Benslimane, T. “Open Switch Faults Detection and Localization Algorithm for Three Phases Shunt Active Power Filter Based on Two Level Voltage Source Inverter”. Elektronika Ir Elektrotechnika, vol. 74, no. 2, Feb. 2007, pp. 21-24, https://eejournal.ktu.lt/index.php/elt/article/view/10354.