Krievs O, Steiks I, Ribickis L. A PLL Scheme for Synchronization with Grid Voltage Phasor in Active Power Filter Systems. ECCE [Internet]. 2010 Jan. 1 [cited 2024 Nov. 5];27(1):134-7. Available from: https://ecce-journals.rtu.lv/ecce/article/view/v10144-010-0035-x