• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of IEC/SC 77A

IEC 77A/815/CDV 2013-06-14 IEC 61000-4-19: Electromagnetic compatibility (EMC) - Part 4-19: Testing and measurement techniques - Test for immunity to conducted, differential mode disturbances and signalling in the frequency range 2 kHz to 150 kHz at a.c. power ports More  Comment 
IEC 77A/801/CD 2012-10-19 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. ports More  Comment 
IEC 77A/783A/CD 2012-01-13 IEC 61000-4-19 Ed1: 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 (This document cancels and replaces 77A/783/CD) More  Comment 
IEC 77A/783/CD 2012-01-06 IEC 61000-4-19 Ed1: 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 More  Comment 
IEC 77A/761/CD 2011-07-22 IEC/TR 61000-4-37 Ed.1 : Electromagnetic compatibility (EMC) - Testing and measurement techniques -Calibration and verification protocol for harmonic emission compliance test systems More  Comment 
IEC 77A/758/NP 2011-07-15 New Work Item proposal on EC/TR 61000-4-XX. Electromagnetic Compatibility (EMC) -Testing and measurement techniques - Calibration and Verification Protocol for Flicker Compliance test systems More  Comment 
IEC 77A/746/NP 2011-04-29 New Work Item Proposal on Electromagnetic Compatibility (EMC) Part 4-XX - 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 More  Comment 
IEC 77A/737/DC 2011-01-14 Maintenance of publications:- IEC 61000-2-2: Electromagnetic compatibility (EMC) - Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems and IEC 61000-2-12: Electromagnetic compatibility (EMC) - Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems More  Comment 
IEC 77A/738/DC 2011-01-14 Maintenance of publications: IEC 61000-4-13: Electromagnetic compatibility (EMC) - Testing and measurement techniques - Harmonics and interharmonics including mains signalling at a.c. power port, low frequency immunity tests and IEC 61000-4-16: Electromagnetic compatibility (EMC) -Testing and measurement techniques - Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz More  Comment 
IEC 77A/735/DC 2010-10-08 Ripple-current signalling, even harmonics and interharmonics More  Comment 

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