Table Of Contents - Siemens NXPLUS C Installation And Operating Instructions Manual

Contents
Safety instructions ............................................. 5
1 Signal terms and definitions ............................... 5
2 General instructions ........................................... 6
3 Due application .................................................. 7
4 Qualified personnel ............................................ 7
Description ......................................................... 8
5 Features............................................................. 8
6 Panel types....................................................... 10
7 Examples for panel versions ............................. 11
8 Components .................................................... 13
8.1 Circuit-breaker ................................................. 13
8.2 Three-position disconnector ............................. 15
8.3 Operating mechanisms for the three-position
disconnector .................................................... 16
8.4 Three-position switch-disconnector .................. 17
8.5 Operating mechanisms of three-position
switch-disconnectors........................................ 18
8.6 Voltage transformers........................................ 19
8.7 Current transformers ........................................ 20
8.8 Busbar system .................................................. 21
8.9 Cable connection ............................................. 22
8.10 Ready-for-service indicator ............................... 25
8.11 Interlocks ......................................................... 26
8.12 Voltage detecting systems ................................ 27
8.13 Short-circuit/earth-fault indicator
(ring-main panel) ............................................. 31
8.14 Accessories ...................................................... 32
9 Technical data .................................................. 36
9.1 Complete switchgear........................................ 36
9.2 Classification of NXPLUS C Wind according to
IEC 62 271-200 ................................................ 38
9.3 Standards, specifications, guidelines................. 39
9.4 Rating plates .................................................... 40
9.5 Vacuum circuit-breaker..................................... 41
9.6 Three-position disconnector for circuit-breaker
panels and disconnector panels 630 A / 800 A /
1000 A............................................................. 44
9.7 Three-position switch-disconnector .................. 44
9.8 Endurance classes ............................................ 44
10 End of service life ............................................. 46
Installation ....................................................... 47
11 Constructional stipulations ............................... 47
11.1 Switchgear room.............................................. 47
802-9074.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C Wind • Revision 05
11.2 Constructional data of the foundation .............. 48
11.3 Transport units................................................. 57
12 Before installation ............................................ 59
12.1 Preliminary clarifications................................... 59
12.2 Intermediate storage ........................................ 59
12.3 Tools/auxiliary means ....................................... 60
12.4 Installation and fixing material ......................... 60
12.5 Comments on electromagnetic compatibility .... 61
13 Unloading and erecting the switchgear............. 62
13.1 Packing and transport unit................................ 62
13.2 Completeness and transport damages .............. 62
13.3 Unloading transport units................................. 63
13.4 Transport to the place of installation
(switchgear room)............................................ 63
13.5 Checking the ready-for-service indicator ........... 67
14 Assembling the switchgear............................... 69
14.1 Bolting panels together .................................... 69
14.2 Fastening the switchgear to the foundation...... 72
14.3 Assembling the busbars.................................... 72
14.4 Installing busbar voltage transformers .............. 80
14.5 Installing the earthing busbar ........................... 88
14.6 Switchgear earthing ......................................... 89
14.7 Installing low-voltage compartments ................ 90
14.8 Busbar covers................................................... 90
14.9 Installing the switchgear termination................ 91
14.10 Extension with individual panels....................... 91
15 Electrical connections....................................... 93
15.1 Installation work at the pressure-resistant floor
cover ............................................................... 93
15.2 Connecting cable T-plugs ................................. 99
15.3 Cable connection with cable-type current
transformers .................................................. 105
15.4 Connecting surge arresters ............................. 108
15.5 Connecting auxiliary circuits ........................... 109
16 Installation of designs with degree of
protection IP31D
(low-voltage compartment)............................ 114
16.1 IP31D - protection against vertically
falling water drops ......................................... 114
17 Commissioning .............................................. 118
17.1 Final work ...................................................... 118
17.2 Checking the accessories ................................ 120
17.3 Instructing operating personnel...................... 120
17.4 Function test / Test operation ......................... 120
3/172