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3AP2-FI
Siemens 3AP2-FI User Manual
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25
3 Description
18.20
18.14
18.2
18.1
18.3
1000661a
18.1 Motor
18.14 Charging
shaft
18.2 Charging
gear
18.20 Cam
18.3 Free-wheel
Fig. 8
Function of the
free-wheel: Charging of
the closing
spring
18.4
1000810a
18.14 Charging
shaft
18.17 Closing
latch
18.23 Roller
18.31
Mechanical closing interlock
18.4 Closing
spring
18.6 Cam
disc
Fig. 9
Function diagram of
closing and openin
g latching:
OPEN position, closing spri
ng charged
25
27
Table of Contents
Default Chapter
4
Table of Contents
4
1 Contents
7
2 General
7
Introduction
7
Arrangement of the Operating Instructions
7
Communication by Means of the Operating Instructions
7
Safety Instructions
8
3 Description
9
Technical Data
9
Standards, Regulations
9
Operating Temperatures
9
Insulation Rating
10
Electrical Data
10
Operating Times
11
Arc Quenching Medium SF
12
Auxiliary Switch
12
Anti-Condensation Heaters
13
Reference Contact
13
Further Technical Data
13
Circuit-Breaker
14
Pole Column
16
3.4 Interrupter Unit
18
Arc Quenching
20
Spring Drive Mechanism of the Circuit-Breaker
22
Charging the Closing Spring
22
Closing
22
Opening
23
Operating Sequence
23
Function of the Spring Drive Mechanism
24
Charging the Closing Spring
24
Closing
27
Tripping
32
Control
33
Spring Winding Mechanism
34
Gas Monitoring
34
Lockouts
37
Motor Control
37
Anti-Condensation Heaters
37
Signals
37
Free Auxiliary Switch Contacts
38
Operating Cycle Counter
38
Reference Contact
39
Introduction
39
4 Installation
41
Safety Rules for Installation
41
Delivery and Storage
44
Packing
44
Checking on Arrival
44
Storage
44
Cleaning Liquids, Lubricants and Corrosion Protection Agents
46
Cleaning Liquids
46
Lubricants and Corrosion Protection Agents
47
General Instructions for Installation
48
Installation of the Circuit-Breaker
49
Requirements for Assembly
49
Assembly on Supporting Pillars at the Place of Installation
49
Assembly Overview
50
Disassembling the Insulator Column Kit
50
Assembly of the Control Cubicle
53
Assembly of the Operating Mechanism Cubicles
54
Assembling the Insulator Column
55
Erecting the Double-Break Assembly
59
Lifting Plate
65
Coupling the Operating Mechanism
66
Connecting the Gas Pipes
67
Earthing and Connecting the Leads
69
Earthing
69
Work on High-Voltage Terminals
69
Connecting the Leads
70
Filling the Circuit-Breaker with Gas
71
Evacuating
71
Filling the Breaker from the Gas Cylinder
71
Leakage Test after Installation
73
Carrying out Test Operations
74
Checks before Commissioning
76
Anti-Condensation Heaters
76
Test of Wiring between Substation and Circuit-Breaker
76
Commissioning Report
76
5 Operation
77
Instructions for Operation
77
Closing and Opening
77
SF 6 Pressure
77
General Lockout
78
Mechanical Reclosing Lockout
78
Max. Permissible Number of Interruptions
78
Recommended Procedure in the Event of Irregularities on the Circuit-Breaker
81
Disposing of High-Voltage Switching Devices and Systems
83
6 Maintenance
84
Inspection and Maintenance - General
84
Maintenance Services (Schedule)
84
Assignment of Personnel
84
Maintenance Kits
84
Initial Date for Inspection and Maintenance Service
85
Disturbances
85
Points to be Noted
85
Safety Rules for Inspection and Maintenance Service - General
86
Maintenance Schedule
89
Work to be Carried out in Accordance with the Maintenance Schedule
90
General Inspection
90
Drawing off the SF Gas
91
Check of Contact System
91
Evacuating and Filling the Circuit-Breaker with Gas
93
Check Gas Pressure Gauge
96
Testing the Density Monitor
96
Check for Leaks on Operational Circuit-Breaker
97
Checks at Drive Mechanism
98
Terminal Strip
100
Anti-Condensation Heaters
100
Function Checks
100
Check of Motor Control
101
Measuring the SF Gas Humidity Content
101
Measuring the SF Air Content
101
Anti-Corrosion Protection
102
Special Occurrences
102
Commissioning Report for the Circuit-Breaker 3AP
103
5
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Siemens 3AP2-FI Specifications
General
Brand
Siemens
Model
3AP2-FI
Category
Circuit breakers
Language
English
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