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IEC TR 62066:2002

Current
Current

The latest, up-to-date edition.

Surge overvoltages and surge protection in low-voltage a.c. power systems - General basic information
Available format(s)

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

Language(s)

English

Published date

06-24-2002

Foreword
1 Scope
2 Reference documents
3 Definitions
4 Overvoltages in low-voltage systems
5 Lightning overvoltages
   5.1 General
   5.2 Origin of lightning surge overvoltages
   5.3 Lightning surges transferred from MV systems
   5.4 Surges caused by direct flash to LV lines
   5.5 Lightning surges induced into LV systems
   5.6 Examples of induced overvoltages
   5.7 Overvoltages caused by flashes to the structures
        or in close vicinity
   5.8 Recapitulation on lightning overvoltages
6 Switching overvoltages
   6.1 General
   6.2 Operation of circuit-breakers and switches
   6.3 Operation of fuses
   6.4 Frequency of occurrence
   6.5 Interactions with surge-protective devices
   6.6 Recapitulation on switching overvoltages
7 Temporary overvoltages
   7.1 General
   7.2 Magnitude of temporary overvoltages due to MV and
        LV faults
   7.3 Temporary overvoltages due to defects in the LV
        electrical installation
   7.4 Probability of occurrence and severity of harm
   7.5 Recapitulation on temporary overvoltage
8 System interaction overvoltages
   8.1 General
   8.2 Interaction between power system and communications
        system
   8.3 Other interactions
   8.4 Recapitulation on system interactions
9 Observations on surge overvoltages and failure rates
   9.1 General
   9.2 Using field failure data
   9.3 Recapitulation of observations on failure rates
10 Considerations on system outage/equipment failure/fires
   10.1 General
   10.2 Avoiding interference in system operation
   10.3 Preventing permanent damage
   10.4 Costs of surge-related interruptions and failures
   10.5 Recapitulation on outages and failures
11 Considerations on the use of surge protection
   11.1 General
   11.2 Power system configuration
   11.3 Types of installation
   11.4 Occurrence of surges
   11.5 SPD disconnector
   11.6 Risk assessment
   11.7 Recapitulation on the need for surge protection
12 Surge protection application
   12.1 General
   12.2 Surge protective devices in power distribution systems
   12.3 Basic system characteristics for SPD selection
   12.4 Considerations for installation of SPDs
   12.5 Coordination among SPDs and with equipment to be
        protected
   12.6 Recapitulation on surge protection application
Annex A (informative) Complementary information on
        lightning-related overvoltages
Annex B (informative) Switching overvoltages
Annex C (informative) Complementary information on temporary
        overvoltages
Annex D (informative) Complementary information on system
        interaction overvoltages
Annex E (informative) Complementary information on SPD
        application
Annex F (informative) Avoiding overvoltages through good
        practice for earthing and cabling
Bibliography
Figures
Tables

Presents a general overview on the different kinds of surge overvoltages that can occur on low-voltage installations. Typical surge magnitude and duration as well as frequency of occurrence are described. Information on overvoltages resulting from interactions between power system and communications system is also provided. Additionally, general guidelines are given concerning surge protection means and systems on the basis of availability and risk considerations, including interactions and the need for coordination and consideration of temporary overvoltages in the selection of surge-protective devices.

DevelopmentNote
Stability Date: 2016. (10/2012)
DocumentType
Technical Report
Pages
131
PublisherName
International Electrotechnical Committee
Status
Current

Standards Relationship
NEN NPR IEC/TR 62066 : 2002 Identical
PD IEC/TR 62066:2002 Identical
VDE 0184 : 2005 Identical

