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 2015-07-31

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77A/929/CDV

IEC 61000-3-11 Ed.2: Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems - Equipment with rated current <=75 A and subject to conditional connection
2016-07-222016-10-14yes
77A/931/CDV

Amendment 1 to IEC 61000-3-3 : 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
2016-07-222016-10-14yes
77A/933/DC

Maintenance of IEC 61000-3-12: 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
2016-07-082016-09-02
77A/926/CDV

Amendment 1 to IEC 61000-2-2 Ed.2: Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2016-06-102016-09-02yes
TC 13
TC 22
TC 61
TC 82
CISPR
77A/928/CC

Compilation of comments on 77A/887/CD - IEC 61000-3-11: Electromagnetic compatibility (EMC) - Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems - Equipment with rated current <=75 A and subject to conditional connection
2016-05-20yes
77A/930/CC

Compilation of comments on 77A/884/CD: IEC 61000-3-3: 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
2016-05-20yes
77A/932/DC

Document for comments regarding IEC 61000-4-15 Ed.2 in view of the preparation of an Interpretation Sheet (ISH)
2016-05-202016-07-01Report of Comments
77A/925/CDV

Amendment 1 to IEC 61000-4-11: Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests
2016-04-292016-07-22yesVoting Result
77A/927/RR

Review Report of IEC 61000-2-2 Ed.2: Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2016-04-22yes
77A/922A/INF

Revised Compilation of comments on 77A/915/DC: Maintenance programme - Call for comments regarding maintenance of IEC 61000-2-2: Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2016-04-15
77A/923A/CC

Revised Compilation of comments on 77A/914/CD: Amendment 1 to IEC 61000-2-2: Electromagnetic compatibility (EMC) - Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2016-04-08yes
77A/924/CC

Compilation of comments on 77A/892/CD - Amendment 1 to IEC 61000-4-11: Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests
2016-02-26yes
77A/921/CC

Compilation of comments on 77A/918/CD - IEC 61000-3-2 (f3): Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ? 16 A per phase)
2016-01-22yes
77A/922/INF

Report of comments and comments on 77A/915/DC: Maintenance programme - Call for comments regarding maintenance of IEC 61000-2-2: Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2016-01-22
77A/923/CC

Compilation of comments on 77A/914/CD: Amendment 1 to IEC 61000-2-2: Electromagnetic compatibility (EMC) - Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2016-01-22yes
77A/912A/CDV

IEC 61000-3-2 (f2): Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ? 16 A per phase)
2015-12-182016-03-04yesVoting Result
77A/920/RVC

Result of voting on 77A/911/DTR - IEC TR 61000-1-7: Electromagnetic compatibility (EMC) - General - Power factor in single phase systems under non-sinusoidal conditions
2015-12-18no
77A/919/RVC

Result of voting on 77A/907/DTR - IEC TR 61000-4-37: Electromagnetic Compatibility (EMC) : Testing and measurement techniques - Calibration and verification protocol for harmonic emission compliance test systems
2015-12-04no
77A/912/CDV

This document has been cancelled and replaced by 77A/912/CDV
2015-11-27yes
77A/916/RVD

Report of Voting on 77A/904/FDIS - Amendment 2 to IEC 61000-4-13: Electromagnetic compatibility (EMC) - Part 4-13: Testing and measurement techniques - Harmonics and interharmonics including mains signalling at a.c. power port, low frequency immunity tests
2015-11-13yes
77A/917/RVD

Report of Voting on 77A/905/FDIS - IEC 61000-4-16: Electromagnetic compatibility (EMC) - Part 4-16: Testing and measurement techniques - Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz
2015-11-13yes
77A/918/CD

IEC 61000-3-2 (f3): Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ? 16 A per phase)
2015-11-132016-01-15yesReport of Comments
77A/914/CD

Amendment 1 to IEC 61000-2-2: Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2015-11-062016-01-15yesReport of Comments
TC 13
TC 22
TC 61
TC 82
CISPR
77A/915/DC

Maintenance of publication: IEC 61000-2-2: Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
2015-11-062016-01-15Report of Comments
77A/913/RM

Unconfirmed minutes of the IEC SC 77A Plenary Meeting held in Stresa (Italy), September 22nd, 2015
2015-10-09
77A/911/DTR

IEC TR 61000-1-7: Electromagnetic compatibility (EMC) - Part 1-7: General - Power factor in single phase systems under non-sinusoidal conditions
2015-09-182015-11-20noVoting Result
TC 34
TC 85
77A/908/CC

Compilation of comments on 77A/869/CD - IEC TR 61000-1-7: Electromagnetic compatibility (EMC) - Part 1-7: General - Power factor in single phase systems under non-sinusoidal conditions
2015-09-11no
77A/909/CD

IEC TR 61000-4-40: Electromagnetic compatibility (EMC) - Part 4-40: Testing and measurement techniques - Digital methods for the measurement of power quantities under non-stationary conditions
2015-09-112015-12-11?Report of Comments
77A/910/INF

Review of Active Participation of P-members in the Work of SC 77A
2015-09-11
77A/904/FDIS

Amendment 2 to IEC 61000-4-13: Electromagnetic compatibility (EMC) - Part 4-13: Testing and measurement techniques - Harmonics and interharmonics including mains signalling at a.c. power port, low frequency immunity tests
2015-09-042015-11-06yesVoting Result
TC 8
TC 13
TC 85
77A/905/FDIS

IEC 61000-4-16: Electromagnetic compatibility (EMC) - Part 4-16: Testing and measurement techniques - Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz
2015-09-042015-11-06yesVoting Result
77A/906/INF

Liaison activities: IEC SC 77A - TC 34
2015-09-04
77A/907/DTR

IEC TR 61000-4-37 : Electromagnetic Compatibility (EMC) : Testing and measurement techniques - Calibration and verification protocol for harmonic emission compliance test systems
2015-09-042015-11-13noVoting Result
77A/888A/DA

Revised draft agenda for the meeting to be held in Stresa, Italy, on 22nd September 2015 from 9:00 (starting time) to 17:30 (approximate finishing time)
2015-08-21
77A/895A/INF

Revised terms of office for WG Convenors - SC77A Plenary Meeting in Stresa (Agenda item 6.7)
2015-08-21
77A/900/PW

Programme of work of the subcommittee as recorded by IEC Central Office in its database
2015-08-21
77A/901/INF

Definition of Compatibility Levels in the Frequency range 2 - 150 kHz - Assessment of consensus level (Maintenance IEC 61000-2-2 and 61000-2-12)
2015-08-21
77A/902/INF

Report on the activity of SC77A-WG8:Description of the electromagnetic environment associated with the disturbances present on electricity supply networks (Between the 2013 and 2015 plenary meetings)
2015-08-21
77A/903/INF

Report on the activities of SC 77A/WG 1 between the 2013 and 2015 plenary meetings
2015-08-21
77A/899/INF

Report of comments and comments on CISPR/H/285/DC: Interference model in the frequency range 9 kHz 150 kHz
2015-08-14