Analysis of power consumption and losses in relation to supply voltage quality [Electronic resource]Vinnal, Toomas; Janson, Kuno; Kalda, HeljutEPE 2009 : 13th European Conference on Power Electronics and Applications : 8-10 September 2009, Barcelona, Spain2009 / [9] p. : ill. [CD-ROM] https://ieeexplore.ieee.org/document/5278764