Contents
About these Instructions .........................6
Symbols used ..................................................6
Instruction concept ..........................................6
Safety instructions....................................8
General instructions.........................................8
Due application ...............................................8
Changes to the product....................................8
Operator commitment .....................................8
Qualified personnel .........................................9
Personal protective equipment (PPE) .................9
IT security .......................................................9
Hazardous substances......................................9
Description .............................................. 10
Panel types....................................................10
Panel design..................................................11
Three-position switch-disconnector.................12
Vacuum circuit-breaker type 2 ........................13
Vacuum circuit-breaker type 1.1 .....................13
Interlocks ......................................................14
HV HRC fuse assembly....................................15
Cable connection...........................................16
Cable connection for cable feeders, ring-
main feeders and circuit-breaker feeders .........16
Cable connection for transformer feeders........17
Recommended cable plugs .............................18
Single cable connection with voltage
transformer 4MT8 (interface type C) ...............20
Deep cable compartment cover ......................21
Pressure relief................................................23
Protection and control equipment...................24
Voltage detecting systems..............................24
Ready-for-service indicator .............................24
Short-circuit indicators and earth-fault
indicators ......................................................25
Low-voltage compartment (option) ................25
Accessories ...................................................26
Technical data ........................................ 27
General technical data ...................................27
Three-position switch-disconnector.................28
Three-position disconnector ...........................29
Vacuum circuit-breaker ..................................30
Current and voltage transformers ...................33
Classification of the switchgear.......................33
Standards and guidelines ...............................34
Dimensions and weights ................................35
Phase sequence .............................................37
Insulating gas ................................................37
Dielectric strength and site altitude .................37
Selection of HV HRC fuse-links ........................38
Rating plates .................................................46
Transport ................................................. 47
Safety instructions .........................................47
Transport unit ...............................................47
Checking the delivery.....................................47
Unloading and transporting the switchgear .....48
Unpacking the switchgear for installation ........50
Storage..................................................... 51
Installation .............................................. 53
Safety instructions .........................................53
Tools and auxiliary means ..............................53
Cleaning agents.............................................53
Mounting paste .............................................54
Tightening torques ........................................54
Comments on electromagnetic
compatibility .................................................54
Preparing the switchgear room .......................55
Preparing the foundation ...............................56
Checking service readiness .............................57
Removing the transport eyes and transport
blocks ...........................................................58
Installing the pressure relief duct for the
pressure absorber system (IAC up to 16 kA) .....58
Installing the base and the pressure relief
duct for the pressure absorber system (IAC
up to 21 kA) ..................................................59
Installing the top pressure absorber unit
(IAC up to 21 kA) ...........................................64
Pressure absorber top unit with low-
voltage compartment ....................................64
Mounting the retaining bracket ......................65
Mounting the front covers..............................65
Mounting the lateral parts ..............................66
Mounting the absorber collar..........................66
Fastening the panel to the foundation ............68
Floor openings and fixing points .....................69
Joining the panels..........................................73
Lining up panels with busbar coupling ............75
Lining up panels without busbar coupling .......79
Bolting panels together ..................................80
Mounting the busbar termination ...................81
Earthing the switchgear .................................85
Earthing the extendable switchgear ................85
Earthing the non-extendable switchgear .........86
Interconnecting the earthing busbars..............86
Installing the low-voltage compartment ..........87
Installing the metering panel ..........................88
Mounting positions for instrument
transformers in the metering panel type M ......88
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500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
Summary of Contents for 8DJH
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