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IEC TS 61312-2:1999

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Protection against lightning electromagnetic impulse (LEMP) - Part 2: Shielding of structures, bonding inside structures and earthing
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

01-17-2006

Language(s)

English - French

Published date

08-06-1999

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

00/242566 DC : DRAFT JUN 2000
IEC TS 61312-3:2000 Protection against lightning electromagnetic impulse - Part 3: Requirements of surge protective devices (SPDs)
IEC TR 61000-5-6:2002 Electromagnetic compatibility (EMC) - Part 5-6: Installation and mitigation guidelines - Mitigation of external EM influences
PD IEC/TR 61400-24:2002 Wind turbine generator systems Lightning protection
PD IEC TR 61000-5-6:2002 Electromagnetic compatibility (EMC). Installation and mitigation guidelines Mitigation of external EM influences
CSA C61400-24 : 2007 WIND TURBINE GENERATOR SYSTEMS - PART 24: LIGHTNING PROTECTION
00/241233 DC : 0 IEC 61312-5 - PROTECTION AGAINST LIGHTNING ELECTROMAGNETIC IMPULSE (LEMP) - PART 5: APPLICATION GUIDE
05/30134962 DC : DRAFT JUN 2005 CENELEC TS 61643-22 - LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
IEC TR 61400-24:2002 Wind turbine generator systems - Part 24: Lightning protection
I.S. HD 60364-5-534:2008 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - ISOLATION, SWITCHING AND CONTROL - CLAUSE 534: DEVICES FOR PROTECTION AGAINST OVERVOLTAGES

IEC 61000-4-10 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-10: TESTING AND MEASUREMENT TECHNIQUES - DAMPED OSCILLATORY MAGNETIC FIELD IMMUNITY TEST
IEC 61024-1:1990 Protection of structures against lightning - Part 1: General principles
IEC TS 61312-4:1998 Protection against lightning electromagnetic impulse - Part 4: Protection of equipment in existing structures
IEC TR 61000-5-2:1997 Electromagnetic compatibility (EMC) - Part 5: Installation and mitigation guidelines - Section 2: Earthing and cabling
IEC 61000-4-9 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-9: TESTING AND MEASUREMENT TECHNIQUES - IMPULSE MAGNETIC FIELD IMMUNITY TEST
IEC 61312-1:1995 Protection against lightning electromagnetic impulse - Part 1: General principles

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