Moldova standards PDF

Electrical insulation systems - Procedures for thermal evaluation - Part 21- Specific requirements for general-purpose models - Wire-wound applications. IEC 61857-21:2009. Original standard IEC 61857-21-2009 in PDF full version. Additional info + preview on request

Document status: Active

Electrical insulation systems - Procedures for thermal evaluation - Part 22- Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS). IEC 61857-22:2008. Original standard IEC 61857-22-2008 in PDF full version. Additional info + preview on request

Document status: Active

Electrical insulation systems - Procedures for thermal evaluation - Part 23- Specific requirements for general-purpose, tall-channel model - Wire-wound electrical insulation system (EIS). IEC 61857-23:2002. Original standard IEC 61857-23-2002 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61857-21-2009

Electrical insulation systems - Procedures for thermal evaluation - Part 31- Applications with a designed life of 5 000 h or less. IEC 61857-31:2017-01(en-fr). Original standard IEC 61857-31-2017 in PDF full version. Additional info + preview on request

Document status: Active

Electrical insulation systems - Procedures for thermal evaluation - Part 32- Multifactor evaluation with increased factors during diagnostic testing. IEC 61857-32:2019-10(en-fr). Original standard IEC 61857-32-2019 in PDF full version. Additional info + preview on request

Document status: Active

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1- Wire-wound winding EIS. IEC 61858-1:2014-02(EN-FR). Original standard IEC 61858-1-2014 in PDF full version. Additional info + preview on request

Document status: Active