Stacks Bolted Together
44
Tie Bus Connections Across the Shipping Split
45
Figure 24 Single Bus Bar Arrangement
45
Figure 25 Double Bus Bar Arrangement
45
Figure 26 Typical Rear Tie Bus Compartment with Bus Barrier Removed
45
I Nstructions for Olting
46
Introduction
46
Ogether a Crosss Hipping S Plit S Ections
46
Figure 27 Sectional View of Inter-Unit Bolting
47
Figure 28 Typical Center Post Bolting
47
C Onnections
48
Main Bus Bars
48
Figure 29 Ground Bus Splice Bolt Assembly
48
Sliding Connections
49
Ain Us Ssembly
49
Table C Bolt Torque Values for Power/Vac® Medium Voltage Metal-Clad Switchgear
49
Wrapping of Joints
50
Figure 30 Insulation of Bus Bar
50
Table D Bus Wrapping Components
50
Table E Insulation of Bus Bar
50
Table F Insulation of Single Bus Bar Connection Joint
51
Table G Insulation of Double Bus Bar Connection Joint
51
Figure 31 Single Bus Bar Connection Joint
51
Figure 32 Double Bus Bar Connection Joint
51
Figure 34 Dead End Bus Joint Insulation
52
Table H Insulation of Tee Connection Joint
52
Table I Insulation of Dead End Bus Joint
52
Cleaning Bus Insulation
53
P Rimary C Ables
53
Figure 35 Installation of Primary Cables
53
I Nsulating P Rimary C Able T Erminations
54
Figure 36 Cable Termination Joint
55
Figure 33 Tee Connection Joint
52
Table J Cable Termination Joint
55
G Round F Ault C Urrent T
56
Figure 37 Rear View of Unit Showing Ground Fault Current Transformer
56
Figure 38 Bar-Type Current Transformer Joint Insulation
56
Table K Bar-Type Current Transformer Joint Insulation
56
C Ontrol C Ables
57
G Round B Us
57
S Urge Rotection
57
R Oof E Ntrance B Ushings
58
Esting and I Nspection
58
Figure 39 Roof Bushing
58
Table L Pothead, Bushing, or Terminator
58
Ch 5 Operation
60
G Eneral
60
I Nserting the R Emovable E Lement I Nto the C Ompartment
60
B Reaker R Acking with F Ront D Oor C Losed
62
Figure 40 Lift Truck
62
R Emote R Acking D Evice
63
P Ositive I Nterlock
63
N Egative I Nterlock
63
S Pring Ischarge Nterlock
64
I Nterlock
64
I Nterference I Nterlock
65
C Losing S Pring GAG I Nterlock
65
Figure 41 Left Side Racking Rail
66
Figure 42 Right Side Racking Rail
66
K Ey Ocks
67
Adlocks
67
S Tationary a Uxiliary Switch
67
B Reaker P Osition Switch
67
S Pace H Eaters
67
Figure 43 Stationary Auxiliary Switch & Circuit Breaker Position Indicator
67
K. P Adlocks
67
Ch 6 Maintenance
69
G Eneral
69
O Verall M Aintenance P Rocedures
69
Equipment
69
Bus Insulation
69
Racking Mechanisms
70
Primary Disconnect Device Contacts
70
Disconnecting Contacts
70
Control Contacts
70
Secondary Wiring
70
Mechanical Parts
70
Ventilation
70
Battery and Charging Equipment
71
Hardware
71
Heaters
71
Testing
71
Abnormal Conditions
72
Doors
72
Ch 7 Recommended Renewal Parts and Replacement Procedures
73
O Rdering I Nstructions
73
R Ecommended R Enewal P Arts
73
Table M Accessories
74
5
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Powell Power/Vac Specifications
General
Brand
Powell
Model
Power/Vac
Category
Industrial Electrical
Language
English
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