SC 77A

EMC - Low frequency phenomena

SC 77A Work programme (8)

Project Reference	Document Reference	Init. Date	Current Stage	Next Stage	Working Group	Project Leader	Fcst. Publ. Date
PWI 77A-2 ED1 IEC 61000-3-17: Electromagnetic compatibility (EMC) - Part 3-17: Limits - Limitation of voltage changes, voltage fluctuations and flicker for LV generators			PWI PWI Preliminary work item 2015-10	prePNW prePNW Preparation of NP document	WG 2	S Mark Halpin
PWI TR 77A-3 ED1 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			PWI PWI Preliminary work item 2017-03	2022-12	PT 61000-3-18	Scott Mercer
PWI TR 77A-4 ED1 IEC TR 61000-2-15 Assessment of instability/non-linear phenomena between AC-DC/DC-DC Converters and the grid			PWI PWI Preliminary work item 2018-08	2021-12	WG 8	Xavier YANG
IEC TR 61000-1-4 ED2 Electromagnetic compatibility (EMC) - Part 1-4: General - Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment, in the frequency range up to 2 kHz	77A/1097/CD 930 kB	2021-04	CD CD Draft circulated as CD 2021-04	PCC PCC Preparation of CC 2021-07	WG 1	John M. Woodgate	2022-06
IEC 61000-2-4 ED3 Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances	77A/1081/CD 471 kB	2019-09	PCC PCC Preparation of CC 2020-08	2020-09	WG 8	Xavier YANG	2023-10
IEC TR 61000-3-10 ED1 Emission limits in the frequency range 2 ... 9 kHz			PWI PWI Preliminary work item 2001-10		WG 1	Benno Weis
IEC 61000-3-12/AMD1 ED2 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	77A/1013/RR 115 kB	2018-11	RPUB RPUB Publication received and registered 2021-04	BPUB BPUB Being published 2021-07	WG 1	Joe Prisco	2021-07
IEC TS 61000-3-16 ED1 Electromagnetic compatibility (EMC) - Part 3-16: Limits - Limits for harmonic currents produced by energy supplying equipment with a rated current less than or equal to 75 A per phase connected to public low-voltage systems	77A/1086/CD 450 kB	2020-02	CDM CDM CD to be discussed at meeting 2020-10	2021-03	WG 1	Firuz Zare	2022-11

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