TY - JOUR AU - BAL, Semih AU - Tamus, Zoltán Ádám TI - A Method for Assessing the Degradation of PVC-Insulated Low-Voltage Distribution Cables Exposed to Short-Term Cyclic Aging JF - ELECTRONICS (SWITZ) VL - 13 PY - 2024 IS - 6 PG - 20 SN - 2079-9292 DO - 10.3390/electronics13061085 UR - https://m2.mtmt.hu/api/publication/34741724 ID - 34741724 AB - The distribution grid comprises cables with diverse constructions. The insulating material used in low-voltage (LV) distribution cables is predominantly PVC. Furthermore, the presence of cables with different structures in the grid poses challenges in detecting the aging of the cable network. Finding a universal and dependable condition-monitoring technique that can be applied to various types of cables is indeed a challenge. The diverse construction and materials used in different cables make it difficult to identify a single monitoring approach that can effectively assess the condition of all cables. To address this issue, this study aims to compare the thermal aging behavior of different LV distribution cables with various structures, i.e., one cable contains a PVC belting layer, while the other contains filler material. The growing adoption of distributed generation sources, electric vehicles, and new consumer appliances in low-voltage distribution grids can lead to short, repetitive overloads on the low-voltage cable network. Hence, these cable samples were exposed to short-term cyclic accelerated aging in the climate chamber at 110 °C. The cable’s overall behavior under thermal stress was evaluated through frequency and time domain electrical measurements (including tan δ and extended voltage response) and a mechanical measurement (Shore D). The tan δ was measured in the frequency range of 20 Hz–500 kHz by using the Wayne-Kerr impedance analyzer. The extended voltage response measurement was conducted using a C# application developed in-house specifically for laboratory measurements in the .NET environment. The study observed a strong correlation between the different measurement methods used, indicating that electrical methods have the potential to be adopted as a non-destructive condition-monitoring technique. LA - English DB - MTMT ER - TY - CHAP AU - Drajkó, Szonja Imola AU - Tamus, Zoltán Ádám ED - Vassányi, István ED - Fogarassyné Vathy, Ágnes TI - A koronavírus megbetegedési és halálozási adatainak Fourier-analízise T2 - Orvosi informatika. A XXXVI. Neumann Kollokvium konferencia-kiadványa PB - Neumann János Számítógép-tudományi Társaság CY - Veszprém SN - 9789633962725 PY - 2023 SP - 161 EP - 166 PG - 6 UR - https://m2.mtmt.hu/api/publication/34470803 ID - 34470803 LA - Hungarian DB - MTMT ER - TY - JOUR AU - BAL, Semih AU - Tamus, Zoltán Ádám TI - Analyzing the Impact of Short-Term Cyclic Thermal Ageing on PVC Insulated Low Voltage Samples with Polarization/Depolarization Current Measurement JF - ACTA POLYTECHNICA HUNGARICA J2 - ACTA POLYTECH HUNG VL - 20 PY - 2023 IS - 9 SP - 77 EP - 91 PG - 15 SN - 1785-8860 DO - 10.12700/APH.20.9.2023.9.5 UR - https://m2.mtmt.hu/api/publication/34221185 ID - 34221185 N1 - Project no. 142814 has been implemented with the support provided by the Ministry of Culture and Innovation of Hungary from the National Research, Development and Innovation Fund, financed under the FK_22 funding scheme. LA - English DB - MTMT ER - TY - CONF AU - Nouini, Oumaima AU - Tamus, Zoltán Ádám TI - Ageing behaviour analysis of different cores of multicore nuclear power plant instrumentation and control cables by dielectric spectroscopy T2 - Jicable'23 - International Conference on Insulated Power Cables PY - 2023 SP - E6-4 PG - 6 UR - https://m2.mtmt.hu/api/publication/34144798 ID - 34144798 N1 - Project no. 123672 has been implemented with the support provided by the National Research, Development and the Innovation Fund of Hungary, financed under the KNN_16 funding scheme. LA - English DB - MTMT ER - TY - CONF AU - Tamus, Zoltán Ádám AU - Róbert, Egyed TI - Condition monitoring of high voltage cable lines based on damped ac technique T2 - Jicable'23 - International Conference on Insulated Power Cables PY - 2023 SP - C5.6 PG - 5 UR - https://m2.mtmt.hu/api/publication/34144783 ID - 34144783 LA - English DB - MTMT ER - TY - CONF AU - BAL, Semih AU - Tamus, Zoltán Ádám TI - The Effect of Short-Term Cyclic Thermal Stress on Dielectric Parameters on Low Voltage Distribution Cables with Different Structure in Smart Grid Related Environment T2 - Jicable'23 - International Conference on Insulated Power Cables PY - 2023 SP - P2-10 PG - 6 UR - https://m2.mtmt.hu/api/publication/34141808 ID - 34141808 LA - English DB - MTMT ER - TY - CHAP AU - Tamus, Zoltán Ádám AU - Nouini, Oumaima TI - Frequency Domain Spectroscopy Analysis of EPR/CSPE Insulated Nuclear Power Plant Cable Samples Subjected to Irradiation Ageing and Combined Irradiation and Mechanical Ageing T2 - 2023 INSUCON - 14th International Electrical Insulation Conference (INSUCON) PY - 2023 SP - 179 EP - 184 PG - 6 UR - https://m2.mtmt.hu/api/publication/34038003 ID - 34038003 LA - English DB - MTMT ER - TY - CHAP AU - BAL, Semih AU - Jasim, A.G.N.A. AU - Tamus, Zoltán Ádám TI - Analyzing the Effect of thermal Ageing on Low Voltage Distribution Cables in Relation to their Structure T2 - 2023 INSUCON - 14th International Electrical Insulation Conference (INSUCON) PY - 2023 SP - 209 EP - 214 PG - 6 UR - https://m2.mtmt.hu/api/publication/34037986 ID - 34037986 LA - English DB - MTMT ER - TY - JOUR AU - BAL, Semih AU - Tamus, Zoltán Ádám TI - Investigation of the Structural Dependence of the Cyclical Thermal Aging of Low-Voltage PVC-Insulated Cables JF - SYMMETRY (BASEL) J2 - SYMMETRY-BASEL VL - 15 PY - 2023 IS - 6 SP - 1186 SN - 2073-8994 DO - 10.3390/sym15061186 UR - https://m2.mtmt.hu/api/publication/34004224 ID - 34004224 N1 - Funding Agency and Grant Number: National Research, Development, and Innovation Fund of Hungary [123672]; [KNN_16] Funding text: Project no. 123672 was implemented with support provided by the National Research, Development, and Innovation Fund of Hungary, financed under the KNN_16 funding scheme. AB - The increasing penetration of distributed generation sources in low-voltage distribution grids, electric vehicles, and new appliances from the consumer side can generate short repetitive overloads on the low-voltage cable network. This work investigates the change in the dielectric properties of low-voltage cable insulation caused by short-term overloads, examining how the cable structure affects the dielectric characteristics of the cable specimens in the case of cyclic short-term thermal aging. PVC-insulated low-voltage cable samples were exposed to an accelerated aging test in a temperature-controlled oven after changing their structures by removing different layers. Three aging cycles, each of six hours, were applied to the samples. After each cycle, the tan δ and capacitance were measured by an Omicron DIRANA Dielectric Response Analyzer in the laboratory at room temperature 24 ± 0.5 °C. Furthermore, the polarization and depolarization currents were also studied. The results show that changing the cable structure impacts the dielectric parameters; in particular, the effect of the belting layer is significant. From the point of view of aging, the PVC belting layer protects the diffusion of the plasticizers of the inner structure. The findings of the study show that an asymmetric aging phenomenon can be observed in different polymeric components of the cables, even though the cables were aged in an air-circulated oven ensuring a homogeneous temperature distribution in the samples. LA - English DB - MTMT ER - TY - CHAP AU - BAL, Semih AU - Tamus, Zoltán Ádám ED - Molnár, György TI - Analyzing the Effect of Thermal Stress on Dielectric Parameters of PVC Insulated Low Voltage Cable Sample T2 - IEEE 5th International Conference and Workshop in Óbuda on Electrical and Power Engineering (CANDO-EPE 2022) PB - IEEE CY - Budapest SN - 9798350346190 PY - 2022 SP - 000067 EP - 000072 PG - 6 DO - 10.1109/CANDO-EPE57516.2022.10046360 UR - https://m2.mtmt.hu/api/publication/33733404 ID - 33733404 N1 - Correspondence Address: Bal, S.; Budapest University of Technology and Economics, Hungary; email: semihbal@edu.bme.hu LA - English DB - MTMT ER -