• IEC TR 61000-3-6:2008

    Current The latest, up-to-date edition.

    Electromagnetic compatibility (EMC) - Part 3-6: Limits - Assessment of emission limits for the connection of distorting installations to MV, HV and EHV power systems

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  22-02-2008

    Publisher:  International Electrotechnical Committee

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    Abstract - (Show below) - (Hide below)

    This Technical Report, which is informative in its nature, provides guidance on principles which can be used as the basis for determining the requirements for the connection of distorting installations to MV, HV and EHV public power systems (LV installations are covered in other IEC documents). For the purposes of this report, a distorting installation means an installation (which may be a load or a generator) that produces harmonics and/or interharmonics. The primary objective is to provide guidance to system operators or owners on engineering practices, which will facilitate the provision of adequate service quality for all connected customers. In addressing installations, this document is not intended to replace equipment standards for emission limits. The report addresses the allocation of the capacity of the system to absorb disturbances. It does not address how to mitigate disturbances, nor does it address how the capacity of the system can be increased. Since the guidelines outlined in this report are necessarily based on certain simplifying assumptions, there is no guarantee that this approach will always provide the optimum solution for all harmonic situations. The recommended approach should be used with flexibility and judgment as far as engineering is concerned, when applying the given assessment procedures in full or in part. The system operator or owner is responsible for specifying requirements for the connection of distorting installations to the system. The distorting installation is to be understood as the customer's complete installation (i.e. including distorting and non-distorting parts). Problems related to harmonics fall into two basic categories:
    / - Harmonic currents that are injected into the supply system by converters and harmonic sources, giving rise to harmonic voltages in the system. Both harmonic currents and resulting voltages can be considered as conducted phenomena.
    - Harmonic currents that induce interference into communication systems. This phenomenon is more pronounced at higher order harmonic frequencies because of increased coupling between the circuits and because of the higher sensitivity of the communication circuits in the audible range.
    This report gives guidance for the co-ordination of the harmonic voltages between different voltage levels in order to meet the compatibility levels at the point of utilisation. The recommendations in this report do not address harmonic interference phenomena in communication circuits (i.e. only the first of the above categories is addressed). This second edition cancels and replaces the first edition published in 1996 and constitutes a technical revision. This edition is significantly more streamlined than first edition, and it reflects the experiences gained in the application of the first edition. As part of this streamlining process, this second edition of IEC/TR 61000-3-6 does not address communications circuit interference. Clause 9 on this (section 10) was removed, as this did not suitably address emission limits for telephone interference. The scope has been adjusted to point out that IEC/TR 61000-3-6 does not address communications circuit interference. This edition has also been harmonised with IEC/TR 61000-3-7 and IEC/TR 61000-3-13. This Technical Report has the status of a basic EMC publication in accordance with IEC Guide 107.

    General Product Information - (Show below) - (Hide below)

