Khoshnami, A.; Sadeghkhani, I.: 'Fault detection for PV systems using Teager–Kaiser energy operator', Electronics Letters, 2018, 54, (23), p. 1342-1344, DOI: 10.1049/el.2018.6510
IET Digital Library, https://digital-library.theiet.org/;jsessionid=3tce08oca5mta.x-iet-live-01content/journals/10.1049/el.2018.6510