METHOD AND DEVICE FOR MONITORING AND MEASURING A CURRENT ON A MAGNETICALLY BIASED CHOKE

In order to measure a choke current through a choke, a flux density of a magnetic field which is emitted by the choke is consecutively measured at a sampling rate at a location which is fixed in relation to the choke. A magnetic bias of the choke is ascertained from the measurement values of the flu...

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1. Verfasser:	FRIEBE, Jens
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TESTING TRANSFORMERS
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description	In order to measure a choke current through a choke, a flux density of a magnetic field which is emitted by the choke is consecutively measured at a sampling rate at a location which is fixed in relation to the choke. A magnetic bias of the choke is ascertained from the measurement values of the flux density at a known choke current which occurs during operation of the choke, wherein the choke current is known only in longer time intervals than the inverse value of the sampling rate during measurement of the flux density. The actual choke current is determined from the actual measurement values of the flux density taking into account the ascertained magnetic bias.
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A magnetic bias of the choke is ascertained from the measurement values of the flux density at a known choke current which occurs during operation of the choke, wherein the choke current is known only in longer time intervals than the inverse value of the sampling rate during measurement of the flux density. The actual choke current is determined from the actual measurement values of the flux density taking into account the ascertained magnetic bias.</description><language>eng ; fre ; ger</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; INDUCTANCES ; MAGNETS ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; TESTING ; TRANSFORMERS</subject><creationdate>2019</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=20190313&DB=EPODOC&CC=EP&NR=2992337B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190313&DB=EPODOC&CC=EP&NR=2992337B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FRIEBE, Jens</creatorcontrib><title>METHOD AND DEVICE FOR MONITORING AND MEASURING A CURRENT ON A MAGNETICALLY BIASED CHOKE</title><description>In order to measure a choke current through a choke, a flux density of a magnetic field which is emitted by the choke is consecutively measured at a sampling rate at a location which is fixed in relation to the choke. 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The actual choke current is determined from the actual measurement values of the flux density taking into account the ascertained magnetic bias.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRICITY</subject><subject>INDUCTANCES</subject><subject>MAGNETS</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>TESTING</subject><subject>TRANSFORMERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAj3dQ3x8HdRcPRzUXBxDfN0dlVw8w9S8PX38wzxD_L0cwfL-Lo6BodCeArOoUFBrn4hCv5-QI6vo7ufa4ins6OPT6SCk6djsKuLgrOHv7crDwNrWmJOcSovlOZmUHBzDXH20E0tyI9PLS5ITE7NSy2Jdw0wsrQ0MjY2dzI0JkIJABfkMAs</recordid><startdate>20190313</startdate><enddate>20190313</enddate><creator>FRIEBE, Jens</creator><scope>EVB</scope></search><sort><creationdate>20190313</creationdate><title>METHOD AND DEVICE FOR MONITORING AND MEASURING A CURRENT ON A MAGNETICALLY BIASED CHOKE</title><author>FRIEBE, Jens</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2992337B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRICITY</topic><topic>INDUCTANCES</topic><topic>MAGNETS</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>TESTING</topic><topic>TRANSFORMERS</topic><toplevel>online_resources</toplevel><creatorcontrib>FRIEBE, Jens</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FRIEBE, Jens</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND DEVICE FOR MONITORING AND MEASURING A CURRENT ON A MAGNETICALLY BIASED CHOKE</title><date>2019-03-13</date><risdate>2019</risdate><abstract>In order to measure a choke current through a choke, a flux density of a magnetic field which is emitted by the choke is consecutively measured at a sampling rate at a location which is fixed in relation to the choke. A magnetic bias of the choke is ascertained from the measurement values of the flux density at a known choke current which occurs during operation of the choke, wherein the choke current is known only in longer time intervals than the inverse value of the sampling rate during measurement of the flux density. The actual choke current is determined from the actual measurement values of the flux density taking into account the ascertained magnetic bias.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TESTING TRANSFORMERS
title	METHOD AND DEVICE FOR MONITORING AND MEASURING A CURRENT ON A MAGNETICALLY BIASED CHOKE
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