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Ormazabal velatia cgm.3 system User Manual
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LIB
cgm
.3
sy
stem
Medium-voltage cubicles with int
egrat
ed
insulation in SF
6
gas up to 40.5 kV in
accor
dance with IEC Standar
d with rated
current up to 630 A.
General Instruc
tions
IG-136-EN
, version 13, 23/04/2020
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 General Description
5
Models
5
Standards Applied
5
Main Components
6
Gas Tank
7
Driving Mechanisms Compartment
7
Base
8
Name Plate
9
Ratings Table
10
Dimensions and Weights
11
Operating Conditions
12
2 Handling and Transport
13
Lifting Methods
13
3 Storage
15
4 Installation
16
Unpacking the Equipment
16
Positioning Accessories During Transport
16
Minimum Installation Distances
17
Recommended Cable Connection Trenches
18
Cubicles with Internal Arc in Tank up to
18
Ka - 0.5 S
18
Cubicles with Internal Arc Classification
21
IAC up to 25 Ka - 1 S
21
Floor Fastening
26
Floor Fastening on Profile
26
Floor Fastening by Anchoring
26
Connecting the Cubicles
31
Earthing the Switchgear
31
Cable Connections
32
Horizontal Front Connection
33
Cable Connection in Fuse Protection
35
Function 1400 MM High
35
Assembling and Connecting Metering
37
Transformers in Cgm.3-M
37
Assembling and Connecting Metering and Auxiliary Services Transformers in Cgm.3-Ma
37
5 Recommended Sequence of Operations
38
Checking the Gas Pressure
38
Live Voltage Indicator
39
Phase Concordance Check
40
Feeder Function
41
MIMIC Diagram
41
Actuating Levers
41
Opening Operation from Earthing Position
42
Switch Closing Operation from Isolating
43
Position
43
Opening Operation from Closed Position
44
Earthing Operation from Open Position
45
Cable Test
46
Busbar Switch Function
47
MIMIC Diagram
47
Actuating Lever
47
Switch Closing Operation from Isolating
48
Position
48
Opening Operation from Closed Position
49
Busbar Switch Function with Earth
50
Connection
50
MIMIC Diagram
50
Actuating Lever
50
Opening Operation from Earthing Position
51
Connecting the Switch-Disconnector from
52
Isolating Position
52
Opening Operation from Closed Position
53
Earthing Operation from Open Position
54
Busbar Rise Function with Earth Connection
55
MIMIC Diagram
55
Actuating Lever
55
Earthing Switch Opening Operation
56
Earthing Switch Closing Operation
57
Fuse Protection Function
58
MIMIC Diagram
58
Actuating Lever
58
Opening Operation from Earthing Position
59
Spring Charge Operation and Closing of the Switch-Disconnector from Isolating Position
60
Opening Operation from Switch-Disconnector
61
Closed Position
61
Earthing Operation from Open Position
62
Fuse Replacement Sequence
63
Selection of Recommended Fuses
66
Circuit-Breaker Function with AV/RAV Driving
67
Mechanism
67
MIMIC Diagram
67
Spring Charge and Actuating Levers
68
Opening Operation from Earthing Position
68
Closing Operation from Isolating Position
70
Opening Operation from Closed Position
72
Earthing Operation from Open Position
74
6 Safety Elements
76
Acoustic Earthing Prevention Alarm
76
Interlocks
76
Locking with a Padlock
77
Locking with a Lock
77
7 Maintenance
78
Live Voltage Indicator Test
78
Acoustic Earthing Prevention Alarm Test
79
Specific Maintenance for the Cgm.3-V
80
Cubicle
80
8 Spares and Accessories
81
9 Environmental Information
83
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Ormazabal velatia cgm.3 system Specifications
General
Brand
Ormazabal
Model
velatia cgm.3 system
Category
Industrial Electrical
Language
English
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