Validation of a Qualification Procedure Applied to the Verification of Partial Discharge Analysers Used for HVDC or HVAC Networks

• DOI: 10.3390/app13148214
• Publication Date: 2023-07-17T05:06:36Z
• Authors: Carlos Vera; Fernando Garnacho; Joni Klüss; Christian Mier; Fernando Álvarez; Kari Lahti; Abderrahim Khamlichi; Alf-Peter Elg; Armando Rodrigo Mor; Eduardo Arcones; Álvaro Camuñas; Pertti Pakonen; Javier Ortego; José Ramón Vidal; Miran Haider; Jorge Rovira; Pascual Simon; Antonio Squicciarini
• Keywords: Polarity (international relations)

The insulation condition of HVDC grids consisting cable systems, GIS, and converters should be monitored by partial discharge (PD) analysers using artificial intelligence (AI) tools for efficient diagnosis. Although there are many experiences PD monitoring solutions developed the supervision HVAC analysers, no standardised requirements their qualification available yet. international technical specification TS IEC 62478 provides general rules measurements electromagnetic methods but does not define performance tests. must tested unambiguous test procedures. This paper compiles with HFCT sensors in (cable AIS) to a procedure systems. is applicable AIS, converters) because particularities related behaviour under voltage also considered. Representative sources discussed positive negative polarity. pulse trend representative defects systems quite different from that grids. Special attention paid acquisition signals since few pulses appear solid insulations, mainly during changes (polarity reversals or surges), rarely continuous operation constant direct voltage. A synthetic simulator has been reproduce trains noise signals, similar those can power network. set three functionality tests diagnostic capabilities working up 30 MHz addressed grids: (1) recognition test, (2) clustering (3) location test. validated means round-robin performed five research institutes (RISE, FFII, TUDelft, TAU, UPM) commercial in-development AI demonstrate its robustness applicability. Applying this procedure, two electrical detection prevention have approved, one other