Metrological Qualification of PD Analysers for Insulation Diagnosis of HVDC and HVAC Grids. - Fernando Garnacho; Fernando Álvarez; Alf-Peter Elg; Christian Mier; Kari Lahti; Abderrahim Khamlichi; Eduardo Arcones; Joni V. Klüss; Armando Rodrigo-Mor; Pertti Pakonen; José Ramón Vidal; Álvaro Camuñas; et al. (Sensors, 2023)