864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
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Contents
Safety instructions ............................................. 6
1
Signal terms and definitions ............................... 6
2
General instructions ........................................... 7
3
Due application .................................................. 8
4
Qualified personnel ............................................ 8
Description ....................................................... 10
5
Features........................................................... 10
6
Panel types....................................................... 11
7
Examples for panel versions ............................. 12
8
Panel design..................................................... 20
8.1
Function .......................................................... 20
8.2
Subframe ......................................................... 20
8.3
Low-voltage compartment ............................... 20
8.4
Switchpanel pole.............................................. 20
8.5
Switchgear panel ............................................. 21
9
Circuit-breaker ................................................. 22
9.1
Design ............................................................. 22
9.2
Operating mechanism box................................ 23
9.3
Equipment ....................................................... 23
10
Disconnector and three-position
disconnector .................................................... 24
11
Make-proof busbar earthing switch .................. 27
12
Current and voltage transformers ..................... 28
12.1 Voltage transformers........................................ 28
12.2 Current transformers........................................ 29
13
Gas compartments ........................................... 30
14
Panel connection.............................................. 32
14.1 Features........................................................... 32
14.2 Panel connection versions for cable plugs ......... 32
15
Voltage detecting systems................................ 34
16
Aseismic design (option) .................................. 38
17
Accessories ...................................................... 39
17.1 Standard accessories ........................................ 39
17.2 Other accessories ............................................. 40
18
Technical data.................................................. 42
18.1 Electrical data................................................... 42
18.2 Vacuum circuit-breaker..................................... 42
18.3 Insulating gas SF6 ............................................ 44
18.4 Classification of 8DB10 according to
IEC 62 271-200 ................................................ 46
18.5 Standards, specifications, guidelines................. 46
18.6 Phase sequence................................................ 47
18.7 Gas leakage rate............................................... 47
18.8 Rating plates .................................................... 48
18.9 Overview of busbar covers................................ 49
Installation........................................................50
19
Constructional stipulations ............................... 50
19.1 Switchgear room.............................................. 50
19.2 Constructional data of the foundation .............. 53
19.3 Transport units................................................. 57
20
Before installation ............................................ 59
20.1 Preliminary clarifications................................... 59
20.2 Intermediate storage ........................................ 59
20.3 Tools/auxiliary means ....................................... 61
20.4 Installation and fixing material ......................... 62
20.5 Comments on electromagnetic compatibility .... 62
21
Unloading and erecting the transport units ....... 63
21.1 Packing and transport unit................................ 63
21.2 Checking the delivery for completeness and
transport damage............................................. 63
21.3 Checking the SF6 gas pressure.......................... 64
21.4 Unloading transport units................................. 65
21.5 Transporting the units to the place
of installation ................................................... 66
21.6 Setting down the transport units at the place
of installation ................................................... 68
21.7 Aligning the switchgear.................................... 70
22
Assembling the switchgear............................... 71
22.1 Preparing busbar assembly ............................... 71
22.2 Installing transport units................................... 74
22.3 Installing further transport units ....................... 77
22.4 Completing switchgear installation................... 77
23
Installation work with SF6 gas before
commissioning................................................. 84
23.1 Completing busbar assembly and filling
with SF6 gas .................................................... 84
23.2 Installing the panel connections supplied
in the accessories, and filling
the circuit-breaker housing with SF6 gas........... 87
24
Performing the power- frequency
voltage test ...................................................... 93
25
Installation work with SF6 gas after
the power-frequency voltage test ..................... 95
25.1 Installing solid-insulated bars at the panel
connection, and filling the circuit-breaker
housings with SF6 gas...................................... 95
26
Installing voltage transformers ......................... 96