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Autor:
Michał Kozupa, Roberto Zannol, Gianluca Bustreo, Miljenko Hrkac, Grzegorz Kmita, Karolina Kolber
Publikováno v:
Applied Mechanics and Materials. 798:135-139
Power transformers emit a very characteristic harmonic sound during operation. The sound spectrum consists of the harmonics of double frequency of the power grid with the fundamental of 100Hz or 120Hz in different countries around the world. This fun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::883535f12c94f7aa821b0174e12be08c
https://doi.org/10.4028/www.scientific.net/amm.798.135
https://doi.org/10.4028/www.scientific.net/amm.798.135
