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

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  • Climate change Standards and specifications support climate targets

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

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Projects of IEC/TC 33

IEC 33/426A/NP 2006-01-27 Comments received on 33/426/NP (Future IEC 62146-1, Ed. 1.0: Grading capacitors for high-voltage alternating current circuit-breakers) More  Comment 
IEC 33/408/CD 2004-12-03 IEC 62146-1 Ed. 1.0: Grading capacitors for high-voltage alternating current circuit-breakers More  Comment 
IEC 33/405/NP 2004-06-25 IEC 60143-4: Series capacitors for power systems - Part 4: Thyristor controlled series capacitors More  Comment 
IEC 33/393/CD 2003-05-23 IEC 61071, Ed. 1: Capacitors for power electronics More  Comment 
IEC 33/388/DC 2003-01-31 Call for TC 33 observers to TC 98/JWG 10 (TC98/TC42) More  Comment 
IEC 33/356A/NP 2001-11-23 Comments received on 33/356/NP: IEC 61921: Low voltage automatic power factor correction capacitor banks More  Comment 
IEC 33/309/NP 1999-03-26 Proposal of the Swedish NC: New part of Standard series IEC 60143-4: Series capacitors for power systems More  Comment 
IEC 33/339/CD 1999-03-12 IEC 60143-4 Ed.1.0: Series capacitors for power systems - Part 4: Thyristors controlled series capacitors More  Comment 
IEC 33/294/CD 1998-11-06 Amendment 2 to IEC 60831-1 and IEC 60931-1: Changes in Sub-clauses 10.1 and 10.2 and in Clause 15 More  Comment 
IEC 33/290/NP 1998-05-01 Proposal of the French NC: Amendment to IEC 60831-1: Shunt power capacitors of self heating type for a.c. systems having a rated voltage up to and including 1000 V More  Comment 

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