An electric switching device
An electric switching device for alternating current comprises two branches ( 2, 3 ) connected in parallel in a current path and having each at least two contact members ( 4-7 ) connected in series. A semiconductor device ( 8 ) is adapted to interconnect the midpoints between the two contact members...
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| creator | PHILIP KJAER PER LARSSON LARS JONSSON FALAH AL-HOSINI JAN SMEDE LENNART BALGARD JAN JOHANSSON OVE ALBERTSSON MAGNUS BACKMAN JAN-ANDERS NYGREN |
| description | An electric switching device for alternating current comprises two branches ( 2, 3 ) connected in parallel in a current path and having each at least two contact members ( 4-7 ) connected in series. A semiconductor device ( 8 ) is adapted to interconnect the midpoints between the two contact members of each branch. When opening the current path a first contact member ( 5 ) of one, first branch located before said midpoint as seen in the current direction existing is controlled to open and a second contact member ( 6 ) of the second branch located after the midpoint as seen in the current direction is controlled to open for transferring the current to a temporary current path through the semiconductor device. The current path through the switching device is then broken when the semiconductor device is in a blocking state by opening a contact member ( 4, 7 ) of the switching device arranged in the temporary current path. |
| format | Patent |
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A semiconductor device ( 8 ) is adapted to interconnect the midpoints between the two contact members of each branch. When opening the current path a first contact member ( 5 ) of one, first branch located before said midpoint as seen in the current direction existing is controlled to open and a second contact member ( 6 ) of the second branch located after the midpoint as seen in the current direction is controlled to open for transferring the current to a temporary current path through the semiconductor device. The current path through the switching device is then broken when the semiconductor device is in a blocking state by opening a contact member ( 4, 7 ) of the switching device arranged in the temporary current path.</description><edition>7</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; RELAYS ; SELECTORS</subject><creationdate>2001</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010530&DB=EPODOC&CC=AU&NR=1566601A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010530&DB=EPODOC&CC=AU&NR=1566601A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PHILIP KJAER</creatorcontrib><creatorcontrib>PER LARSSON</creatorcontrib><creatorcontrib>LARS JONSSON</creatorcontrib><creatorcontrib>FALAH AL-HOSINI</creatorcontrib><creatorcontrib>JAN SMEDE</creatorcontrib><creatorcontrib>LENNART BALGARD</creatorcontrib><creatorcontrib>JAN JOHANSSON</creatorcontrib><creatorcontrib>OVE ALBERTSSON</creatorcontrib><creatorcontrib>MAGNUS BACKMAN</creatorcontrib><creatorcontrib>JAN-ANDERS NYGREN</creatorcontrib><title>An electric switching device</title><description>An electric switching device for alternating current comprises two branches ( 2, 3 ) connected in parallel in a current path and having each at least two contact members ( 4-7 ) connected in series. A semiconductor device ( 8 ) is adapted to interconnect the midpoints between the two contact members of each branch. When opening the current path a first contact member ( 5 ) of one, first branch located before said midpoint as seen in the current direction existing is controlled to open and a second contact member ( 6 ) of the second branch located after the midpoint as seen in the current direction is controlled to open for transferring the current to a temporary current path through the semiconductor device. The current path through the switching device is then broken when the semiconductor device is in a blocking state by opening a contact member ( 4, 7 ) of the switching device arranged in the temporary current path.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>RELAYS</subject><subject>SELECTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBxzFNIzUlNLinKTFYoLs8sSc7IzEtXSEkty0xO5WFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8Y6hhqZmZmYGho7GhFUAAAmjItU</recordid><startdate>20010530</startdate><enddate>20010530</enddate><creator>PHILIP KJAER</creator><creator>PER LARSSON</creator><creator>LARS JONSSON</creator><creator>FALAH AL-HOSINI</creator><creator>JAN SMEDE</creator><creator>LENNART BALGARD</creator><creator>JAN JOHANSSON</creator><creator>OVE ALBERTSSON</creator><creator>MAGNUS BACKMAN</creator><creator>JAN-ANDERS NYGREN</creator><scope>EVB</scope></search><sort><creationdate>20010530</creationdate><title>An electric switching device</title><author>PHILIP KJAER ; PER LARSSON ; LARS JONSSON ; FALAH AL-HOSINI ; JAN SMEDE ; LENNART BALGARD ; JAN JOHANSSON ; OVE ALBERTSSON ; MAGNUS BACKMAN ; JAN-ANDERS NYGREN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_AU1566601A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2001</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRIC SWITCHES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE DEVICES</topic><topic>RELAYS</topic><topic>SELECTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>PHILIP KJAER</creatorcontrib><creatorcontrib>PER LARSSON</creatorcontrib><creatorcontrib>LARS JONSSON</creatorcontrib><creatorcontrib>FALAH AL-HOSINI</creatorcontrib><creatorcontrib>JAN SMEDE</creatorcontrib><creatorcontrib>LENNART BALGARD</creatorcontrib><creatorcontrib>JAN JOHANSSON</creatorcontrib><creatorcontrib>OVE ALBERTSSON</creatorcontrib><creatorcontrib>MAGNUS BACKMAN</creatorcontrib><creatorcontrib>JAN-ANDERS NYGREN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PHILIP KJAER</au><au>PER LARSSON</au><au>LARS JONSSON</au><au>FALAH AL-HOSINI</au><au>JAN SMEDE</au><au>LENNART BALGARD</au><au>JAN JOHANSSON</au><au>OVE ALBERTSSON</au><au>MAGNUS BACKMAN</au><au>JAN-ANDERS NYGREN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>An electric switching device</title><date>2001-05-30</date><risdate>2001</risdate><abstract>An electric switching device for alternating current comprises two branches ( 2, 3 ) connected in parallel in a current path and having each at least two contact members ( 4-7 ) connected in series. A semiconductor device ( 8 ) is adapted to interconnect the midpoints between the two contact members of each branch. When opening the current path a first contact member ( 5 ) of one, first branch located before said midpoint as seen in the current direction existing is controlled to open and a second contact member ( 6 ) of the second branch located after the midpoint as seen in the current direction is controlled to open for transferring the current to a temporary current path through the semiconductor device. The current path through the switching device is then broken when the semiconductor device is in a blocking state by opening a contact member ( 4, 7 ) of the switching device arranged in the temporary current path.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS |
| title | An electric switching device |
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