14/30316036 DC : 0 BS EN 61643-32 - LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC USE INCLUDING D.C. - PART 32: SELECTION AND APPLICATION PRINCIPLES - SPDS CONNECTED TO PHOTOVOLTAIC INSTALLATIONS
IEC 61643-12:2008 Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
IEC TR 60664-2-2:2002 Insulation coordination for equipment within low-voltage systems - Part 2-2: Interface considerations - Application guide
IEC TR 61000-5-6:2002 Electromagnetic compatibility (EMC) - Part 5-6: Installation and mitigation guidelines - Mitigation of external EM influences
PD IEC TR 61000-5-6:2002 Electromagnetic compatibility (EMC). Installation and mitigation guidelines Mitigation of external EM influences
DD IEC TS 62257-5 : DRAFT 2005 RECOMMENDATIONS FOR SMALL RENEWABLE ENERGY AND HYBRID SYSTEMS FOR RURAL ELECTRIFICATION - PART 5: PROTECTION AGAINST ELECTRICAL HAZARDS
IEC TR 61000-2-14:2006 Electromagnetic compatibility (EMC) - Part 2-14: Environment - Overvoltages on public electricity distribution networks
IEEE C62.36-2014 REDLINE IEEE Standard Test Methods for Surge Protectors Used in Low-Voltage Data, Communications, and Signaling Circuits
VDI 3551:2011-01 Electromagnetic compatibility (EMC) in building services
03/305095 DC : DRAFT MAR 2003 IEC 62305-4 - PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES
I.S. EN 62305-2:2012 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT (IEC 62305-2:2010 (MOD))
S.R. CLC/TS 61643-12:2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
IEC 62305-2:2010 Protection against lightning - Part 2: Risk management
DD CLC/TS 61643-12:2009 Low-voltage surge protective devices Surge protective devices connected to low-voltage power distribution systems. Selection and application principles
UNE-EN 50160:2011 Voltage characteristics of electricity supplied by public electricity networks
04/30116083 DC : DRAFT JUL 2004 IEC 62305-5 - PROTECTION AGAINST LIGHTNING - PART 5: SERVICES
08/30180966 DC : DRAFT APR 2008 BS EN 50160 - VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC DISTRIBUTION NETWORKS
CEI EN 62305-2 : 2013 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT
I.S. EN 50160:2010 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
IEEE C62.42.0-2016 IEEE Guide for the Application of Surge-Protective Components in Surge-Protective Devices and Equipment Ports--Overview
IEC TS 62257-5:2015 Recommendations for renewable energy and hybrid systems for rural electrification - Part 5: Protection against electrical hazards
UNE-CLC/TS 61643-12:2012 Low-voltage surge protective devices -- Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
IEC 61643-32:2017 Low-voltage surge protective devices - Part 32: Surge protective devices connected to the d.c. side of photovoltaic installations - Selection and application principles
BS EN 62305-2:2012 Protection against lightning Risk management
09/30190333 DC : 0 BS EN 61400-24 - WIND TURBINES - PART 24: LIGHTNING PROTECTION
BS EN 50160 : 2010 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
EN 50160 : 2010 AMD 1 2015 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
PD IEC/TS 62257-5:2015 Recommendations for renewable energy and hybrid systems for rural electrification Protection against electrical hazards
EN 62305-2:2012 Protection against lightning - Part 2: Risk management
CLC/TS 61643-12 : 2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES

IEC 61024-1:1990 Protection of structures against lightning - Part 1: General principles
IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
IEC 61000-4-1:2006 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
IEC 61643-12:2008 Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
IEC 60364-5-53:2001+AMD1:2002+AMD2:2015 CSV Electrical installations of buildings - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control
IEC 61663-2:2001 Lightning protection - Telecommunication lines - Part 2: Lines using metallic conductors
IEC 61000-4-4:2012 RLV Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test
IEC TR 61000-5-2:1997 Electromagnetic compatibility (EMC) - Part 5: Installation and mitigation guidelines - Section 2: Earthing and cabling
IEEE 1036-2010 IEEE Guide for the Application of Shunt Power Capacitors
IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
IEC 60364-4-44:2007+AMD1:2015 CSV Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances
IEC 61312-1:1995 Protection against lightning electromagnetic impulse - Part 1: General principles
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC TS 61312-3:2000 Protection against lightning electromagnetic impulse - Part 3: Requirements of surge protective devices (SPDs)

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