Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices
Goal. Development of engineering method for settlement of threshold amplitudes Impk of single-pulse current ip(t) of different temporal shapes for electric wires and cables with polyethylene (PET), polyvinylchloride (PVC) and rubber (R) half-length insulation, used in modern pulsed power engineering...
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| Дата: | 2021 |
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| Формат: | Стаття |
| Мова: | English Ukrainian |
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National Technical University "Kharkiv Polytechnic Institute" and Аnatolii Pidhornyi Institute of Power Machines and Systems of NAS of Ukraine
2021
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| Назва журналу: | Electrical Engineering & Electromechanics |
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Electrical Engineering & Electromechanics| id |
eiekhpieduua-article-245865 |
|---|---|
| record_format |
ojs |
| institution |
Electrical Engineering & Electromechanics |
| baseUrl_str |
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| datestamp_date |
2021-12-03T08:03:07Z |
| collection |
OJS |
| language |
English Ukrainian |
| topic |
electrical wires and cables with polymer insulation electrothermal resistance of cable and wire products destruction of insulation threshold amplitudes of current pulses for wires and cables |
| spellingShingle |
electrical wires and cables with polymer insulation electrothermal resistance of cable and wire products destruction of insulation threshold amplitudes of current pulses for wires and cables Baranov, M.I. Buriakovskyi, S.G. Kniaziev, V.V. Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| topic_facet |
electrical wires and cables with polymer insulation electrothermal resistance of cable and wire products destruction of insulation threshold amplitudes of current pulses for wires and cables електричні проводи і кабелі з полімерною ізоляцією електротермічна стійкість кабельно-провідникової продукції деструкція ізоляції порогові амплітуди імпульсів струму для проводів і кабелів |
| format |
Article |
| author |
Baranov, M.I. Buriakovskyi, S.G. Kniaziev, V.V. |
| author_facet |
Baranov, M.I. Buriakovskyi, S.G. Kniaziev, V.V. |
| author_sort |
Baranov, M.I. |
| title |
Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| title_short |
Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| title_full |
Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| title_fullStr |
Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| title_full_unstemmed |
Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| title_sort |
destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices |
| title_alt |
Деструкция полимерной изоляции и пороговые амплитуды импульсов тока различной временной формы для электрических проводов и кабелей в слабо– и сильноточных цепях устройств импульсной энергетики, электротехники и электроники |
| description |
Goal. Development of engineering method for settlement of threshold amplitudes Impk of single-pulse current ip(t) of different temporal shapes for electric wires and cables with polyethylene (PET), polyvinylchloride (PVC) and rubber (R) half-length insulation, used in modern pulsed power engineering, electrical engineering and electronics in their low- and high-current circuits. Methodology. Basis of the theoretical and applied electrical engineering, electrical power engineering, electrophysics bases of technique of high-voltage and large pulsed currents, bases of low- and high-current electronics, measuring technique, electromagnetic compatibility and standardization. Results. Development of engineering method is executed on close calculation determination of threshold amplitudes Impk of single-pulse axial-flow current ip(t) of different temporal shapes for electric wires and cables with copper (aluminum) current-carrying parts and PET, PVC and R half-length insulation, used in the ow- and high-current circuits of pulsed electrical power engineering, electrical engineering and electronics. Electrothermal resistibility of half-length insulation of the examined cable and wire products (CWP), proper maximum to the possible temperatures of heating of current-carrying and insulating parts of the probed wires and cables and shutting out the offensive of the phenomenon destruction in the indicated insulation of CWP, was fixed based on this method. Calculation