Siemens NXAIR Installation Instructions Manual page 5

Medium-voltage switchgear
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8.4
ventilation system type II.................................................................................................................... 129
8.5
voltage transformer compartment ....................................................................................................... 133
9
Accessing the connection compartment through the rear ............................................................ 140
9.1
9.2
Accessing the connection duct through the rear side of the panel ........................................................ 146
10 Electrical connections ..................................................................................................................... 149
10.1
Checking the contact surfaces ........................................................................................................... 149
10.2
Cutting the rubber sleeves to size ...................................................................................................... 150
10.3
Use of cable lugs ............................................................................................................................... 151
10.4
Cable clamps .................................................................................................................................... 152
10.5
Cable sealing ends ............................................................................................................................ 153
10.6
Dimensions of single-core cables ....................................................................................................... 154
10.7
Dimensions of three-core cables ........................................................................................................ 156
10.8
width 435 mm)................................................................................................................................... 157
10.9
10.10
width 435 mm)................................................................................................................................... 161
10.11
10.12
Connecting control cables .................................................................................................................. 171
10.13
Connecting bus wires ........................................................................................................................ 171
11 Closing the connection compartment / connection duct ............................................................... 172
11.1
Installing the vertical partition in the switching-device compartment ..................................................... 173
11.2
11.3
11.4
switching-device compartment ........................................................................................................... 186
11.5
Installing the rear wall on the connection compartment ....................................................................... 193
11.6
Installing the rear walls on the connection duct ................................................................................... 197
12 Final assembly work ........................................................................................................................ 199
12.1
Cleaning the switchgear ..................................................................................................................... 199
12.2
Tightening torques and control tightening torques for bolted joints .............................................................. 200
12.3
12.4
Checking the panel connection links ................................................................................................... 201
12.5
Checking the installation of the wiring duct covers .............................................................................. 201
12.6
Checking control cable connections ................................................................................................... 201
12.7
compartment ..................................................................................................................................... 201
12.8
Checking the rear wall at the connection compartment........................................................................ 201
12.9
Checking the bushings....................................................................................................................... 201
12.10
12.11
Checking the service truck ................................................................................................................. 202
12.12
corrosion) .......................................................................................................................................... 203
12.13
High-voltage door with ventilation flap ................................................................................................ 203
12.14
Checking assembly work ................................................................................................................... 204
12.15
Correcting circuit diagrams ................................................................................................................ 204
12.16
Installation report ............................................................................................................................... 204
13 Installation of withdrawable parts / switching-device trucks ......................................................... 205
13.1
......................................................................................................................................................... 205
13.2
Removing the locking bolts ................................................................................................................ 205
14 Commissioning procedure .............................................................................................................. 206
14.1
Safety instructions ............................................................................................................................. 206
14.2
Update of the firmware of protection relays ......................................................................................... 206
14.3
Drying dampness .............................................................................................................................. 207
14.4
Instructing the operating personnel..................................................................................................... 207
14.5
Checking the accessories .................................................................................................................. 207
14.6
Checking the interlocks mechanically ................................................................................................. 207
14.7
Test operation ................................................................................................................................... 208
14.8
Switching on operational high voltage................................................................................................. 209
110-0084.9 / 15
NXAIR /
40 kA
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