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Ormazabal velatia cgmcosmos User Manual
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LIB
cgmc
osmos
Medium-voltage cubicles with full
insulation in SF
6
gas up to 24 kV in
accor
dance with IEC Standar
d
General Instruc
tions
IG-078-EN
, version 12, 23/04/2020
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 General Description
5
Models
5
Standards Applied
6
Main Components
7
Gas Tank
8
Driving Mechanism Compartment
8
Base
9
Name Plate
10
Electrical Specifications
11
Dimensions and Weights
12
Operating Conditions
14
2 Handling and Transport
15
Lifting Means
15
3 Storage
17
4 Installation
18
Unpacking the Equipment
18
Positioning Accessories During Transport
18
Minimum Installation Distances
20
Recommended Cable Connection Trenches
20
Cubicles with Internal Arc in Tank up to
21
Ka - 0.5 S
21
Cubicles with IAC Internal Arc Classification
25
Up to 25 Ka - 1 S
25
Floor Fastening
31
Floor Fastening on Profile
31
Fastening to the Floor by Anchoring
32
Connecting the Cubicles
39
Earthing the Switchgear
39
Cable Connections
40
Horizontal Front Connection
42
Vertical Front Connection
44
Assembling and Connecting Metering Transformers in Cgmcosmos-M
48
Assembling and Connecting Metering Transformers in Cgmcosmos-M-Pt
48
Assembling and Connecting Metering and Auxiliary Services Transformers in
48
Cgmcosmos-Ma
48
5 Recommended Sequence of Operations
49
Checking the Gas Pressure
49
Live Voltage Indicator
50
Phase Concordance Check
51
Feeder Function
52
MIMIC Diagram
52
Actuating Levers
52
Opening Operation from Earthing Position
53
Switch Closing Operation from Isolating
54
Position
54
Opening Operation from Closed Position
55
Earthing Operation from Open Position
56
Cable Test
57
Busbar Switch Function
58
MIMIC Diagram
58
Actuating Levers
58
Switch Closing Operation from Isolating
59
Position
59
Opening Operation from Closed Position
60
Busbar Switch Function with Earth
61
Connection
61
MIMIC Diagram
61
Actuating Levers
61
Opening Operation from Earthing Position
62
Switch-Disconnector Closing Operation
63
From Isolating Position
63
Opening Operation from Closed Position
64
Earthing Operation from Open Position
65
Busbar Rise Function with Earth Connection
66
MIMIC Diagram
66
Actuating Lever
66
Earthing Switch Opening Operation
67
Earthing Switch Connection Operation
68
Fuse Protection Function with BR Driving
69
Mechanism
69
MIMIC Diagram
69
Actuating Lever
70
Opening Operation from Earthing Position
71
Switch-Disconnector Closing Operation from Isolating Position and Spring Charge
72
Opening Operation from Closed Position
73
Earthing Operation from Open Position
74
Fuse Protection Function with AR Driving
75
Mechanism
75
MIMIC Diagram
75
Actuating Levers
76
Opening Operation from Earthing Position
76
Spring Charge Operation and Closing of the Switch from Isolating Position
77
Opening Operation from Closed Position
77
Earthing Operation from Open Position
78
Fuse Replacement Sequence
79
Selection of Recommended Fuses
83
Circuit-Breaker Function with AV/RAV Driving
84
Mechanism
84
MIMIC Diagram
84
Spring Charge and Actuating Levers
85
Opening Operation from Earthing Position
85
Closing Operation from Isolating Position
87
Opening Operation from Closed Position
90
Earthing Operation from Open Position
92
Circuit-Breaker Function with AV3 Driving
94
Mechanism
94
MIMIC Diagram
94
Spring Charge and Actuating Levers
95
Opening Operation from Earthing Position
95
Closing Operation from Isolating Position
97
Opening Operation from Closed Position
99
Earthing Operation from Open Position
100
Metering Function with Earthing Switch
101
MIMIC Diagram
101
Actuating Lever
102
Earthing Operation
102
Commissioning Operation
105
6 Safety Elements
106
Acoustic Earthing Prevention Alarm
106
Interlocks
106
Locking with a Padlock
106
Locking with a Lock
107
7 Maintenance
109
Live Voltage Indicator Test
109
Acoustic Earthing Prevention Alarm Test
110
Preventive Maintenance of the Cgmcosmos -V Cubicle with AV/RAV Driving Mechanism
111
8 Spares and Accessories
112
9 Environmental Information
116
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Ormazabal velatia cgmcosmos Specifications
General
Brand
Ormazabal
Model
velatia cgmcosmos
Category
Industrial Electrical
Language
English
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