
International Electrotechnical Vocabulary Part 551-20: Power electronics - Harmonic analysis
出版:International Electrotechnical Committee

專家解讀視頻
It has the status of a horizontal standard in accordance with IEC Guide 108<
NEN IEC 60050-551-20:2001 - Identical
UNE 21302-551-20:2004 - Identical
NFC 01 551-20:2001 - Identical
IEV KAPITEL 551 - Identical