IEC TS 61312-2:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Protection against lightning electromagnetic impulse (LEMP) - Part 2: Shielding of structures, bonding inside structures and earthing
Hardcopy , PDF
English - French
06-08-1999
17-01-2006
Foreword
1 General
1.1 Scope and object
1.2 Normative references
1.3 Terms and definitions
1.4 Symbols
2 Electromagnetic source and victim of interference
3 Gridlike spatial shields
3.1 Gridlike spatial shields in the case of nearby lightning
strikes
3.2 Gridlike spatial shields in the case of direct lightning
strikes
3.3 Gridlike spatial shields surrounding LPZ>2
3.4 Experimental evaluation of the magnetic field inside
gridlike spatial shields
3.5 Installation rules
4 Earthing system
4.1 Earth termination system
4.2 Bonding network
4.3 Combination of the earth termination system and the bonding
network
4.4 Example of shielding, bonding and earthing layout
Annex A (informative) Earthing and bonding definitions
Annex B (informative) Calculation of induced voltages and currents
into loops resulting from installations
B.1 Situation inside LPZ1 in case of nearby
lightning strikes
B.2 Situation inside LPZ1 in case of direct
lightning strikes
B.3 Situation inside LPZ>2
Annex C (informative) Calculation of the magnetic field inside gridlike
magnetic shields
Bibliography
Provides methods for the evaluation of the effectiveness of shielding measures against LEMP for structures with information equipment such as electronic systems in case of direct and nearby lightning strikes. In addition it provides rules for bonding measures inside structures and for earthing methods relating to LEMP.
| DocumentType |
Technical Specification
|
| Pages |
71
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PN IEC/TS 61312-2 : 2003 | Identical |
| NEN NPR IEC/TS 61312-2 : 1999 | Identical |
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