    Committee TC 77/SC 77A
    Development Note Supersedes IEC 61000-3-6. (02/2008) Stability Date: 2018. (09/2017)
    Document Type Technical Report
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    EN 61000-4-30:2015/AC:2017-01 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS (IEC 61000-4-30:2015/COR1:2016)
    BIS IS 16071 : 2013 HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS - GUIDEBOOK TO THE SPECIFICATION AND DESIGN EVALUATION OF A.C. FILTERS
    12/30257420 DC : 0 BS EN 61851-23 ED 1.0 - ELECTRIC VEHICLE CONDUCTIVE CHARGING SYSTEM - PART 23: D.C. ELECTRIC VEHICLE CHARGING STATION
    PD IEC/TR 61000-3-13:2008 (published 2008-04) Electromagnetic compatibility (EMC) Limits. Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems
    12/30262567 DC : 0 BS EN 61000-4-30 ED 3 - ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    UNE-EN 61000-4-30:2015 Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods
    S.R. CLC/TR 50422:2013 GUIDE FOR THE APPLICATION OF THE EUROPEAN STANDARD EN 50160
    PD IEC/TR 61850-90-17:2017 Communication networks and systems for power utility automation Using IEC 61850 to transmit power quality data
    CSA C61000.3.7 :2009 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-7: LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF FLUCTUATING INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    CSA C61000-3-13 : 2009 : R2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-13: LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF UNBALANCED INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    BS PD CLC/TR 50646 : 2015 RAILWAY APPLICATION - FIXED INSTALLATIONS - SPECIFICATION FOR REVERSIBLE D.C. SUBSTATIONS
    CEI EN 61000-3-12 : 2012 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-12: LIMITS - LIMITS FOR HARMONIC CURRENTS PRODUCED BY EQUIPMENT CONNECTED TO PUBLIC LOW-VOLTAGE SYSTEMS WITH INPUT CURRENT > 16 A AND <= 75 A PER PHASE
    I.S. EN 61000-4-30:2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    I.S. EN 61400-21:2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
    BS EN 60519-1:2015 Safety in installations for electroheating and electromagnetic processing General requirements
    EN 61000-3-12:2011 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-12: LIMITS - LIMITS FOR HARMONIC CURRENTS PRODUCED BY EQUIPMENT CONNECTED TO PUBLIC LOW-VOLTAGE SYSTEMS WITH INPUT CURRENT > 16 A AND <= 75 A PER PHASE (IEC 61000-3-12:2011)
    EN 60519-1:2015 SAFETY IN INSTALLATIONS FOR ELECTROHEATING AND ELECTROMAGNETIC PROCESSING - PART 1: GENERAL REQUIREMENTS (IEC 60519-1:2015)
    CLC/TR 50422:2013 GUIDE FOR THE APPLICATION OF THE EUROPEAN STANDARD EN 50160
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    PD IEC/TR 62001-2:2016 (published 2016-07) High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters Performance
    IEEE 1453.1 : 2012 GUIDE - ADOPTION OF IEC/TR 61000-3-7:2008, ELECTROMAGNETIC COMPATIBILITY (EMC) - LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF FLUCTUATING INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    UNE-EN 61000-3-12:2012 Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current > 16 A and
    S.R. CLC/TS 50549-2:2015 REQUIREMENTS FOR GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH DISTRIBUTION NETWORKS - PART 2: CONNECTION TO A MV DISTRIBUTION NETWORK
    CSA C61000-3-14 : 2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-14: ASSESSMENT OF EMISSION LIMITS FOR HARMONICS, INTERHARMONICS, VOLTAGE FLUCTUATIONS AND UNBALANCE FOR THE CONNECTION OF DISTURBING INSTALLATIONS TO LV POWER SYSTEMS
    CEI EN 62920 : 1ED 2018 PHOTOVOLTAIC POWER GENERATING SYSTEMS - EMC REQUIREMENTS AND TEST METHODS FOR POWER CONVERSION EQUIPMENT
    IEC TR 61000-3-7:2008 Electromagnetic compatibility (EMC) - Part 3-7: Limits - Assessment of emission limits for the connection of fluctuating installations to MV, HV and EHV power systems
    IEC TR 62001:2009 High-voltage direct current (HVDC) systems - Guidebook to the specification and design evaluation of A.C. filters
    I.S. EN 62135-2:2015 RESISTANCE WELDING EQUIPMENT - PART 2: ELECTROMAGNETIC COMPATIBILITY (EMC) REQUIREMENTS
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    PD IEC/TR 62001-1:2016 (published 2016-05) High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters Overview
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    BS EN 61000-4-30:2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS (IEC 61000-4-30:2015)
    DD IEC PAS 62543 : DRAFT 2008 DC TRANSMISSION USING VOLTAGE SOURCED CONVERTERS
    BS PD CLC/TS 50654-1 : 2018 HVDC GRID SYSTEMS AND CONNECTED CONVERTER STATIONS - GUIDELINE AND PARAMETER LISTS FOR FUNCTIONAL SPECIFICATIONS - PART 1: GUIDELINES
    CSA C61000-4-30 : 2010 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    16/30332623 DC : 0 BS EN 62920 ED 1.0 - EMC REQUIREMENTS AND TEST METHODS FOR POWER CONVERSION EQUIPMENT APPLYING TO PHOTOVOLTAIC POWER GENERATING SYSTEMS
    BS PD IEC TR 62001 : 2009 HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS - GUIDEBOOK TO THE SPECIFICATION AND DESIGN EVALUATION OF A.C. FILTERS
    EN IEC 62933-2-1 : 2018 ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION (IEC 62933-2-1:2017)
    BS PD CLC/TR 50422 : 2013 GUIDE FOR THE APPLICATION OF THE EUROPEAN STANDARD EN 50160
    IEC TR 61000-3-15:2011 Electromagnetic compatibility (EMC) - Part 3-15: Limits - Assessment of low frequency electromagnetic immunity and emission requirements for dispersed generation systems in LV network
    IEC TR 62001-2:2016 High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of AC filters - Part 2: Performance
    IEC 62933-2-1:2017 Electrical energy storage (EES) systems - Part 2-1: Unit parameters and testing methods - General specification
    CEI EN 60519-1 : 2016 SAFETY IN INSTALLATIONS FOR ELECTROHEATING AND ELECTROMAGNETIC PROCESSING - PART 1: GENERAL REQUIREMENTS
    CEI CLC/TR 50422 : 2015 GUIDE FOR THE APPLICATION OF THE EUROPEAN STANDARD EN 50160
    CSA C61000-3-14:15 (R2019) Electromagnetic compatibility (EMC) — Part 3-14: Assessment of emission limits for harmonics, interharmonics, voltage fluctuations and unbalance for the connection of disturbing installations to LV power systems (Adopted IEC/TR 61000-3-14:2011, first edition, 2011-10, with Canadian deviations)
