SC 77A

EMC - Low frequency phenomena

 
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SC 77A Work programme (9)

Project

Reference

Document

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Fcst. Publ.

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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

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

2018-03

PWI TR 77A-4

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

2019-08

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 2019-09 PCC
  • PCC
  • Preparation of CC

2020-08

2020-09

WG 8 Xavier YANG 2023-10
IEC 61000-3-3/AMD2 ED3

Amendment 2 - 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

77A/1075/CDV 2020-02 PRVC
  • PRVC
  • Preparation of RVC

2020-08

2020-10

WG 2 Frank Deter 2021-10
IEC TR 61000-3-10 ED1

Emission limits in the frequency range 2 ... 9 kHz

77A/122/NP
1995-07 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 2018-11 APUB
  • APUB
  • Approved for publication

2020-03

WG 1 Joe Prisco 2021-06
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 2020-02 CDM
  • CDM
  • CD to be discussed at meeting

2020-10

2021-03

WG 1 Firuz Zare 2022-11
IEC 61000-4-30/AMD1 ED3

Amendment 1: Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods

77A/1080/CDV 2019-09 APUB
  • APUB
  • Approved for publication

2020-11

2021-01

WG 9 Michael Schwenke 2021-04