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CLC/TR 50627:2015

Current
Current

The latest, up-to-date edition.

Study Report on Electromagnetic Interference between Electrical Equipment/Systems in the Frequency Range Below 150 kHz
Published date

11-20-2015

European foreword
Introduction
1 Scope
2 General
3 The frequency range from 2 kHz to 150 kHz
4 Emissions, measurement and test results
5 EMI cases, measurement and test results
6 Standardization for the frequency range 2 kHz to
  150 kHz. Conformity and time
7 Options for improved safeguarding EMC
8 Conclusions
9 Recommendations
Annex A (informative) - Acronyms and abbreviations
Bibliography

This Technical Report is based on two Study Reports of CLC/SC 205A, having been worked out by their Task Force EMI [1a][1b] and provides the results and findings of these documents. It was created with the help and input from a broad range of involved stakeholders: network operators, equipment manufacturers, universities, accredited test houses and consultants.Beside the actual standardization situation it reflects the current emission situation found in supply networks and installations and describes electromagnetic interference (EMI) cases from twelve countries; investigation and analysis of the latter show a wide range of different types of electrical devices to be considered as a source or a victim of related EMI.This Technical Report highlights the occurrence of high levels of non-intentional emissions (NIE) in the considered frequency range, including values up to and exceeding the standardized limits for intentional signals from mains communicating systems (MCS), which also implies a high potential to cause EMI to other electrical equipment. On the other hand, several types of equipment show susceptibility to related emissions, being insufficiently immune.The Technical Report addresses the following issues:-a number of different types of electrical equipment are generating such emissions and/or are susceptible, to such, thus representing EMI potential, as a source or a victim of such EMI;-the interaction of electrical equipment in a certain supply area respectively installation, with its complex and volatile impedance character, as having an additional EMI potential; that besides NIE from general electrical equipment and signals from MCS and technically being quite different from emissions;-the fact that besides the conducted interference also radiated interference from NIE or signals from MCS, through the magnetic H-field following to related currents on the mains, is to be considered, what is of some importance also for the interference-free operation of broadcast time-signal systems or electronic circuits controlled by such;-the ageing of electronic components in electric equipment, which causes increased emissions and EMI to other electrical equipment as a result of not showing the same EMC characteristics as before being placed on the market, therefore no longer being able to conform with EMC requirements;-the additional aspect of differential mode operation, which should be considered for related immunity and testing specifications.These findings confirm that EMI in this frequency range is not limited to single types of equipment like inverters or MCS; instead a more general electromagnetic compatibility (EMC) problem concerning a larger spectrum of electrical equipment is identified.Although a case-by-case mitigation of related EMI cases might be seen as appropriate, the increasing application of technologies and systems with related EMI potential requires a more general solution, through standardization, taking a balanced viewpoint of EMC and economics into account. With regard to the actual standardization situation, a review of the actual EMC and Product standards based on the reported results seems to be advisable.After initiating the work in CLC/SC 205A, the now ongoing work in IEC SC 77A, as well as the publication of a related Technical Report on testing electricity meters [2] by CLC/TC 13 and of the new Immunity testing standard EN 61000-4-19 [99], appear as right steps into the right direction but needing further, extended efforts.As stated on European as well as on international EMC standardization level, the availability of compatibility levels for the considered frequency range appears as a key-requirement for future considerations on setting related emission limits and immunity requirements in various standards. A fundamental basis for the co-existence of intentional signals from MCS and NIE needs to be found.