    S.R. CLC/TR 50646:2015 RAILWAY APPLICATION - FIXED INSTALLATIONS - SPECIFICATION FORREVERSIBLE D.C. SUBSTATIONS
    PD IEC/TR 61000-3-14:2011 (published 2011-11) Electromagnetic compatibility (EMC) Assessment of emission limits for harmonics, interharmonics, voltage fluctuations and unbalance for the connection of disturbing installations to LV power systems
    PD IEC/TR 61000-3-15:2011 (published 2011-10) Electromagnetic compatibility (EMC) Limits. Assessment of low frequency electromagnetic immunity and emission requirements for dispersed generation systems in LV network
    02/204840 DC : DRAFT APR 2002 PREN 50217 - IN SITU MEASUREMENTS OF DISTURBANCE EMISSION
    CLC/TS 50549-2:2015 REQUIREMENTS FOR GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH DISTRIBUTION NETWORKS - PART 2: CONNECTION TO A MV DISTRIBUTION NETWORK
    CSA C61000-3-13 : 2009 : R2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-13: LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF UNBALANCED INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    CSA C61000-3-13 :2009 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-13: LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF UNBALANCED INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    IEC TR 61000-3-13:2008 Electromagnetic compatibility (EMC) - Part 3-13: Limits - Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems
    I.S. EN 62920:2017 PHOTOVOLTAIC POWER GENERATING SYSTEMS - EMC REQUIREMENTS AND TEST METHODS FOR POWER CONVERSION EQUIPMENT
    CLC/TS 50654-1 : 2018 HVDC GRID SYSTEMS AND CONNECTED CONVERTER STATIONS - GUIDELINE AND PARAMETER LISTS FOR FUNCTIONAL SPECIFICATIONS - PART 1: GUIDELINES
    IEC TR 62001-3:2016 High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of AC filters - Part 3: Modelling
    IEC TR 61850-90-17:2017 Communication networks and systems for power utility automation - Part 90-17: Using IEC 61850 to transmit power quality data
    CEI EN 60146-1-1 : 2013 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    IEC 61800-3:2017 Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods
    IEC TR 62001-4:2016 High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of AC filters - Part 4: Equipment
    IEC TS 62749:2015 Assessment of power quality - Characteristics of electricity supplied by public networks
    IEC TR 61000-3-14:2011 Electromagnetic compatibility (EMC) - Part 3-14: Assessment of emission limits for harmonics, interharmonics, voltage fluctuations and unbalance for the connection of disturbing installations to LV power systems
    IEC 60519-1:2015 Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements
    13/30277685 DC : 0 BS EN 60519-1 - SAFETY IN INSTALLATIONS FOR ELECTROHEATING AND ELECTROMAGNETIC PROCESSING - PART 1: GENERAL REQUIREMENTS
    IEC 61000-4-30 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    09/30204029 DC : 0 BS EN 61439-1 - LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1: GENERAL RULES
    IEC 61000-3-12:2011 Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤ 75 A per phase
    IEC 61000-4-30:2015 RLV Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods
    IEC 62135-2:2015 Resistance welding equipment - Part 2: Electromagnetic compatibility (EMC) requirements
    IEC 61400-21:2008 Wind turbines - Part 21: Measurement and assessment of power quality characteristics of grid connected wind turbines
    BS EN 61400-21:2008 Wind turbines Measurement and assessment of power quality characteristics of grid connected wind turbines
    NF EN 62920 : 2017 PHOTOVOLTAIC POWER GENERATING SYSTEMS - EMC REQUIREMENTS AND TEST METHODS FOR POWER CONVERSION EQUIPMENT
    BS EN 62135-2:2015 (published 2015-05) Resistance welding equipment Electromagnetic compatibility (EMC) requirements
    14/30269850 DC : 0 BS EN 62135-2 - ED 2.0 - RESISTANCE WELDING EQUIPMENT - PART 2: ELECTROMAGNETIC COMPATIBILITY (EMC) REQUIREMENTS
    PD IEC/TR 62001-4:2016 High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters Equipment
    CSA C61000.3.7 : 2009 : R2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-7: LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF FLUCTUATING INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    CSA C61000.3.7 : 2009 : R2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-7: LIMITS - ASSESSMENT OF EMISSION LIMITS FOR THE CONNECTION OF FLUCTUATING INSTALLATIONS TO MV, HV AND EHV POWER SYSTEMS
    BS EN 61000-3-12 : 2011 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-12: LIMITS - LIMITS FOR HARMONIC CURRENTS PRODUCED BY EQUIPMENT CONNECTED TO PUBLIC LOW-VOLTAGE SYSTEMS WITH INPUT CURRENT > 16 A AND <= 75 A PER PHASE
    PD IEC/TR 61000-3-7:2008 Electromagnetic compatability (EMC) Limits. Assessment of emission limits for the connection of fluctuating installations to MV, HV and EHV power systems
    BS EN 60146-1-1 : 2010 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    I.S. EN 61000-3-12:2011 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-12: LIMITS - LIMITS FOR HARMONIC CURRENTS PRODUCED BY EQUIPMENT CONNECTED TO PUBLIC LOW-VOLTAGE SYSTEMS WITH INPUT CURRENT > 16 A AND <= 75 A PER PHASE (IEC 61000-3-12:2011 (EQV))
    CSA C61000-4-30 : 2010 : R2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    I.S. EN IEC 62933-2-1:2018 ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION
    CEI EN 61400-21 : 2011 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
    EN 62920:2017 PHOTOVOLTAIC POWER GENERATING SYSTEMS - EMC REQUIREMENTS AND TEST METHODS FOR POWER CONVERSION EQUIPMENT (IEC 62920:2017)
    IEC PAS 62543:2008 DC transmission using voltage sourced converters
    I.S. EN 60519-1:2015 SAFETY IN INSTALLATIONS FOR ELECTROHEATING AND ELECTROMAGNETIC PROCESSING - PART 1: GENERAL REQUIREMENTS
    EN 61400-21:2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
    EN 62135-2:2015 RESISTANCE WELDING EQUIPMENT - PART 2: ELECTROMAGNETIC COMPATIBILITY (EMC) REQUIREMENTS (IEC 62135-2:2015)
    CLC/TR 50646 : 2015 RAILWAY APPLICATION - FIXED INSTALLATIONS - SPECIFICATION FOR REVERSIBLE D.C. SUBSTATIONS

