Assessment of higher harmonics influence to PMU measurement accuracyLöper, Mari; Salumäe, Uku; Kilter, Jako2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe) : Torino, Italy 26-29 September 2017 : Conference Proceedings2017 / 6 p. : ill https://doi.org/10.1109/ISGTEurope.2017.8260271