ABB Electrical Installation Handbook, 2004 کتاب

ABB Electrical Installation Handbook, 2004

Second Edition

Protection and Control Devices

سرفصلها

1 Standards
1.1 General aspects .............................................................................. 3
1.2 IEC Standards for electrical installation .......................................... 15
2 Protection and control devices
2.1 Circuit-breaker nameplates ........................................................... 22
2.2 Main definitions ............................................................................. 25
2.3 Types of releases .......................................................................... 28
3 General characteristics
3.1 Electrical characteristics of circuit breakers ................................... 38
3.2 Trip curves ....................................................................................49
3.3 Limitation curves .........................................................................107
3.4 Specific let-through energy curves .............................................. 134
3.5 Temperature derating ..................................................................160
3.6 Altitude derating .......................................................................... 175
3.7 Electrical characteristics of switch disconnectors ........................176
4 Protection coordination
4.1 Protection coordination ............................................................... 182
4.2 Discrimination tables ................................................................... 189
4.3 Back-up tables ........................................................................... 214
4.4 Coordination tables between circuit breakers and
switch disconnectors ..................................................................218
5 Special applications
5.1 Direct current networks ............................................................... 222
5.2 Networks at particular frequencies; 400 Hz and 16 2/3 Hz .......... 233
5.3 1000 Vdc and 1000 Vac networks .............................................. 250
5.4 Automatic Transfer Switches .......................................................262
6 Switchboards
6.1 Electrical switchboards ............................................................... 271
6.2 MNS switchboards .....................................................................279
6.3 ArTu distribution switchboards .................................................... 280
Annex A: Protection against short-circuit effects inside
low-voltage switchboards .................................................. 283
Annex B: Temperature rise evaluation
according to IEC 60890 .......................................................292