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

SC 77A

EMC - Low frequency phenomena

 
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WG 8 Convenor & Members

Convenor
National

Committee
Mr Luc Berthet
 FR
Member
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National

Committee
Mr Arun AggarwalIN
Mr Mohamad AlawieCA
Mr Ton AlmeringNL
Mr Alex BaitchAU
Mr Gerhard BartakAT
Mr Raimond BauknechtCH
Mr Luca BettinsoliIT
Mr Emmanuel De JaegerBE
Mr Frank DeterDE
Mr Zia EminGB
Mr John GingIE
Mr Daniel GonzalezFR
Mr José Luis Gutiérrez IglesiasES
Mr S Mark HalpinUS
Mr Michael HartmannAT
Mr Jouko HellmanFI
Ms Claudia ImposimatoIT
Mr Bernd JäkelDE
Mr Robert JarochaPL
Mr Cédric LavenuFR
Mr Didier LeblancFR
Mr Nicholas LembergUS
Mr Miguel Martínez LavínES
Mr Sebastian MatharCH
Mr Julien MelotFR
Mr Yoshiki NakachiJP
Mr Gaetan NdoFR
Mr Michael O'DwyerIE
Mr Santiago Otero PeñaES
Mr Won-tae RAKR
Mr B Subba RaoIN
Mr Eunbo SimKR
Mr John SinclairGB
Mr Jean-François TissierFR
Mr Christian UngerDE
Mr Iker Urrutia GaldósES
Mr Andre van DijkCA
Mr Wouter VancoetsemBE
Mr Benno WeisDE
Mr Yasutoshi YoshiokaJP

Title & Task

WG 8

Description of the electromagnetic environment associated with the disturbances presenton electricity supply networks

 

a) To analyze the electromagnetic interference phenomena
related to quality of supply, for example:


-harmonics
-inter-harmonics
-voltage fluctuations (flicker)
-voltage dips and short interruptions
-voltage unbalance
-power frequency variations
-ripple control/ mains signalling
-d.c. components


b) To prepare a description of the electromagnetic environment
with respect to above phenomena.


c) To establish typical environmental levels (compatibility
levels) to which emission and immunity levels can be related.


d) To prepare guidelines for the connection of large disturbing
loads to power supply system with regard to low frequency
disturbance phenomena (Engaged Task Force ICU will remain
provisionally allocated to WG 8 to finish this work).


e) To prepare a report related to the environment of LF
magnetic fields.


WG 8 will ensure contact and/or liaise with other WGs' of IEC/TC 77, other TCs' and international bodies e.g. CIGRE, CIRED, UNIPEDE, UIE, IEEE, and CENELEC.

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Liaisons

Organizations
Liaison Member
Internal IEC Liaison
TC 61Mr Frank Deter
CISPRMr Stephen Colclough