Power quality issues concerning photovoltaic generation and electrical vehicle loads in distribution gridsNiitsoo, Jaan; Taklaja, Paul; Palu, Ivo; Klüss, JoniSmart grid and renewable energy2015 / p. 164-177 : ill Power quality issues concerning photovoltaic generation in distribution gridsNiitsoo, Jaan; Jarkovoi, Marek; Taklaja, Paul; Klüss, Joni; Palu, IvoSmart grid and renewable energy2015 / p. 148-163 : ill