Research Tasks of Mechanical Strength and Fracture of Сast-Resin Insulated Busbar Systems

Moskvichev, E. V.; Filippova, Yuliya; Eremin, N. V.

doi:10.17516/1999-494x-2017-10-1-17-23

Cited by 4 publications

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“…Äàííûå ðåçóëüòàòû ïîñëóaeèëè îñíîâîé äëÿ ïðîâåäåíèÿ ðàáîò ïî îáåñïå÷åíèþ ïðî÷íîñòè è áåçîïàñíîñòè òîêîïðîâîäîâ ñ ëèòîé èçîëÿöèåé, ðàáîòàþùèõ â ðåãèîíàõ Ñèáèðè. Â ðàìêàõ ýòèõ ðàáîò áûë ñôîðìèðîâàí êîìïëåêñ ðàñ÷åòíîýêñïåðèìåíòàëüíûõ èññëåäîâàíèé, êîòîðûå çà-êëþ÷àëèñü â àíàëèçå ïðî÷íîñòè, âêëþ÷àþùåì êîíå÷íî-ýëåìåíòíîå ìîäåëèðîâàíèå äåôîðìèðîâàíèÿ òîêîïðîâîäà íà îñíîâå ýêñïåðèìåíòàëüíûõ äàííûõ î ñâîéñòâàõ ìàòåðèàëà ëèòîé èçîëÿöèè [2]. Òàêèì îáðàçîì, îñíîâíàÿ çàäà÷à äàííîé ðàáîòû -îïðåäåëåíèå ôèçèêî-ìåõàíè÷åñêèõ ñâîéñòâ ìàòåðèàëà èçîëÿöèè ñ ó÷åòîì äèàïàçîíà ýêñïëóàòàöèîííûõ òåìïåðàòóð è ôàêòîðîâ, ïðèâîäÿùèõ ê ðàçðóøåíèþ.…”

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Experimental Studies of the Physical and Mechanical Properties of Cast-Resin Insulation Material of Busbar System

Moskvichev¹,

Eremin²

2018

Zavod. lab., Diagn. mater.

