Content
6 NXAIR / ≤ 40 kA 110-0134.9 / 14
14.13 Earthing the feeder manually .......................................................................................................................169
14.14 De-earthing the feeder manually ..................................................................................................................171
14.15 Removing the low-voltage connector ...........................................................................................................173
14.16 Plugging o the low-voltage connector ..........................................................................................................175
14.17 Taking the contactor truck out of the panel ..................................................................................................177
14.18 Inserting the contactor truck in a panel ........................................................................................................180
14.19 Replacing HV HRC fuse-links ......................................................................................................................190
14.20 Motor starting currents .................................................................................................................................198
14.21 Coordinating the components of the motor circuit ........................................................................................198
14.22 Replacing protection fuse-links for the control transformer ..........................................................................199
15 Operating the busbar connection panel type I .................................................................................. 203
15.1 Control elements at the front side of the panel .............................................................................................203
15.2 Position indicator visible on high-voltage door .............................................................................................203
15.3 Access to compartments ..............................................................................................................................204
15.4 Opening or closing the high-voltage door ....................................................................................................204
15.5 Racking the withdrawable metering part / metering truck ............................................................................204
15.6 Removing or plugging on the low-voltage connector ...................................................................................204
15.7 Taking the withdrawable metering part / metering truck out of a panel or inserting in a panel .....................205
15.8 Replacing protection fuse-links ....................................................................................................................205
16 Operating the busbar connection panel type II ................................................................................. 210
16.1 Panel front....................................................................................................................................................210
16.2 Opening the high-voltage door .....................................................................................................................210
16.3 Closing the high-voltage door ......................................................................................................................211
17 Operating the busbar current metering panel ................................................................................... 213
17.1 Panel front....................................................................................................................................................213
17.2 Opening the high-voltage door .....................................................................................................................213
17.3 Closing the high-voltage door ......................................................................................................................214
18 Operating the switch-disconnector panel.......................................................................................... 216
18.1 Control elements at the front side of the panel .............................................................................................216
18.2 Position indicators visible on high-voltage door ...........................................................................................217
18.3 Access to compartments ..............................................................................................................................217
18.4 Opening the high-voltage door .....................................................................................................................217
18.5 Closing the high-voltage door ......................................................................................................................219
18.6 Operating the switch-fuse combination to CLOSED position .......................................................................221
18.7 Operating the switch-disconnector to OPEN position ..................................................................................224
18.8 Operating lever for earthing switch ..............................................................................................................226
18.9 Earthing the feeder manually .......................................................................................................................227
18.10 De-earthing the feeder manually ..................................................................................................................230
18.11 Replacing HV HRC fuse-links ......................................................................................................................233
19 Operating the removable voltage transformers ................................................................................ 239
19.1 Control elements on the door to the voltage transformer compartment .......................................................239
19.2 Opening the door to the voltage transformer compartment ..........................................................................239
19.3 Closing the door to the voltage transformer compartment ...........................................................................241
19.4 Racking the removable voltage transformers to service position .................................................................242
19.5 Racking the removable voltage transformers to test position .......................................................................246
19.6 Taking the removable voltage transformers out of the panel .......................................................................249
19.7 Inserting the removable voltage transformers in a panel .............................................................................253
19.8 Replacing protection fuse-links ....................................................................................................................258
20 Verifying safe isolation from supply .................................................................................................. 265
20.1 Application of voltage indicators ...................................................................................................................265
20.2 Overview of voltage indicating systems .......................................................................................................265
20.3 LRM system overview ..................................................................................................................................266
20.4 Verifying proper functioning of LRM-ST voltage indicator ............................................................................267
20.5 Verifying safe isolation from supply with the LRM device system ................................................................268
20.6 CAPDIS and VOIS systems overview ..........................................................................................................269
20.7 Verifying safe isolation from supply with the CAPDIS or VOIS device system .............................................272
20.8 Supplier information .....................................................................................................................................272
21 Earthing and de-earthing the busbar system .................................................................................... 273
21.1 Earthing the busbar system manually ..........................................................................................................273
21.2 De-earthing the busbar system manually .....................................................................................................278
22 Operating the shutters ......................................................................................................................... 283
22.1 Operating the shutter to the busbar compartment in the switching-device compartment .............................283
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