[
[1] M. Bikić: Dijagnostičke metode za otkrivanje kvarova na transformatoru, Diplomski rad, Sveučilište Josipa Jurja Strossmayera u Osijeku, Fakultet elektrotehnike, računarstva i informacijskih tehnologija Osijek, pp. 3-7, Osijek 2020
]Search in Google Scholar
[
[2] S. Gazivoda, A. Mikulecky: Diagnostics of distribution transformers, 1.SAVJETOVANJE HO CIRED, Šibenik, pp. 2-4, 18. – 21. Maj 2008
]Search in Google Scholar
[
[3] E. Kurtić, F. Aličić: Revitalization and diagnostic tests of power transformer of electric traction substation, 15. SAVJETOVANJE BH K/O CIGRE, Neum, pp. 2-3, 17. – 20. Oktobar 2021
]Search in Google Scholar
[
[4] S.J. Tee, Q. Liu: Practice of IEC 60422 in ageing assessment of in-service transformers, the 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic, pp. 1-2, August, 23 – 28, 2015
]Search in Google Scholar
[
[5] SIEMENS: GEAFOL Cast-Resin Transformers 100 to 16,000 kVA, Catalog TV1 2013 3-15
]Search in Google Scholar
[
[6] ABB: SafeRing/SafePlus 12/24 kV, Installation and operating instructions
]Search in Google Scholar
[
[7] ABB: Self powered feeder protection REJ603, Application manual
]Search in Google Scholar
[
[8] IEC 60156-95: Insulating liquids - Determination of the breakdown voltage at power frequency – Test method
]Search in Google Scholar
[
[9] IEC 60422:2013: Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
]Search in Google Scholar
[
[10] IEC 60167: Methods of test for the determination of the insulation resistance of solid insulating materials
]Search in Google Scholar
[
[11] IEC 60751: Industrial platinum resistance thermometers and platinum temperature sensors
]Search in Google Scholar
[
[12] IEC 62271-100: High-voltage switchgear and controlgear - Part 100: Alternating-current circuit breakers
]Search in Google Scholar
[
[13] IEC 61850: is an international standard defining communication protocols for intelligent electronic devices at electrical substations
]Search in Google Scholar
