SC 77A |
EMC - Low frequency phenomena |
SC 77A Subcommittee(s) and/or Working Group(s)
Label |
Title |
|---|---|
| Working Groups | |
| WG 1 | Harmonics and other low-frequency disturbances |
| WG 2 | Voltage fluctuations and other low-frequency disturbances |
| WG 6 | Low frequency immunity tests |
| WG 8 | Description of the electromagnetic environment associated with the disturbances presenton electricity supply networks |
| WG 9 | Power Quality measurement methods |
| Project Teams | |
| PT 61000-3-18 | Limits- 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 12 | Requirements for frequency measurement used to control DER and loads Managed by TC 8 |
| JWG 6 | Introduction of requirements in the frequency range 9 kHz – 150 kHz Managed by CIS/H |
| Ad-Hoc Groups | |
| ahG 10 | Measurement uncertainties in SC 77A standards |
SC 77A Membership
 Country | Country Code  | P/O Status | IEC Membership |
|---|---|---|---|
AU | P-Member | Full Member | |
AT | P-Member | Full Member | |
BY | O-Member | Full Member | |
BE | P-Member | Full Member | |
BR | O-Member | Full Member | |
BG | O-Member | Full Member | |
CA | P-Member | Full Member | |
CN | P-Member | Full Member | |
HR | P-Member | Full Member | |
CZ | O-Member | Full Member | |
DK | P-Member | Full Member | |
EG | O-Member | Full Member | |
FI | P-Member | Full Member | |
FR | P-Member | Full Member | |
DE | P-Member | Full Member | |
GR | O-Member | Full Member | |
HU | O-Member | Full Member | |
IN | P-Member | Full Member | |
IR | O-Member | Full Member | |
IE | P-Member | Full Member | |
IL | O-Member | Full Member | |
IT | P-Member | Full Member | |
JP | P-Member | Full Member | |
KR | P-Member | Full Member | |
MY | P-Member | Full Member | |
MX | P-Member | Full Member | |
NL | P-Member | Full Member | |
NZ | O-Member | Full Member | |
NO | P-Member | Full Member | |
PK | O-Member | Full Member | |
PL | O-Member | Full Member | |
PT | O-Member | Full Member | |
RO | P-Member | Full Member | |
RU | O-Member | Full Member | |
RS | O-Member | Full Member | |
SG | O-Member | Full Member | |
SK | O-Member | Full Member | |
SI | O-Member | Full Member | |
ZA | O-Member | Full Member | |
ES | P-Member | Full Member | |
SE | P-Member | Full Member | |
CH | P-Member | Full Member | |
TH | P-Member | Full Member | |
TR | P-Member | Full Member | |
UA | O-Member | Full Member | |
GB | P-Member | Full Member | |
US | P-Member | Full Member |
Facts and figures
Secretariat | France |
|---|---|
Participating countries | 27 |
Observer Countries | 20 |
SC 77A Officers
Chair | Mr Emmanuel De Jaeger (BE) Term of office : 2022-01 | |
|---|---|---|
Secretary | Mr Cédric LAVENU (FR) | |
Assistant Secretary | Mr Hervé ROCHEREAU (FR) |
IEC Central Office Contacts
Technical Officer | Mr Andrew Redgate | |
|---|---|---|
Standards Project Administrator | Ms Marlene Maillet | |
Editor | Ms Stéphanie Achard |
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SC 77A Liaisons
Committee |
Description |
Incoming liaison representative |
Outgoing liaison representative |
|---|---|---|---|
| Internal IEC Liaison | |||
| TC 8 | System aspects of electrical energy supply | Mr Hervé ROCHEREAU |
Mr Hervé ROCHEREAU |
| SC 8B | Decentralized Electrical Energy Systems | Mr Hervé ROCHEREAU |
Mr Hervé ROCHEREAU |
| TC 13 | Electrical energy measurement and control | Mr Raimond Bauknecht |
|
| TC 22 | Power electronic systems and equipment | Mr Benno Weis |
Mr Benno Weis |
| SC 22G | Adjustable speed electric power drive systems (PDS) | Mr Benno Weis |
Mr Benno Weis |
| SC 22H | Uninterruptible power systems (UPS) | Mr Daniel GONZALEZ |
|
| TC 26 | Electric welding | Mr Johann Wilhelm |
|
| TC 34 | Lighting | ||
| TC 38 | Instrument transformers | Mr Paolo Mazza |
Mr Alex McEachern Mr Ivo Novakovic |
| TC 57 | Power systems management and associated information exchange | Mr Robert Denda |
Mr Jaroslaw Kussyk |
| TC 61 | Safety of household and similar electrical appliances | Mr Frank Deter |
Mr Frank Deter |
| SC 61J | Electrical motor-operated cleaning appliances for commercial use | Mr Charalambos Freed |
|
| TC 82 | Solar photovoltaic energy systems | Mr Yasutoshi YOSHIOKA |
|
| TC 85 | Measuring equipment for electrical and electromagnetic quantities | Mr Walter Gebhart |
Mr Walter Gebhart |
| TC 108 | Safety of electronic equipment within the field of audio/video, information technology and communication technology | Mr Bob Griffin Mr Jos Remy |
Mr Jean-Luc Detrez |
| TC 116 | Safety of motor-operated electric tools | Mr Joseph Harding |
|
| TC 120 | Electrical Energy Storage (EES) Systems | Mrs Mi Sung Kim |
Mrs Mi Sung Kim |
| SC 121A | Low-voltage switchgear and controlgear | Mr Andreas Bäumler |
|
| CISPR | International special committee on radio interference | Mr Stephen Colclough |
Mr Stephen Colclough |
| Liaison A | |||
| CIGRE/SC C4 | Power system technical performance | ||
| CIRED | International Conference on Electricity Distribution | Mr Mathieu Van Den Bergh |
|
| EURELECTRIC | International Union of Producers and Distributors of Electrical Energy | ||
| IEEE/SC22 | IEEE/SC22 | Mr Daniel Sabin |
|