Experimental study of an inverse wire array z-pinch operating as a current switch

Summary form only given. We will present experiments on the MAGPIE facility (1.5 MA, 250 ns) in which an inverse wire array (with the wires acting as a return current cage placed around a central current conductor) operated as a fast current switch. This allowed to significantly reduce the rise-time...

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Hauptverfasser:	Harvey-Thomson, A, Lebedev, S V, Hall, G N, Bland, S N, Burdiak, G, Chittenden, J P, de Grouchy, P, Suzuki-Vidal, F A, Swadling, G, Khoory, E, Pickworth, L, Skidmore, J
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Sprache:	eng
Schlagworte:	Conductors Educational institutions Laboratories Pulse generation Switches US Department of Energy Wire
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creator	Harvey-Thomson, A Lebedev, S V Hall, G N Bland, S N Burdiak, G Chittenden, J P de Grouchy, P Suzuki-Vidal, F A Swadling, G Khoory, E Pickworth, L Skidmore, J
description	Summary form only given. We will present experiments on the MAGPIE facility (1.5 MA, 250 ns) in which an inverse wire array (with the wires acting as a return current cage placed around a central current conductor) operated as a fast current switch. This allowed to significantly reduce the rise-time of the current pulse (
doi_str_mv	10.1109/PLASMA.2010.5534238
format	Conference Proceeding
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We will present experiments on the MAGPIE facility (1.5 MA, 250 ns) in which an inverse wire array (with the wires acting as a return current cage placed around a central current conductor) operated as a fast current switch. This allowed to significantly reduce the rise-time of the current pulse (<; 100 ns) delivered to a separate, standard imploding wire array z-pinch load. Experimental studies of the operation of this arrangement as a current switch will be discussed. In particular it was found that this arrangement generates a short current pre-pulse (~5 kA, <;15 ns) through the imploding array, followed by a ~40 ns interval with zero current, before the main fast rising current pulse is switched into the array. This led to a significant change in the implosion dynamics, suppressing the ablation phase, introducing a 0-D-like implosion and reducing the level of trailing mass.</description><subject>Conductors</subject><subject>Educational institutions</subject><subject>Laboratories</subject><subject>Pulse generation</subject><subject>Switches</subject><subject>US Department of Energy</subject><subject>Wire</subject><issn>0730-9244</issn><issn>2576-7208</issn><isbn>9781424454747</isbn><isbn>1424454743</isbn><isbn>9781424454754</isbn><isbn>1424454751</isbn><isbn>142445476X</isbn><isbn>9781424454761</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNp9j0FPwkAUhJ-KiY32F3B5f6D4ut1l2yMxEA-YaOBOXupD1uDS7Bax_Hr3wMWLc5lkvkwmAzAuaVKW1Dy-Lmerl9lEUQqMqbSq6ivIG1uXWmlttDX6GjJl7LSwiuqbP0zbEWRkKyqaFNxBHuMnJWmjiGwGb_OfToL7Et_zHmN_fB_wsEX26Py3hCh4ckGQQ-ABz0XnfLvDQ6pw7_wHckTG9hhC6mM8ub7dPcDtlvdR8ovfw3gxXz89F05ENl3a4jBsLkeq_-kvhAtG5w</recordid><startdate>201006</startdate><enddate>201006</enddate><creator>Harvey-Thomson, A</creator><creator>Lebedev, S V</creator><creator>Hall, G N</creator><creator>Bland, S N</creator><creator>Burdiak, G</creator><creator>Chittenden, J P</creator><creator>de Grouchy, P</creator><creator>Suzuki-Vidal, F A</creator><creator>Swadling, G</creator><creator>Khoory, E</creator><creator>Pickworth, L</creator><creator>Skidmore, J</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>201006</creationdate><title>Experimental study of an inverse wire array z-pinch operating as a current switch</title><author>Harvey-Thomson, A ; Lebedev, S V ; Hall, G N ; Bland, S N ; Burdiak, G ; Chittenden, J P ; de Grouchy, P ; Suzuki-Vidal, F A ; Swadling, G ; Khoory, E ; Pickworth, L ; Skidmore, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-ieee_primary_55342383</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Conductors</topic><topic>Educational institutions</topic><topic>Laboratories</topic><topic>Pulse generation</topic><topic>Switches</topic><topic>US Department of Energy</topic><topic>Wire</topic><toplevel>online_resources</toplevel><creatorcontrib>Harvey-Thomson, A</creatorcontrib><creatorcontrib>Lebedev, S V</creatorcontrib><creatorcontrib>Hall, G N</creatorcontrib><creatorcontrib>Bland, S N</creatorcontrib><creatorcontrib>Burdiak, G</creatorcontrib><creatorcontrib>Chittenden, J P</creatorcontrib><creatorcontrib>de Grouchy, P</creatorcontrib><creatorcontrib>Suzuki-Vidal, F A</creatorcontrib><creatorcontrib>Swadling, G</creatorcontrib><creatorcontrib>Khoory, E</creatorcontrib><creatorcontrib>Pickworth, L</creatorcontrib><creatorcontrib>Skidmore, J</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Harvey-Thomson, A</au><au>Lebedev, S V</au><au>Hall, G N</au><au>Bland, S N</au><au>Burdiak, G</au><au>Chittenden, J P</au><au>de Grouchy, P</au><au>Suzuki-Vidal, F A</au><au>Swadling, G</au><au>Khoory, E</au><au>Pickworth, L</au><au>Skidmore, J</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Experimental study of an inverse wire array z-pinch operating as a current switch</atitle><btitle>2010 Abstracts IEEE International Conference on Plasma Science</btitle><stitle>PLASMA</stitle><date>2010-06</date><risdate>2010</risdate><spage>1</spage><epage>1</epage><pages>1-1</pages><issn>0730-9244</issn><eissn>2576-7208</eissn><isbn>9781424454747</isbn><isbn>1424454743</isbn><eisbn>9781424454754</eisbn><eisbn>1424454751</eisbn><eisbn>142445476X</eisbn><eisbn>9781424454761</eisbn><abstract>Summary form only given. We will present experiments on the MAGPIE facility (1.5 MA, 250 ns) in which an inverse wire array (with the wires acting as a return current cage placed around a central current conductor) operated as a fast current switch. This allowed to significantly reduce the rise-time of the current pulse (<; 100 ns) delivered to a separate, standard imploding wire array z-pinch load. Experimental studies of the operation of this arrangement as a current switch will be discussed. In particular it was found that this arrangement generates a short current pre-pulse (~5 kA, <;15 ns) through the imploding array, followed by a ~40 ns interval with zero current, before the main fast rising current pulse is switched into the array. This led to a significant change in the implosion dynamics, suppressing the ablation phase, introducing a 0-D-like implosion and reducing the level of trailing mass.</abstract><pub>IEEE</pub><doi>10.1109/PLASMA.2010.5534238</doi></addata></record>
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subjects	Conductors Educational institutions Laboratories Pulse generation Switches US Department of Energy Wire
title	Experimental study of an inverse wire array z-pinch operating as a current switch
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