Projects of NA 022

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 10/845/CD 2011-07-22 IEC 62021-3 Ed.1: Insulating liquids - Determination of acidity - Part 3: Test methods for non mineral insulating oils More  Comment 
IEC 8/1297C/NP 2011-07-22 IEC/IEEE 63547 Ed.1.0: Connection criteria of dispersed generation up to 10MW to distribution network up to 35 kV More  Comment 
IEC 40/2124/NP 2011-07-22 Passive filter units for electromagnetic interference suppression: Part x: Harmonized Standard for passive filter units for which safety tests are appropriate More  Comment 
IEC 47F/91/NP 2011-07-22 Future IEC 62047-20: Semiconductor devices - Micro-electromechanical devices - Part 20: Gyroscopes More  Comment 
IEC 76/448/CD 2011-07-15 IEC 60825-14 Ed. 2: Safety of laser products - Part 14: A user's guide More  Comment 
IEC 31J/196/CD 2011-07-15 IEC 60079-14 Ed. 5.0: Explosive atmospheres - Part 14: Electrical installations design, selection and erection More  Comment 
IEC 31/951/CD 2011-07-15 IEC 60079-29-1 Ed. 2.0: Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases More  Comment 
IEC 57/1154/DC 2011-07-15 Draft IEC 61850-90-4 TR - Communication networks and systems for power utility automation - Part 90-4: Network engineering guidelines for substations More  Comment 
IEC 65E/198/CD 2011-07-15 IEC 62264-2: Enterprise system integration - Part 1: Object models and attributes More  Comment 

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