Moldova standards PDF

Semiconductor convertors - General requirements and line commutated convertors - Part 1-3- Transformers and reactors. CEI/IEC 146-1-3:1991. Original standard IEC 60146-1-3-1991 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Semiconductor converters - Part 2- Self-commutated semiconductor converters including direct d.c. converters. CEI/IEC 60146-2:1999. Original standard IEC 60146-2-1999 in PDF full version. Additional info + preview on request

Document status: Active

Semiconductor convertors. Part 4- Method of specifying the performance and test requirements of uninterruptible power systems. Original standard IEC 60146-4-1986 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 62040-3-2021

Semiconductor convertors. Part 5- Switches for uninterruptible power systems (UPS switches). Original standard IEC 60146-5-1988 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 62040-3-2021

Measurements of the electrical properties of electronic tubes and valves - Part 0- Precautions relating to methods of measurement of electronic tubes and valves. CEI/IEC 60151-0:1966. Original standard IEC 60151-0-1966 in PDF full version. Additional info + preview on request

Document status: Active

Measurements of the electrical properties of electronic tubes and valves - Part 1- Measurement of electrode current. CEI/IEC 60151-1:1963. Original standard IEC 60151-1-1963 in PDF full version. Additional info + preview on request

Document status: Active