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PowlVac ARG 4 Series
Powell PowlVac ARG 4 Series User Manual
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Instruc
tion Bulletin - 01.4IB
.60306
P
o
wlV
ac
®
ARG & ARM Series 4
V
acuum Circuit Br
eak
ers
5kV & 15kV
1200A, 2000A, & 3000A
25kA, 36kA, 50kA, & 63kA
Pow
ered by Safet
y
®
2
Table of Contents
Table of Contents
5
Ch 1 General Information
11
S Cope
12
P Urpose
12
I Nstruction B Ulletins a Vailable E Lectronically
13
Associated B Ulletins
13
Ch 2 Safety
14
S Afe W Ork C Ondition
14
S Afety G Uidelines
15
G Eneral
16
S Pecific
16
X-R Ays
17
S Afety L Abels
17
Ch 3 Equipment Description
18
G Eneral
18
T He S Tored E Nergy M Echanism
18
Mechanical Description
18
Figure 1 Powlvac® ARG & ARM Series 4 Circuit Breaker Front View with Cover
19
Figure 3 Powlvac ARG & ARM Series 4 Circuit Breaker Rear View
21
Figure 4 Primary Current Closeups
22
Figure 5 Cam and Fundamental Linkage Positions
24
Figure 6 Mechanism and Trip Linkages
25
Figure 7 Operation Sequence
27
Figure 8 Typical Control Scheme
28
Electrical Description
29
A Utomatic R Acking M Echanism
30
Breaker Position Indicator
30
Interlocking
30
Blocking Interlock
31
Racking Mechanism
31
Ircuit Reaker Ompartment Nterfaces
32
Primary Disconnecting Devices
32
Secondary Disconnecting Devices
32
MOC (Mechanism Operated Cell Switch) Actuator
32
TOC (Truck Operated Cell Switch) Actuator
32
Ground Connection
32
Shutter Rollers
33
Anti-Rollout Latch
33
Acuum I Nterrupters
33
Acuum I Nterrupter C Onnection
33
25Ka, 36Ka, & 50Ka Rated Circuit Breakers
33
63Ka Rated Circuit Breakers
33
Ch 4 Installation
34
R Eceiving
34
Figure 9 Circuit Breaker in Shipping Carton
34
Figure 10 Circuit Breaker with Shipping Bracket
34
Andling
35
S Torage
35
Figure 11 Circuit Breaker on Crane
35
P Lacing the C Ircuit B Reaker I Nto S Ervice
36
High Voltage Insulation Integrity
36
Table a Field Dielectric Test Values
37
Vacuum Integrity
38
Control Voltage Insulation Integrity
39
Mechanical Operation Check
39
Electrical Operation Check
40
Figure 12 Secondary Disconnect Override Device
40
I Nserting the Ircuit Reaker Nto the Ircuit Reaker Ompartment
41
Prior to Inserting the Circuit Breaker into the Circuit Breaker Compartment
42
Test/Disconnected Position
43
Inserting the Circuit Breaker to the Connected Position
44
Emergency Racking in Procedure
44
R Emoving the C Ircuit B Reaker F Rom the C Ircuit B Reaker C Ompartment
45
Removing the Circuit Breaker from the Connected to the Test/Disconnected Position
45
Test/Disconnected Position out of the Circuit Breaker Compartment
46
Figure 13 Removing Circuit Breaker from Compartment
46
Emergency Racking out Procedure
47
Ch 5 Maintenance
48
G Eneral D Escription
48
Introduction
48
Inspection and Cleaning
49
M Echanism a Rea
49
Mechanical Operation
49
Lubrication
50
Figure 14 Lubrication (50Ka Shown)
52
Figure 15 Lubrication (50Ka Shown) (Cont.)
53
Closing Spring Removal
54
Figure 16 Main Closing Spring Assembly Compressed for Removal
54
Figure 17 Main Closing Spring Assembly Installed
54
Slow Closing of Mechanism
55
Mechanism Adjustments
55
Figure 18 Primary Trip Prop Adjustment
56
Figure 19 Feeler Gauge
57
Figure 20 Latch Check Switch Adjustment
58
Electrical Operation
60
Acuum I Nterrupter and C Ontact a Rea
60
Vacuum Interrupter and Contact Erosion
60
Vacuum Integrity
60
Mechanical Adjustment of Vacuum Interrupters
60
O Ptional Maintenance P Rocedures
60
High Potential Tests
60
Timing
61
Primary Resistance Check
61
Table C Timing
61
Table D Primary Resistance
61
Ch 6 Recommended Renewal Parts and Replacement Procedures
62
O Rdering I Nstructions
62
R Ecommended R Enewal P Arts
62
R Eplacement P Rocedures
62
Vacuum Interrupter Assembly
63
Sliding Contact Finger Assembly (for Circuit Breaker Rated up to 50Ka Only)
63
Closing Coil Assembly
63
Primary Shunt Trip Coil Assembly
63
Secondary Shunt Trip Coil Assembly
63
Undervoltage Device Assembly (UV)
63
Charging Motor Assembly
63
Anti-Pump Relay Assembly
64
Latch Check Switch
64
Motor Cutoff Switch Assembly
64
Auxiliary Switch
64
Ground Connection Assembly
64
Racking Motor
64
Table E Primary Current Path
65
Figure 21 Primary Current Path
66
Table F Control Devices
67
Figure 22 Control Devices
68
Table G Miscellaneous Parts
69
Table H Miscellaneous Parts (Cont.)
70
5
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Powell PowlVac ARG 4 Series Specifications
General
Brand
Powell
Model
PowlVac ARG 4 Series
Category
Circuit breakers
Language
English
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