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Â ðàìêàõ íàó÷íî-èññëåäîâàòåëüñêèõ ðàáîò ïî îáåñïå÷åíèþ ïðî÷íîñòè è áåçîïàñíîñòè òîêîïðîâîäîâ ñ ëèòîé èçîëÿöèåé ïðîâåäåíû ýêñïåðèìåíòàëüíûå èññëåäîâàíèÿ ôèçèêî-ìåõàíè÷åñêèõ ñâîéñòâ ìàòåðèàëà ëèòîé èçîëÿöèè «çàâîäñêîãî è «ìîíòàaeíîãî» òèïîâ. Èçîëÿöèÿ «çàâîäñêîãî» òèïà ïðèìåíÿåòñÿ ïðè ïðîèçâîäñòâå ñåêöèé òðàññû òîêîïðîâîäà, à «ìîíòàaeíîãî» òèïà -äëÿ èçîëÿöèè ñòûêîâ ñåêöèé ïðè ïðîâåäåíèè ìîíòàaeà òðàññû. Ïðîâåäåííûé àíàëèç ýêñïëóàòàöèîííûõ ôàêòîðîâ ïîçâîëèë îáîñíîâàòü ôèçè÷åñêèå è ìåõàíè÷åñêèå ñâîéñòâà ìàòåðèàëà ëèòîé èçîëÿöèè, íàèáîëåå âëèÿþùèå íà ïðî÷íîñòü òîêîïðîâîäà. Èññëåäîâàíèÿ âêëþ÷àëè îïðåäåëåíèå óïðóãèõ õàðàêòåðèñòèê è ïðåäåëà ïðî÷íîñòè ìåòîäîì ñòàòè÷åñêèõ ìåõàíè÷åñêèõ èñïûòàíèé ïëîñêèõ îáðàçöîâ íà ðàñòÿaeåíèå è òðåõòî÷å÷íûé èçãèá. Èñïûòàíèÿ ïðîâîäèëè ïðè ïîíèaeåííîé, íóëåâîé è ïîâûøåííîé òåìïåðàòóðàõ â ñîîòâåòñòâèè ñ ðåaeèìàìè ýêñïëóàòàöèè òîêîïðîâîäà. Íà îáðàçöàõ â âèäå ñòåðaeíåé îïðåäåëÿëè çíà÷åíèÿ êîýôôèöèåíòà ëèíåéíîãî òåïëîâîãî ðàñøèðåíèÿ ìàòåðèàëà äëÿ äâóõ òåìïåðàòóðíûõ äèàïàçîíîâ. Ìåòîäîì îáìåðà è âçâåøèâàíèÿ íàõîäèëè çíà÷åíèÿ ïëîòíîñòè. Ýêñïåðèìåíòû ïðîâîäèëè ïî ìåòîäèêàì, ïðåäñòàâëåííûì â ãîñóäàðñòâåííûõ ñòàíäàðòàõ. Ïî ðåçóëüòàòàì ýêñïåðèìåíòîâ óñòàíîâëåíî âëèÿíèå òåìïåðàòóðû íà ìîäóëü óïðóãîñòè è ïðåäåë ïðî÷íîñòè ìàòåðèàëà èçîëÿöèè ïðè èçãèáå. Ïðè ýòîì ïðåäåë ïðî÷íîñòè èçîëÿöèè ìîíòàaeíîãî òèïà íà 7 -30 % âûøå, ÷åì èçîëÿöèè çàâîäñêîãî òèïà. Ýòî îáúÿñíÿåòñÿ áîëåå ìåëêîé è îäíîðîäíîé ñòðóêòóðîé ìîíòàaeíîé èçîëÿöèè. Â öåëîì ìåõàíè÷åñêèå ñâîéñòâà, îïðåäåëåííûå â ðåçóëüòàòå ýêñïåðèìåíòîâ, îêàçàëèñü çíà÷èòåëüíî íèaeå äåêëàðèðóåìûõ ïðîèçâîäèòåëåì òîêîïðîâîäà. Ýòî ìîaeåò ïðèâîäèòü ê ïåðåîöåíêå ïðî÷íîñòè ëèòîé èçîëÿöèè ïðè êîíòðîëå áåçîïàñíîñòè òîêîïðîâîäîâ ñ ó÷åòîì äåêëàðèðóåìûõ çíà÷åíèé ìåõàíè÷åñêèõ ñâîéñòâ. Ïîëó÷åííûå ðåçóëüòàòû ïðåäëîaeåíî ó÷èòûâàòü ïðè ïðîâåäåíèè ðàñ÷åòîâ íàïðÿaeåííî-äåôîðìèðîâàííîãî ñîñòîÿíèÿ òîêîïðîâîäîâ ñ ëèòîé èçîëÿöèåé ïðè ðàçëè÷íûõ òåìïåðàòóðàõ ýêñïëóàòàöèè.Êëþ÷åâûå ñëîâà: òîêîïðîâîä; ëèòàÿ èçîëÿöèÿ; ìåõàíè÷åñêèå ñâîéñòâà; èñïûòàíèÿ.

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unclassified

Experimental Studies of the Physical and Mechanical Properties of Cast-Resin Insulation Material of Busbar System

Moskvichev¹,

Eremin²

2018

Zavod. lab., Diagn. mater.

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Electric-Field Distribution in Polymer–Gas Insulated Power Lines for Offshore Electrical Systems

Golubev

Ковалев

Varivodov

et al. 2023

Russ. Electr. Engin.

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A Numerical Study of Magnetic-Field Distribution in 100-kV Solid Insulated Current Conductors

Golubev,

Kovalev,

Varivodov

et al. 2023

Russ. Electr. Engin.

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Research Tasks of Mechanical Strength and Fracture of Сast-Resin Insulated Busbar Systems

Abstract: Research tasks of mechanical strength of сast-resin insulated busbar systems working in

Cited by 4 publications

References 0 publications

Experimental Studies of the Physical and Mechanical Properties of Cast-Resin Insulation Material of Busbar System

Experimental Studies of the Physical and Mechanical Properties of Cast-Resin Insulation Material of Busbar System

Electric-Field Distribution in Polymer–Gas Insulated Power Lines for Offshore Electrical Systems

A Numerical Study of Magnetic-Field Distribution in 100-kV Solid Insulated Current Conductors

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