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 2018-08-20

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Date

Closing

Date

CENELEC

Voting /

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Of interest to

Committees

77A/1037/INF

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

2019-08-02 N/A
77A/1038/INF

CIGRE/SC C4 - Power system performances Liaison Report

2019-08-02 N/A
77A/1035/INF

Liaisons to be reviewed during SC77A Plenary Meeting in Shanghai (CN) (Item 10 of 77A/1031/DA)

2019-07-19 N/A
77A/1036/INF

Review of stability dates

2019-07-19 N/A
77A/1034/Q

AMENDMENT 1 FOR IEC 61000-4-30 ED. 3

2019-07-12 2019-08-23 N/A
77A/1033/Q

Maintenance of IEC 61000-2-4.

2019-06-28 2019-08-09 N/A Report of Comments
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)

2019-06-14 2019-09-06 Y
77A/1029A/RVC

Result of Voting on 77A/1016/CDV - 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

2019-06-07 Y
77A/1032/INF

Request from the British NC for consideration of measurement uncertainty in SC77A standards

2019-05-31 N/A
77A/1031/DA

Draft agenda for the meeting to be held in Shanghai, China, from October 15th, 2019 (starting time: 9:00) to October 15th, 2019 (approximate finishing time: 17:00)

2019-05-17 N/A
77A/1030/RQ

Result of Questionnaire on 77A/1024/Q: APPOINTMENT OF A NEW CONVENOR FOR WG 9 of IEC SC 77A: “Power Quality measurement methods”

2019-05-03 N/A
77A/1029/RVC

Result of Voting on 77A/1016/CDV - 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

2019-04-26 Y
77A/1026/CC

Compilation of Comments on 77A/1018/CD - 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)

2019-04-19 Y
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)

2019-04-19 2019-07-12 Y Report of Comments
77A/1024/Q

Appointment of a new Convenor for WG 9 of IEC SC 77A: “Power Quality measurement methods”

2019-03-15 2019-04-26 N/A Report of Comments
77A/1025/CC

Compilation of Comments on 77A/1015/CD - IEC 61000-3-12/AMD1/FRAG1 ED2: 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

2019-03-15 Y
77A/1023/INF

Compilation of comments on 77A/993/DC: Maintenance of publication:IEC 61000-4-7: Electromagnetic compatibility (EMC) - Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto

2019-02-15 N/A
77A/1022/AC

Appointment of a new convenor for WG 9 of IEC SC 77A: Power Quality measurement methods

2019-02-08 2019-03-08 N/A Report of Comments
77A/1021/RQ

Result of 77A/1019/Q: Formation of a new Joint Working Group (TC8, SC8A, SC77A, TC85, TC95) On Frequency measurement used to control DER and loads

2019-02-01 N/A
77A/1016/CDV

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

2018-12-28 2019-03-22 Y Voting Result
77A/1020/CD

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

2018-12-14 2019-02-08 N Report of Comments
77A/1018/CD

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)

2018-11-30 2019-01-25 Y Report of Comments
77A/1019/Q

Formation of a new Joint Working Group (TC8, SC8A, SC77A, TC85, TC95) On Frequency measurement used to control DER and loads

2018-11-30 2019-01-25 N/A Report of Comments
77A/1003A/RQ

Revised result of 77A/998/Q: Maintenance of IEC 61000-3-2 - Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for harmonic current emissions (equipment input current ≤ 16 A per phase)

2018-11-09 N/A
77A/1017/CC

Compilation of Comments on 77A/1006/CD - 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)

2018-11-09 Y
77A/1013/RR

Review report on IEC 61000-3-12/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

2018-11-02 U
77A/1014/CC

Compilation of Comments on 77A/1009/CD - IEC 61000-4-11 ED3: Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests

2018-11-02 Y
77A/1015/CD

IEC 61000-3-12/AMD1/FRAG1 ED2: 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

2018-11-02 2018-12-28 Y Report of Comments
77A/1012/RVDTR

Result of Voting on 77A/1002/DTR - IEC TR 61000-1-8 ED1: Electromagnetic Compatibility - Part 1-8: Phase angles of harmonic current emissions and voltages in the public supply networks, and future expectation

2018-10-26 N