analytical correlations are obtained for finding in probed CWP of threshold numeral values of Impk amplitudes of pulses of current ip(t), time-varying both on aperiodic dependence of type τf/τp with duration of their front τf and duration of their pulses τp and by law of exponential attenuation sinewave. It is shown that at Imp>Impk destruction of their half-length insulation, resulting in the decline of service life of CWP, will come from the thermal overheat of current-carrying parts of the examined electric wires and cables. The examples of practical application of the offered method are resulted upon settlement for a radiofrequency coaxial cable RC 50-4-11 with middle sizes is easily soiled with continuous PET insulation of threshold amplitudes of Impk of standard aperiodic pulses of current ip(t) from nano-, micro- and millisecond temporal ranges of shape of τf/τp=5 ns/200 ns, τf/τp=10 μs/350 μs and τf/τp=7 ms/160 ms. It is shown that with the proper growth of parameter τp>>τf for flow on a continuous copper tendon and split copper shell of radiofrequency coaxial cable RC 50-4-11 with middle sizes is easily soiled indicated homopolar pulses of current ip(t) substantial diminishing of their threshold amplitudes of Impk (with 531,2 кА for the nanosecond pulse of current of type 5 ns/200 ns to 1.84 кА for the millisecond impulse of current of type of 7 ms/160 ms takes place). Originality. An engineering method is first developed for close settlement of threshold numeral values of Impk amplitudes of single-pulse axial-flow current ip(t) of arbitrary peak-temporal parameters for electric wires and cables with copper (aluminum) current-carrying parts and PET, PVC and R half-length insulation. Practical value. Application in electrical engineering practice of the offered engineering method for determination of threshold amplitudes Impk of the indicated pulses of axial-flow current ip(t) for the probed electric wires and cables will allow considerably to increase service life of examined CWP. |
| publisher |
National Technical University "Kharkiv Polytechnic Institute" and Аnatolii Pidhornyi Institute of Power Machines and Systems of NAS of Ukraine |
| publishDate |
2021 |
| url |
http://eie.khpi.edu.ua/article/view/245865 |
| work_keys_str_mv |
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| first_indexed |
2025-07-17T11:48:46Z |
| last_indexed |
2025-07-17T11:48:46Z |
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1850412004081139712 |
| spelling |
eiekhpieduua-article-2458652021-12-03T08:03:07Z Destruction of polymer insulation and threshold amplitudes of current pulses of different temporal shapes for electric wires and cables in the low- and high-current circuits of pulse power engineering, electrical engineering and electronic devices Деструкция полимерной изоляции и пороговые амплитуды импульсов тока различной временной формы для электрических проводов и кабелей в слабо– и сильноточных цепях устройств импульсной энергетики, электротехники и электроники Baranov, M.I. Buriakovskyi, S.G. Kniaziev, V.V. electrical wires and cables with polymer insulation electrothermal resistance of cable and wire products destruction of insulation threshold amplitudes of current pulses for wires and cables електричні проводи і кабелі з полімерною ізоляцією електротермічна стійкість кабельно-провідникової продукції деструкція ізоляції порогові амплітуди імпульсів струму для проводів і кабелів Goal. Development of engineering method for settlement of threshold amplitudes Impk of single-pulse current ip(t) of different temporal shapes for electric wires and cables with polyethylene (PET), polyvinylchloride (PVC) and rubber (R) half-length insulation, used in modern pulsed power engineering, electrical engineering and electronics in their low- and high-current circuits. Methodology. Basis of the theoretical and applied electrical engineering, electrical power engineering, electrophysics bases of technique of high-voltage and large pulsed currents, bases of low- and high-current electronics, measuring technique, electromagnetic compatibility and standardization. Results. Development of engineering method is executed on close calculation determination of threshold amplitudes Impk of single-pulse axial-flow current ip(t) of different temporal shapes for electric wires and cables with copper (aluminum) current-carrying parts and PET, PVC and R half-length insulation, used in the ow- and high-current circuits of pulsed