International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 77A

EMC - Low frequency phenomena

 
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SC 77A Subcommittee(s) and/or Working Group(s)

Label
Title
Working Groups
WG 1Harmonics and other low-frequency disturbances
WG 2Voltage fluctuations and other low-frequency disturbances
WG 6Low frequency immunity tests
WG 8Description of the electromagnetic environment associated with the disturbances presenton electricity supply networks
WG 9Power Quality measurement methods
Project Teams
PT 61000-3-18Limits- Assessment of network characteristics for the application of harmonic emission limits for equipment to be connected to LV distribution systems not currently covered by IEC 61000-3-2 and/or 61000-3-12
Joint Working Groups
JWG 12Requirements for frequency measurement used to control DER and loads Managed by TC 8
JWG 6Introduction of requirements in the frequency range 9 kHz – 150 kHz Managed by CIS/H
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SC 77A Membership

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Facts and figures

Secretariat
France
Participating countries
27
Observer Countries
20
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SC 77A Officers

Chair
Mr Emmanuel De Jaeger (BE)
Term of office : 2022-01

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Secretary
Mr Hervé ROCHEREAU (FR)

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Assistant Secretary
Mr Cédric LAVENU (FR)

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IEC Central Office Contacts

Technical Officer
Mr Andrew Redgate

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Standards Project Administrator
Ms Marlene Maillet

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Editor
Ms Stéphanie Achard

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SC 77A Liaisons

Committee
Description
Incoming liaison representative
Outgoing liaison representative
Internal IEC Liaison
TC 8System aspects of electrical energy supplyMr Hervé ROCHEREAU
Mr Hervé ROCHEREAU
SC 8BDecentralized Electrical Energy Systems Mr Hervé ROCHEREAU
TC 13Electrical energy measurement and controlMr Raimond Bauknecht
TC 22Power electronic systems and equipmentMr Benno Weis
SC 22GAdjustable speed electric drive systems incorporating semiconductor power convertersMr Benno Weis
SC 22HUninterruptible power systems (UPS)Mr Daniel GONZALEZ
TC 26Electric weldingMr Johann Wilhelm
TC 34Lamps and related equipment
TC 38Instrument transformersMr Paolo Mazza
Mr Alex McEachern
Mr Ivo Novakovic
TC 57Power systems management and associated information exchangeMr Robert Denda
Mr Jaroslaw Kussyk
TC 61Safety of household and similar electrical appliancesMr Frank Deter
Mr Frank Deter
SC 61JElectrical motor-operated cleaning appliances for commercial useMr Charalambos Freed
TC 82Solar photovoltaic energy systemsMr Yasutoshi Yoshioka
TC 85Measuring equipment for electrical and electromagnetic quantitiesMr Walter Gebhart
Mr Walter Gebhart
TC 108Safety of electronic equipment within the field of audio/video, information technology and communication technologyMr John M. Woodgate
Mr Antonio Ardito
Mr Jean-Luc Detrez
TC 116Safety of motor-operated electric toolsMr Joseph Harding
TC 120Electrical Energy Storage (EES) SystemsMrs Mi Sung Kim
Mrs Mi Sung Kim
SC 121ALow-voltage switchgear and controlgearMr Andreas Baeumler
CISPRInternational special committee on radio interferenceMr Stephen Colclough
Mr Stephen Colclough
Liaison A
CIGRE/SC C4Power system performances
CIREDInternational Conference on Electricity DistributionMr Mathieu Van Den Bergh
EURELECTRICInternational Union of Producers and Distributors of Electrical Energy
IEEE/SC22IEEE/SC22Mr Daniel Sabin