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

SC 77A

EMC - Low frequency phenomena

 
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SC 77A Working Documents since 2019-09-22

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Date

Closing

Date

CENELEC

Voting /

Comment

Of interest to

Committees

77A/1088/DC

Additional information relating to 77A/1079/DC Document for Comment on the proposed revision of IEC TR 61000-1-4

2020-08-28 2020-10-09 N/A
77A/1087/RQ

Result of 77A/1085/Q: Confirmation of the SC 77A ACEC representative

2020-08-21 N/A
77A/1082A/DC

Revised: Maintenance of IEC 61000-2-4

2020-08-14 2020-09-11 N/A Report of Comments
77A/1080/CDV

IEC 61000-4-30/AMD1 ED3: Amendment 1: Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods

2020-07-24 2020-10-16 Y
TC 8
77A/1086/CD

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

2020-07-10 2020-10-02 N
77A/1081/CD

IEC 61000-2-4 ED3: Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances

2020-06-19 2020-08-14 Y Report of Comments
77A/1082/DC

Replaced by 77A/1082A/DC

2020-06-19 2020-08-21 N/A
77A/1083/RQ

Result of 77A/1078/Q: Establishment of an AhG (ad hoc group) related to measurement uncertainties in SC77A standards

2020-06-19 N/A
77A/1084/RVD

Result of Voting on 77A/1077/FDIS - IEC 61000-3-2/AMD1 ED5: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2020-06-19 Y
77A/1085/Q

Confirmation of the SC 77A ACEC representative

2020-06-19 2020-07-31 N/A Report of Comments
77A/1079/DC

Document for Comment on the proposed revision of IEC TR 61000-1-4

2020-06-05 2020-07-17 N/A Report of Comments
77A/1075/CDV

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

2020-05-15 2020-08-07 Y Voting Result
77A/1077/FDIS

IEC 61000-3-2/AMD1 ED5: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2020-05-01 2020-06-12 Y Voting Result
77A/1078/Q

Establishment of an AhG (ad hoc group) related to measurement uncertainties in SC77A standards and call for experts

2020-05-01 2020-06-12 N/A Report of Comments
77A/1076/RQ

Result of 77A/1068A/Q: Measurement uncertainties in SC77A standards and Call for Experts in WG 1, WG 2 and WG 6

2020-04-17 N/A
77A/1066A/RQ

Revised results of Questionnaire 77A/1060/Q: Amendment 2 for IEC 61000-3-3/Ed3

2020-03-27 N/A
77A/1073/AC

Appointment of a secretary and an assistant secretary

2020-03-27 N/A
77A/1074/RVC

Result of Voting on 77A/1042/CDV - IEC 61000-3-12/AMD1/FRAG1 ED2: Amendment 1/Fragment 1: 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

2020-03-27 Y
77A/1072A/RVC

Revised Result of Voting on 77A/1058/CDV - IEC 61000-3-2/AMD1/FRAG2 ED5: Amendment 1/Fragment 2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2020-03-13 Y
77A/1051A/RVC

Revised Result of Voting on 77A/1028/CDV - IEC 61000-3-2/AMD1/FRAG1 ED5: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2020-03-06 Y
77A/1070A/INF

Revised compilation of comments on 77A/1062/DC: Maintenance of IEC 61000-2-4: Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances

2020-03-06 N/A
77A/1072/RVC

Result of Voting on 77A/1058/CDV - IEC 61000-3-2/AMD1/FRAG2 ED5: Amendment 1/Fragment 2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2020-03-06 Y
77A/1071/RR

Review report on IEC 61000-3-3/Ed3: 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

2020-02-21 Y
77A/1069/RVN

Result of Voting on 77A/1061/NP - PNW TS 77A-1061 ED1: Electromagnetic compatibility (EMC) - Part 3-16: Limits - Limits for harmonic currents produced by energy supplying equipment connected to public low-voltage systems with a rated current less than or equal to 75 A per phase  

2020-02-07 N
77A/1070/INF

Compilation of comments on 77A/1062/DC: Maintenance of IEC 61000-2-4: Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances

2020-02-07 N/A
77A/1068A/Q

Revised: Measurement uncertainties in SC77A standards and Call for Experts in WG 1, WG 2 and WG 6

2020-01-24 2020-03-06 N/A Report of Comments
77A/1066/RQ

Results of Questionnaire 77A/1060/Q: Amendment 2 for IEC 61000-3-3/Ed3

2020-01-10 N/A
77A/1067/AC

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 - CALL FOR EXPERTS

2020-01-10 N/A
77A/1068/Q

Replaced by 77A/1068A/Q

2020-01-10 2020-02-21 N/A
77A/1065/RVDTR

Result of Voting on 77A/1055/DTR - IEC TR 61000-4-40 ED1: Electromagnetic compatibility (EMC) – Part 4-40: Testing and measurement techniques – Digital methods for the measurement of power quantities of modulated or distorted signals

2019-12-13 N
77A/1058/CDV

IEC 61000-3-2/AMD1/FRAG2 ED5: Amendment 1/Fragment 2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2019-11-29 2020-02-21 Y Voting Result
77A/1062/DC

Maintenance of IEC 61000-2-4

2019-11-22 2020-01-31 N/A Report of Comments
77A/1063/RM

Unconfirmed minutes of the IEC SC 77A Plenary Meeting held in Shanghai, China, from October 15th, 2019 (starting time: 9:00) to October 15th, 2019 (finishing time: 16:40)

2019-11-22 N/A
77A/1064/MTG

Shanghai tabled documents

2019-11-22 N/A
77A/1060/Q

AMENDMENT 2 FOR IEC 61000-3-3 ED. 3.0

2019-11-08 2019-12-20 N/A Report of Comments
77A/1061/NP

PNW TS 77A-1061 ED1: Electromagnetic compatibility (EMC) - Part 3-16: Limits - Limits for harmonic currents produced by energy supplying equipment connected to public low-voltage systems with a rated current less than or equal to 75 A per phase  

2019-11-08 2020-01-31 N Voting Result
77A/1042/CDV

IEC 61000-3-12/AMD1/FRAG1 ED2: Amendment 1/Fragment 1: 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

2019-10-18 2020-01-10 Y Voting Result
77A/1059/DL

List of decisions taken at the meeting of SC77A held in Shanghai, China, from October 15th, 2019 (starting time: 9:00) to October 15th, 2019 (finishing time: 16:40)

2019-10-18 N/A
77A/1037A/INF

Revised report on the activity of SC77A-WG8 between the 2017 and 2019 plenary meetings

2019-10-11 N/A
77A/1050A/CC

Compilation of Comments on 77A/1027/CD - IEC 61000-3-2/AMD1/FRAG2 ED5: Fragment 2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)

2019-10-11 Y
77A/1056/RVD

Result of Voting on 77A/1039/FDIS - IEC 61000-4-11 ED3: Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase

2019-10-11 Y
77A/1057/INF

Report on the activity of SC77A-WG6 - Low frequency immunity tests

2019-10-11 N/A
77A/1055/DTR

IEC TR 61000-4-40 ED1: Electromagnetic compatibility (EMC) – Part 4-40: Testing and measurement techniques – Digital methods for the measurement of power quantities of modulated or distorted signals

2019-10-04 2019-11-29 N Voting Result
77A/1053/INF

WG1 report to SC77A To be reviewed during SC77A Plenary Meeting in Shanghai (CN) (Item 7.1.1 of 77A/1031A/DA)

2019-09-27 N/A
77A/1054/INF

Report on the activity of SC77A WG9 between the 2017 and 2019 plenary meetings

2019-09-27 N/A