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC TR 61000-2-6:1995 Electromagnetic compatibility (EMC) - Part 2: Environment - Section 6: Assessment of the emission levels in the power supply of industrial plants as regards low-frequency conducted disturbances
    IEC 61000-4-30 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    IEC GUIDE 107:2014 Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications
    IEC 61000-2-12:2003 Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems
    IEC 60050-601:1985 International Electrotechnical Vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General
    IEC TR 61000-3-13:2008 Electromagnetic compatibility (EMC) - Part 3-13: Limits - Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems
    IEC 61000-3-12:2011 Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤ 75 A per phase
    IEC 60050-101:1998 International Electrotechnical Vocabulary (IEV) - Part 101: Mathematics
    IEEE 1137 : 1991 GUIDE FOR THE IMPLEMENTATION OF INDUCTIVE COORDINATION MITIGATION TECHNIQUES AND APPLICATION
    IEC TR 61000-3-7:2008 Electromagnetic compatibility (EMC) - Part 3-7: Limits - Assessment of emission limits for the connection of fluctuating installations to MV, HV and EHV power systems
    IEC TS 61000-3-4:1998 Electromagnetic compatibility (EMC) - Part 3-4: Limits - Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16 A
    IEC TR 61000-2-1:1990 Electromagnetic compatibility (EMC) - Part 2: Environment - Section 1: Description of the environment - Electromagnetic environment for low-frequency conducted disturbances and signalling in public power supply systems
    IEC 61000-2-2:2002+AMD1:2017 CSV Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
    IEC 61000-4-7:2002+AMD1:2008 CSV Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
    IEEE 776 : 1992 PRACTICE FOR INDUCTIVE COORDINATION OF ELECTRIC SUPPLY AND COMMUNICATION LINES
    IEC 61000-3-2 : 4.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
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