International
Electrotechnical
Commission
International Standards and Conformity Assessment
for all electrical, electronic and related technologies
SC 77A |
EMC - Low frequency phenomena |
SC 77A Working Documents since 2012-02-04
  Reference, Title | Downloads | Circulation Date | Closing Date | CENELEC | Voting / Comment | Authorized Committees |
|---|---|---|---|---|---|---|
77A/804/CCCompilation of comments on 77A/787/CD - IEC 61000-4-30: Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques -Power quality measurement methods | 2012-12-07 | yes | ||||
77A/805/CDIEC 61000-4-30: Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques -Power quality measurement methods | 2012-12-07 | 2013-02-08 | yes | TC 38 TC 85 | ||
77A/803/RVCResult of voting on 77A/785/CDV - IEC 61000-3-3: Electromagnetic compatibility (EMC) - 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 | 2012-11-09 | yes | ||||
77A/801/CDIEC 61000-4-19: Electromagnetic Compatibility (EMC) Part 4-19 - Testing and measurement techniques - Test for immunity to conducted, differential mode disturbances in the frequency range from 2 kHz to 150 kHz, at a.c. ports | 2012-10-19 | 2013-01-04 | ? | Report of Comments | TC 13 | |
77A/802/DCMaintenance programme - Call for comments regarding preparation of Edition 3 of IEC 61000-4-11: Electromagnetic compatibility (EMC) - Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests | 2012-10-19 | 2012-12-14 | Report of Comments | |||
77A/800/RVDResult of vote on 77A/792/ISH - Interpretation sheet 1 to IEC 61000-3-12: Interpretation of requirements for equipment with unforeseen low input currents during tests according to 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 | 2012-08-10 | ? | ||||
77A/799/INFLiaison between SC 77A and CISPR | 2012-07-13 | |||||
77A/798/ACChairmanship of SC 77A : EMC - Low frequency phenomena | 2012-07-06 | 2012-10-05 | Report of Comments | |||
77A/793/INFIEC TC 22 - 22/199/CD - Maintenance for IEC/TS 62578: Power electronics systems and equipment - Technical Specification: Operation conditions and characteristics of active infeed
converter applications including recommendations for emission limits below 150 kHz
| 2012-06-22 | |||||
77A/797/CCCompilation of comments on 77A/761/CD - IEC/TR 61000-4-37 : Electromagnetic compatibility (EMC) - Testing and measurement techniques -Calibration and verification protocol for harmonic emission compliance test systems | 2012-06-22 | ? | ||||
77A/796/CCCompilation of comments on 77A/756/CD - Amendment to IEC 61000-3-2 (f3): Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input curent ? 16 A per phase) | 2012-06-22 | ? | ||||
77A/795/CCCompilation of comments on 77A/751/CD - Amendment to IEC 61000-3-2 (f2): Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input curent ? 16 A per phase) | 2012-06-22 | yes | ||||
77A/794/CCCompilation of comments on 77A/750/CD - Amendment to IEC 61000-3-2 (f1): Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input curent ? 16 A per phase) | 2012-06-22 | yes | ||||
77A/792/ISHInterpretation sheet 1 to IEC 61000-3-12: Interpretation of requirements for equipment with unforeseen low input currents during tests according to 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 | 2012-06-01 | 2012-08-03 | ? | Voting Result | ||
77A/790/CCCompilation of comments on 77A/783A/CD - IEC 61000-4-19: Electromagnetic Compatibility (EMC) Part 4-19 - Testing and measurement techniques - Test for immunity to conducted, differential mode disturbances in the frequency range from 2 kHz to 150 kHz, at a.c. | 2012-05-25 | ? | ||||
77A/791/INFLiaison activity : IEC SC77A/CIGRE C4 - Interim Report from CIGRE C4.111: Voltage Fluctuation Compatibility Levels
| 2012-05-25 | |||||
77A/788/INFReport of Comments on DC - Document 77A/780/DC: 77A/780/DC was submitted to National Committees in view of the preparation of an Interpretation Sheet.
| 2012-04-06 | |||||
77A/789/RVCResult of voting on 77A/784/DTR - IEC/TR 60725: Consideration of reference impedances and public supply network impedances for use in determining disturbance characteristics of electrical equipment having a rated current ? 75 A per phase | 2012-04-06 | no | ||||
77A/785F/CDV | 2012-03-23 | yes | ||||
77A/786/RRReview Report on IEC 61000-4-30: Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods | 2012-02-24 | yes | ||||
77A/787/CDIEC 61000-4-30: Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods | 2012-02-24 | 2012-05-25 | yes | Report of Comments | TC 38 TC 85 | |
77A/785/CDVIEC 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 | 2012-02-17 | 2012-07-20 | yes | Voting Result |
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