This article presents a new approach of partial discharges (PD) source location in power cables. The main advantage of this approach is the detection of the propagation direction of the PD. The method provides a pattern named by the authors PD+D, which, in contrast to the well–known phase-resolved partial discharge (PRPD) pattern, graphically shows the direction of PD propagation and uses the polarity of a sensor array on top of the magnitudes of the positive and negative parts of each PD pulse to detect the direction of propagation, is described in detail. The proposed technique is useful for the evaluation and diagnosis of power cables, since it can identify incipient faults. The attained results that demonstrate the value of this methodology and their scope and limitations are discussed.
DensleyJ (2001) Aging mechanisms and diagnostics for power cables, an overview. IEEE Electrical Insolation Magazine17(1): 14–22.
2.
El MountassirOStewartBGMcMeekinSGAhmadiniaA (2012) Effect of noise on the location accuracy of partial discharges using radiated RF detection techniques. In: IEEE 47th International Universities Power Engineering Conference (UPEC), 4–7 September, Uxbridge, UK, pp. 1–6.
3.
GongDSunJZhaoZ (2014) Research on directional coupler measurement in partial discharge monitoring of XLPE cable. In: IEEE Proceedings of 2014 International Symposium on Electrical Insulating Materials (ISEIM), Niigata, Japan, 1–5 June, pp. 253–256.
4.
HaytW (2011) Engineering Electromagnetics (4th ed.). New York: McGraw-Hill.
5.
InatomiAMakkiSKozakoMet al. (2014) Study of direction identification of partial discharge using multi small loop sensors. In: IEEE Proceedings of 2014 International Symposium on Electrical Insulating Materials (ISEIM), Niigata, Japan, 1–5 June, pp. 245–248.
6.
IshimaruHKawadaM (2011) Location of multiple partial discharge sources using MAP estimation for consecutive pulses. In: IEEE Proceedings of 2011 International Conference on Electrical Insulating Materials (ISEIM), Kyoto, Japan, 6–10 September, pp. 177–180.
7.
JamesJKulkarniSVParekhBR (2009) Partial discharge in high voltage equipment-HV cable. In: IEEE 9th International Conference on Properties and Applications of Dielectric Materials, 2009. ICPADM 2009, Harbin, China, 19–23 July, pp. 445–448.
8.
KimYHYounYWYiSHet al. (2014) High-resolution partial discharge location estimation in power cables. IEEE Transactions on Dielectrics and Electrical Insulation21(2): 758–765.
9.
MardianaRSuCQ (2011) Phase difference method for two-end partial discharge location in power cables. In: IEEE GCC Conference and Exhibition, Dubai, United Arab Emirates, 19–22 February, pp. 597–600.
10.
MashikianMS (2000) Partial discharge location as a diagnostic tool for power cables. In: IEEE Power Engineering Society Winter Meeting, Vol. 3, Singapore, 23–27 January, pp. 1604, 1608.
11.
MashikianMSBansalRNorthropRB (1990) Location and characterization of partial discharge sites in shielded power cables. IEEE Transactions on Power Delivery5(2): 833–839.
12.
PolakFSikorskiWSiodlaK (2014) Location of partial discharges sources using sensor arrays. In: 2014 International Conference on High Voltage Engineering and Application (ICHVE), Poznan, Poland, 8–11 September, pp. 1–4.
13.
SackKSuCQ (2010) A non-contact directional sensor for partial discharge measurements. In: Conference Record of the 2010 IEEE International Symposium on Electrical Insulation (ISEI), San Diego, California, 6–9 June, pp. 1–4.
14.
ShafiqMLehtonenMHussainGAKuttL (2014) Performance evaluation of PD monitoring technique integrated into medium voltage cable network for smart condition assessment. In: IEEE Electric Power Quality and Supply Reliability Conference, Rakvere, Estonia, 11–13 June, pp. 351–357.
15.
ShafiqMKuttLMahmoodFet al. (2013a) An improved technique to determine the wave propagation velocity of medium voltage cables for PD diagnostics. In: IEEE 2013 12th International Conference on Environment and Electrical Engineering (EEEIC), Wroclaw, Poland, 5–8 May, pp. 539–544.
16.
ShafiqMLehtonenMIsaMKuttL (2013b) Online partial discharge diagnostics in medium voltage branched cable networks. In: IEEE 2013 4th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG), Istanbul, Turkey, 13–17 May, pp. 246–251.
17.
SteinerJPReynoldsPHWeeksWL (1992) Estimating the location of partial discharges in cables. IEEE Transactions on Electrical Insulation27(1): 44–59.
