IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems

IEEE Std 142-2007 Front Cover......Page 1
IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems......Page 3
Abstract/Keywords......Page 4
Introduction/Notice to users......Page 6
Participants......Page 7
Contents......Page 9
1.1 Introduction......Page 11
1.2 Definitions......Page 12
1.3 Purposes of system grounding......Page 14
1.4 Methods of system neutral grounding......Page 15
1.5 Obtaining the system neutral......Page 32
1.6 Location of system grounding points......Page 38
1.7 Grounding of industrial and commercial generators......Page 48
1.8 Autotransformers......Page 58
1.9 System grounding for uninterruptible power systems......Page 63
1.10 Portable mining equipment supply systems......Page 67
1.11 Creation of stray currents and potentials......Page 70
1.12 Avoiding common-mode noise......Page 72
1.13 Limiting transferred earth potentials......Page 73
1.14 “Resonantly” produced voltages......Page 74
1.15 Grounding of dc power systems......Page 76
1.16 Normative references......Page 80
1.17 Bibliography......Page 83
2.1 Basic objectives......Page 85
2.2 Fundamental concepts......Page 87
2.4 Outdoor open-frame substations......Page 105
2.5 Unit substations......Page 109
2.6 Installations serving heavy portable electric machinery......Page 110
2.7 Interior wiring systems......Page 114
2.8 Interior unit substations and switching centers......Page 120
2.9 Utilization equipment......Page 121
2.10 Normative references......Page 124
2.11 Bibliography......Page 126
3.2 Static grounding......Page 129
3.3 Lightning protection grounding......Page 150
3.4 Normative references......Page 166
3.5 Bibliography......Page 169
4.1 Resistance to earth......Page 171
4.2 Ground electrodes......Page 179
4.3 Methods and techniques of construction......Page 184
4.4 Measurement of resistance to earth......Page 186
4.5 Normative references......Page 192
5.2 Definitions......Page 197
5.3 History of computer grounding......Page 198
5.4 System or equipment to be grounded......Page 200
5.5 Grounding electronic equipment......Page 201
5.6 Effects of internal rectifiers in computers......Page 210
5.7 Grounding of shields......Page 211
5.8 Interference from radio frequencies......Page 214
5.9 Case histories......Page 215
5.10 Normative references......Page 217
5.11 Bibliography......Page 218
A–E......Page 221
F–G......Page 222
H–R......Page 223
S–T......Page 224
U–Z......Page 225