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8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
Routing of currents and bars in the
metering panel ..............................................89
Mounting the instrument transformers ...........89
Connecting the current transformers ..............91
Connecting the voltage transformers ..............92
Connecting high-voltage cables in the
metering panel ..............................................95
Mounting the spherical connection bolts .........96
Laying wires of secondary equipment .............97
Mounting earthing accessories in the
metering panel ..............................................98
7.20.10 Installing floor plates in metering panels .......100
7.21
Electrical connections ..................................102
Safety instructions .......................................102
Connecting high-voltage cables ....................103
Installing cable plugs type Raychem
RICS5xxx with RDA.......................................104
Mounting the cable-type current
transformers ...............................................106
Cable installation in switchgear with
pressure absorber (IAC up to 16 kA and
21 kA).........................................................109
Installing ring-core current sensors at the
cable connection .........................................110
Installing voltage sensors .............................112
Mounting voltage transformers 4MT8 at
the cable feeder...........................................113
Removing the voltage transformers from
the busbar...................................................118
7.21.10 Installing voltage transformers at the
busbar ........................................................121
7.21.11 Connecting the secondary equipment ...........124
7.22
Recurring activities ......................................125
Removing and mounting the cable
compartment cover .....................................125
Removing and mounting the cross member...126
Removing and mounting the front cover .......127
Commissioning..................................... 129
Safety instructions .......................................129
Final checks after installation........................129
Test operation and mechanical function
test.............................................................130
Electrical function test..................................130
Changing the setting of the undervoltage
release ........................................................130
Preparing the power-frequency voltage
test.............................................................131
Instructing the operating personnel ..............131
Applying operating voltage ..........................131
After commissioning ....................................132
Operation .............................................. 133
Safety instructions .......................................133
Indicators and control elements....................134
Position indicators .......................................135
Operations counter ......................................135
"Fuse tripped" indicator ................................135
"Spring charged" indicator ............................135
Ready-for-service indicator ...........................135
Operating levers ..........................................136
Hand crank..................................................136
Mechanical interlocking with padlock............137
Locking device for pushbutton......................137
Local-remote switch (option)........................137
Momentary-contact rotary control switch
for motor operating mechanism (option) ......138
Key-operated interlock (option) ....................138
Operating the panel types (overview)............138
Operating the panel with switch-
disconnector ...............................................139
Switching the three-position switch-
disconnector from OPEN to CLOSED
position ......................................................139
Switching the three-position switch-
disconnector from CLOSED to OPEN
position ......................................................140
Switching the three-position switch-
disconnector from OPEN to EARTHED
position ......................................................141
Switching the three-position switch-
disconnector from EARTHED to OPEN
position ......................................................141
Operating the panel with switch-fuse
combination................................................142
Switching the three-position switch-
disconnector from OPEN to CLOSED
position ......................................................143
Switching the three-position switch-
disconnector from CLOSED to OPEN
position ......................................................144
Switching the three-position switch-
disconnector from OPEN to EARTHED
position ......................................................144
Switching the three-position switch-
disconnector from EARTHED to OPEN
position ......................................................145
Protection tripping of the switch-fuse
combination................................................145
Operating the panel with circuit-breaker
type 2 .........................................................146
Charging the spring energy store in circuit-
breaker type 2 manually...............................146
Closing circuit-breaker type 2 .......................147
Opening circuit-breaker type 2......................148
L2: Switching the three-position
disconnector from OPEN to CLOSED
position ......................................................148
L2: Switching the three-position
disconnector from CLOSED to OPEN
position ......................................................149
Содержание 8DJH
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