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101 0 _aeng
102 _aUS
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aOn Improving the Technology of Pulse-Flaw Detection of High-Voltage Power Transformer Windings
_dО совершенствовании технологии импульсного дефектографирования обмоток высоковольтных силовых трансформаторов
_fA. V. Mytnikov, I. A. Kavun
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 7 tit.]
330 _aThe fundamental possibility of monitoring the mechanical state of the windings of a high-voltage power transformer using only one stage of the diagnostic procedure—a probing pulse—has been established. It is shown that the “lodging of conductors” winding defect is determined by spectral analysis of the probing pulse applied to the winding under examination. The results of probing-pulse analysis make it possible to control the degree of defect development. Experiments performed for various probing-pulse lengths in the range of 20—520 ns made it possible to establish the optimal duration in terms of the efficiency of defect detection, which is in the region of 100 ns. The presence of one stage significantly increases the potential efficiency of pulse-flaw detection due to a reduction in the time for examining the active part, a decrease in measurement errors, and the possibility of monitoring the state of the active part under operating voltage when the probing-pulse generator is connected through a PIN sensor of high-voltage input.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tRussian Electrical Engineering
463 _tVol. 94, iss. 2
_v[P. 116-119]
_d2023
510 1 _aО совершенствовании технологии импульсного дефектографирования обмоток высоковольтных силовых трансформаторов
_zrus
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _ahigh-voltage power transformers
610 1 _awindings
610 1 _apulse-flaw detection
610 1 _adiagnostics
610 1 _aprobing pulse
610 1 _aspectral analysis
700 1 _aMytnikov
_bA. V.
_cspecialist in the field of energy
_cassociate Professor of Tomsk Polytechnic University, candidate of technical Sciences
_f1966-
_gAleksey Vladimirovich
_2stltpush
_3(RuTPU)RU\TPU\pers\36496
701 1 _aKavun
_bI. A.
_gIgor Alexandrovich
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа энергетики
_bОтделение электроэнергетики и электротехники (ОЭЭ)
_h8022
_2stltpush
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801 2 _aRU
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_c20230908
_gRCR
856 4 _uhttps://doi.org/10.3103/S1068371223020062
942 _cCF