Groupleader
Main research areas
- Precise diagnostics and electrical parameters measurement of solid, liquid and gaseous dielectrics.
- Measurement of residual electrical strength.
- Investigation into interference, internal and surface partial discharge measurement and EMC testing.
- Development activities in power medium/high cable insulation diagnostics.
- Aging processes of dielectric materials.
- Detectors of discharge activity/pre-fault conditions of energetic equipment.
- Measurement of the real behavior of alternative gases and gas mixtures to SF6.
Main practical research results
Products, prototypes, software:
- Test Discharge Cell. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F22%3APR37591
- Sensor for fault states measurement of electrical stations. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F23%3APR37641
- Modular communication unit for fault condition indicators of electrical stations. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F23%3APR38690
- Precise DC Source 1.2 kV. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F19%3APR29520?query=vc4iaac7e4ka
- Electrode system for small solid dielectric material. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F19%3APR29521?query=zulyaadf5ema
- Experimental chamber for analysis of the evaporation of plastic materials and their influence on arc behavior. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F18%3APR29532?query=3asaaadf2l7a
- Automatic induction heating system for high voltage cables. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F16%3APR28948?query=3asaaadf2l7a
- Rectifier for high voltahe AC testing source. https://starfos.tacr.cz/en/vysledky-vyzkumu/RIV%2F00216305%3A26220%2F16%3APR28950?query=3asaaadf2l7a
Projects (founded by public):
- Development of predictive diagnostic system for equipment of electrical substations. https://starfos.tacr.cz/en/projekty/TK04020068?query=3jpqaacueyaq
- Streamers and surface flashover discharges on insulators in alternative gases to SF6. https://starfos.tacr.cz/en/projekty/TK04020069?query=62uiaacmysra
- CVVOZE Power Laboratories. https://starfos.tacr.cz/en/projekty/LM2015092?query=7qlaaadfrmla
Main research publications
- KRBAL, M.; PELIKÁN, L.; ŠTĚPÁNEK, J.; ORSÁGOVÁ, J.; KOLCUNOVÁ, I. A Physical Calibrator for Partial Discharge Meters. ENERGIES, 2019, roč. 12, č. 11, s. 1-10. ISSN: 1996-1073. https://doi.org/10.3390/en12112057
- KRBAL, M.; PELIKÁN, L.; BUKVIŠOVÁ, Z.; KOLCUNOVÁ, I. Heating MV Cables to the Exact Temperature for Combined Test. Przeglad Elektrotechniczny, 2019, roč. 10/2019, č. 11, s. 193-199. ISSN: 0033-2097. https://www.doi.org/10.15199/48.2019.11.48
- KRBAL, M.; ŠTĚPÁNEK, J.; PELIKÁN, L.; ORSÁGOVÁ, J.; KOLCUNOVÁ, I. Comparison of Electric and Radiometric Methods for Liquid Dielectric Diagnostic. Przeglad Elektrotechniczny, 2019, roč. 6/2019, č. 04, s. 15-22. ISSN: 0033-2097. www.doi.org/10.15199/48.2019.06.04
- POURAKBARI KASMAEI, M.; MAHMOOD, F.; KRBAL, M.; PELIKÁN, L.; ORSÁGOVÁ, J.; TOMAN, P.; LEHTONEN, M. Evaluation of Filtered Spark Gap on the Lightning Protection of Distribution Transformers: Experimental and Simulation Study. ENERGIES, 2020, roč. 13, č. 15, s. 1-23. ISSN: 1996-1073. https://doi.org/10.3390/en13153799
- ŠÁRPATAKY, M.; KRBAL, M.; KURIMSKÝ, J.; RAJŇAK, M.; ADAMČÁK, M. Dielectric Performance of Natural- and Synthetic-Ester-Based Nanofluids with Fullerene Nanoparticles. ENERGIES, 2022, roč. 16, č. 343, s. 1-15. ISSN: 1996-1073. https://doi.org/10.3390/en16010343
- KYSELOVÁ, D.; MIKEŠ, J.; AMBROŽOVÁ, I.; BENTON, E.; ŠTĚPÁN, V.; SOMMER, M.; KRBAL, M.; PELIKÁN, L.; PLOC, O.; REITZ, G. Measurements of radiation induced by a spark discharge under laboratory conditions. RADIATION MEASUREMENTS, 2020, roč. 137, č. 106420, s. 1-5. ISSN: 1350-4487. https://doi.org/10.1016/j.radmeas.2020.106420
- ŠÁRPATAKY, M.; KRBAL, M.; KURIMSKÝ, J.; RAJŇAK, M.; PAULOVIČOVÁ, K.; PELIKÁN, L. Synthetic and natural ester-based nanofluids with fullerene and magnetite nanoparticles – An experimental AC breakdown voltage study. JOURNAL OF MOLECULAR LIQUIDS, 2022, roč. 368, č. B, s. 1-11. ISSN: 0167-7322. https://doi.org/10.1016/j.molliq.2022.120802
- ŠTĚPÁNOVÁ, D.; KRBAL, M.; MIKEŠ, J.; ŠTĚPÁN, V.; PLOC, O. VERTICAL DOSIMETRIC MEASUREMENT OF ELECTRIC DISCHARGE INDUCED AT LIGHTNING IMPULSE VOLTAGE GENERATOR. RADIATION PROTECTION DOSIMETRY, 2022, roč. 198, č. 9-11, s. 617-622. ISSN: 1742-3406. https://doi.org/10.1093/rpd/ncac107