electrical power engineering, electrical engineering and electronics. Electrothermal resistibility of half-length insulation of the examined cable and wire products (CWP), proper maximum to the possible temperatures of heating of current-carrying and insulating parts of the probed wires and cables and shutting out the offensive of the phenomenon destruction in the indicated insulation of CWP, was fixed based on this method. Calculation analytical correlations are obtained for finding in probed CWP of threshold numeral values of Impk amplitudes of pulses of current ip(t), time-varying both on aperiodic dependence of type τf/τp with duration of their front τf and duration of their pulses τp and by law of exponential attenuation sinewave. It is shown that at Imp>Impk destruction of their half-length insulation, resulting in the decline of service life of CWP, will come from the thermal overheat of current-carrying parts of the examined electric wires and cables. The examples of practical application of the offered method are resulted upon settlement for a radiofrequency coaxial cable RC 50-4-11 with middle sizes is easily soiled with continuous PET insulation of threshold amplitudes of Impk of standard aperiodic pulses of current ip(t) from nano-, micro- and millisecond temporal ranges of shape of τf/τp=5 ns/200 ns, τf/τp=10 μs/350 μs and τf/τp=7 ms/160 ms. It is shown that with the proper growth of parameter τp>>τf for flow on a continuous copper tendon and split copper shell of radiofrequency coaxial cable RC 50-4-11 with middle sizes is easily soiled indicated homopolar pulses of current ip(t) substantial diminishing of their threshold amplitudes of Impk (with 531,2 кА for the nanosecond pulse of current of type 5 ns/200 ns to 1.84 кА for the millisecond impulse of current of type of 7 ms/160 ms takes place). Originality. An engineering method is first developed for close settlement of threshold numeral values of Impk amplitudes of single-pulse axial-flow current ip(t) of arbitrary peak-temporal parameters for electric wires and cables with copper (aluminum) current-carrying parts and PET, PVC and R half-length insulation. Practical value. Application in electrical engineering practice of the offered engineering method for determination of threshold amplitudes Impk of the indicated pulses of axial-flow current ip(t) for the probed electric wires and cables will allow considerably to increase service life of examined CWP. Запропонована інженерна методика за розрахунковим визначенням порогових амплітуд Impk імпульсів струму ip(t) різної часової форми для електричних проводів і кабелів з поліетиленовою, полівінілхлоридною і гумовою ізоляцією, широко вживаних в галузі імпульсної енергетики, високовольтної сильнострумової техніки, вимірювальної техніки і електроніки, а також в системах імпульсного електроживлення, контролю, управління роботою і діагностики стану функціонування електротехнічних пристроїв різного загальногромадянського і військового призначення. В якості вихідного критеріального положення при виборі порогових амплітуд Impk імпульсів струму ip(t) довільних амплітудно-часових параметрів для вказаних проводів і кабелів була вибрана термічна стійкість їх поясної ізоляції, яка відповідає гранично допустимим короткочасним температурам нагріву мідних (алюмінієвих) і ізоляційних частин досліджуваних кабелів (проводів) і що не допускає настання явища деструкції в ізоляції даної кабельно-провідникової продукції. Приведені приклади практичного використання запропонованої методики за розрахунковим визначенням порогових амплітуд Impk стандартних аперіодичних імпульсів струму ip(t) часової форми 5 нс/200 нс, 10 мкс/350 мкс і 7 мс/160 мс для радіочастотного коаксіального середньогабаритного кабелю марки РК 50-4-11 зі суцільною поліетиленовою ізоляцією. National Technical University "Kharkiv Polytechnic Institute" and Аnatolii Pidhornyi Institute of Power Machines and Systems of NAS of Ukraine 2021-12-03 Article Article application/pdf application/pdf http://eie.khpi.edu.ua/article/view/245865 10.20998/2074-272X.2021.6.05 Electrical Engineering & Electromechanics; No. 6 (2021); 31-38 Электротехника и Электромеханика; № 6 (2021); 31-38 Електротехніка і Електромеханіка; № 6 (2021); 31-38 2309-3404 2074-272X en uk http://eie.khpi.edu.ua/article/view/245865/243360 http://eie.khpi.edu.ua/article/view/245865/243361 Copyright (c) 2021 M.I. Baranov, S.G. Buriakovskyi, V.V. Kniaziev http://creativecommons.org/licenses/by-nc/4.0 |