Committee
CLC/TC 219
DocumentType
Technical Report
PublisherName
European Committee for Standards - Electrical
Status
Current

Standards Relationship
S.R. CLC/TR 50627:2015 Identical
PD CLC/TR 50627:2015 Identical
CEI CLC/TR 50627 : 2020 Identical

EN 61000-2-2:2002/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - ENVIRONMENT - COMPATIBILITY LEVELS FOR LOW-FREQUENCY CONDUCTED DISTURBANCES AND SIGNALLING IN PUBLIC LOW-VOLTAGE POWER SUPPLY SYSTEMS (IEC 61000-2-2:2002/A1:2017)
PD IEC/TS 62578:2015 Power electronics systems and equipment. Operation conditions and characteristics of active infeed converter (AIC) applications including design recommendations for their emission values below 150 kHz
PD CLC/TR 50669:2017 Investigation Results on Electromagnetic Interference in the Frequency Range below 150 kHz
IEC TS 62578:2015 Power electronics systems and equipment - Operation conditions and characteristics of active infeed converter (AIC) applications including design recommendations for their emission values below 150 kHz
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
I.S. EN 61000-2-2:2002 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 2-2: ENVIRONMENT - COMPATIBILITY LEVELS FOR LOW-FREQUENCY CONDUCTED DISTURBANCES AND SIGNALLING IN PUBLIC LOW-VOLTAGE POWER SUPPLY SYSTEMS

EN 50065-4-4:2003 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-4: Low voltage decoupling filter - Impedance filter
IEC 61000-4-19:2014 Electromagnetic compatibility (EMC) - Part 4-19: Testing and measurement techniques - Test for immunity to conducted, differential mode disturbances and signalling in the frequency range 2 kHz to 150 kHz at a.c. power ports
IEC 61800-3:2017 Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods
EN 50160 : 2010 AMD 1 2015 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
EN 50065-4-1:2001 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-1: Low voltage decoupling filters - Generic specification
EN 50470-3:2006 Electricity metering equipment (a.c.) - Part 3: Particular requirements - Static meters for active energy (class indexes A, B and C)
IEC TS 62578:2015 Power electronics systems and equipment - Operation conditions and characteristics of active infeed converter (AIC) applications including design recommendations for their emission values below 150 kHz
EN 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
2012/27/EU : 2012 AMD 1 2013 DIRECTIVE 2012/27/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 25 OCTOBER 2012 ON ENERGY EFFICIENCY, AMENDING DIRECTIVES 2009/125/EC AND 2010/30/EU AND REPEALING DIRECTIVES 2004/8/EC AND 2006/32/EC (TEXT WITH EEA RELEVANCE)
EN 61000-3-3:2013 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-3: LIMITS - LIMITATION OF VOLTAGE CHANGES, VOLTAGE FLUCTUATIONS AND FLICKER IN PUBLIC LOW-VOLTAGE SUPPLY SYSTEMS, FOR EQUIPMENT WITH RATED CURRENT <= 16 A PER PHASE AND NOT SUBJECT TO CONDITIONAL CONNECTION (IEC 61000-3-3:2013)
2004/22/EC : 2004 DIRECTIVE 2004/22/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 31 MARCH 2004 ON MEASURING INSTRUMENTS
CISPR 32:2015 RLV Electromagnetic compatibility of multimedia equipment - Emission requirements
EN 50065-2-2:2003/A1:2005/corrigendum Oct. 2006 SIGNALING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 2-2: IMMUNITY REQUIREMENTS FOR MAINS COMMUNICATIONS EQUIPMENT AND SYSTEMS OPERATING IN THE RANGE OF FREQUENCIES 95 KHZ TO 148,5 KHZ AND INTENDED FOR USE IN INDUSTRIAL ENVIRONMENTS
IEC TR 61000-2-5:2017 Electromagnetic compatibility (EMC) - Part 2-5: Environment - Description and classification of electromagnetic environments
EN 50065-2-1 : 2003 AMD 1 2005 SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 2-1: IMMUNITY REQUIREMENTS FOR MAINS COMMUNICATIONS EQUIPMENT AND SYSTEMS OPERATING IN THE RANGE OF FREQUENCIES 95 KHZ TO 148,5 KHZ AND INTENDED FOR USE IN RESIDENTIAL, COMMERCIAL AND LIGHT INDUSTRIAL ENVIRONMENTS
EN 50065-4-3:2003 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-3: Low voltage decoupling filter - Incoming filter
IEC 61000-4-6 : 4.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS
EN 50065-4-7 : 2005 COR 2006 SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ AND 1,6 MHZ TO 30 MHZ - PART 4-7: PORTABLE LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS
IEC 61000-4-6:2013 Electromagnetic compatibility (EMC) - Part 4-6: Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
EN 61000-2-2:2002/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - ENVIRONMENT - COMPATIBILITY LEVELS FOR LOW-FREQUENCY CONDUCTED DISTURBANCES AND SIGNALLING IN PUBLIC LOW-VOLTAGE POWER SUPPLY SYSTEMS (IEC 61000-2-2:2002/A1:2017)
IEC 61334-3-1:1998 Distribution automation using distribution line carrier systems - Part 3-1: Mains signalling requirements - Frequency bands and output levels
EN 50065-4-5:2003 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-5: Low voltage decoupling filter - Segmentation filter
EN 55022:2010/AC:2011 INFORMATION TECHNOLOGY EQUIPMENT - RADIO DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 22:2008)
EN 50065-4-2 : 2001 AMD 2 2005 SIGNALLING ON LOW VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 4-2: LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS
IEC 61000-3-8:1997 Electromagnetic compatibility (EMC) - Part 3: Limits - Section 8: Signalling on low-voltage electrical installations - Emission levels, frequency bands and electromagnetic disturbance levels
EN 50470-1:2006 Electricity metering equipment (a.c.) - Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C)
EN 61334-5-1:2001 Distribution automation using distribution line carrier systems - Part 5-1: Lower layer profiles - The spread frequency shift keying (S-FSK) profile
CLC/TR 50422:2013 GUIDE FOR THE APPLICATION OF THE EUROPEAN STANDARD EN 50160
EN 61000-3-2:2014 Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤ 16 A per phase)
CLC/TR 50579:2012 ELECTRICITY METERING EQUIPMENT (A.C.) - SEVERITY LEVELS, IMMUNITY REQUIREMENTS AND TEST METHODS FOR CONDUCTED DISTURBANCES IN THE FREQUENCY RANGE 2 KHZ - 150 KHZ
EN 61334-4-32 : 1996 Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 32: Data link layer - Logical link control (LLC)
EN 50065-1:2011 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 1: General requirements, frequency bands and electromagnetic disturbances
EN 61000-4-6:2014/AC:2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS (IEC 61000-4-6:2013)
EN 61000-4-16:2016 Electromagnetic compatibility (EMC) - Part 4-16: Testing and measurement techniques - Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz
EN 61000-4-19:2014 Electromagnetic compatibility (EMC) - Part 4-19: Testing and measurement techniques - Test for immunity to conducted, differential mode disturbances and signalling in the frequency range 2 kHz to 150 kHz at a.c. power ports
EN 50065-2-3 : 2003 AMD 1 2005 SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148.5 KHZ - PART 2-3: IMMUNITY REQUIREMENTS FOR MAINS COMMUNICATIONS EQUIPMENT AND SYSTEMS OPERATING IN THE RANGE OF FREQUENCIES 3 KHZ TO 95 KHZ AND INTENDED FOR USE BY ELECTRICITY SUPPLIERS AND DISTRIBUTORS
EN 61547:2009 Equipment for general lighting purposes - EMC immunity requirements
CISPR 16-1:1999+AMD1:2002 CSV Specification for radio disturbance and immunity measuring apparatus and methods - Part 1: Radio disturbance and immunity measuring apparatus
EN 50065-7:2001 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 7: Equipment impedance
2009/125/EC : 2009 AMD 1 2012 DIRECTIVE 2009/125/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 21 OCTOBER 2009 ESTABLISHING A FRAMEWORK FOR THE SETTING OF ECODESIGN REQUIREMENTS FOR ENERGY-RELATED PRODUCTS (RECAST) (TEXT WITH EEA RELEVANCE)
EN 50065-4-6:2004 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-6: Low voltage decoupling filters - Phase coupler

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