Direct current ground fault interrupter
A method, system, and computer program product for detecting and interrupting a ground fault in a direct current (DC) power circuit are provided in the illustrative embodiments. A first value of a first current flow over a first part of the DC power circuit is compared with a second value of a secon...
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creator | MULLIGAN VINCENT P AHLADAS STEVEN JOHN SEMINARO EDWARD JOSEPH |
description | A method, system, and computer program product for detecting and interrupting a ground fault in a direct current (DC) power circuit are provided in the illustrative embodiments. A first value of a first current flow over a first part of the DC power circuit is compared with a second value of a second current flow over a second part of the DC power circuit. A voltage is generated, wherein the voltage is proportional to a difference between the first and the second values. Responsive to the voltage exceeding the threshold voltage for a threshold time, a signal output is produced, the signal configured to cause a short-circuit in the first part of the DC power circuit. The first part of the DC power circuit is interrupted responsive to the short-circuit. |
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A first value of a first current flow over a first part of the DC power circuit is compared with a second value of a second current flow over a second part of the DC power circuit. A voltage is generated, wherein the voltage is proportional to a difference between the first and the second values. Responsive to the voltage exceeding the threshold voltage for a threshold time, a signal output is produced, the signal configured to cause a short-circuit in the first part of the DC power circuit. The first part of the DC power circuit is interrupted responsive to the short-circuit.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; EMERGENCY PROTECTIVE DEVICES ; GENERATION ; RELAYS ; SELECTORS</subject><creationdate>2015</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=20150728&DB=EPODOC&CC=US&NR=9093240B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150728&DB=EPODOC&CC=US&NR=9093240B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MULLIGAN VINCENT P</creatorcontrib><creatorcontrib>AHLADAS STEVEN JOHN</creatorcontrib><creatorcontrib>SEMINARO EDWARD JOSEPH</creatorcontrib><title>Direct current ground fault interrupter</title><description>A method, system, and computer program product for detecting and interrupting a ground fault in a direct current (DC) power circuit are provided in the illustrative embodiments. A first value of a first current flow over a first part of the DC power circuit is compared with a second value of a second current flow over a second part of the DC power circuit. A voltage is generated, wherein the voltage is proportional to a difference between the first and the second values. Responsive to the voltage exceeding the threshold voltage for a threshold time, a signal output is produced, the signal configured to cause a short-circuit in the first part of the DC power circuit. The first part of the DC power circuit is interrupted responsive to the short-circuit.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>GENERATION</subject><subject>RELAYS</subject><subject>SELECTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB3ySxKTS5RSC4tKkrNK1FIL8ovzUtRSEsszSlRyMwrSS0qKi0AkjwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD402NLA0tjIxMDJyJgIJQCBkigj</recordid><startdate>20150728</startdate><enddate>20150728</enddate><creator>MULLIGAN VINCENT P</creator><creator>AHLADAS STEVEN JOHN</creator><creator>SEMINARO EDWARD JOSEPH</creator><scope>EVB</scope></search><sort><creationdate>20150728</creationdate><title>Direct current ground fault interrupter</title><author>MULLIGAN VINCENT P ; AHLADAS STEVEN JOHN ; SEMINARO EDWARD JOSEPH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9093240B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC SWITCHES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</topic><topic>EMERGENCY PROTECTIVE DEVICES</topic><topic>GENERATION</topic><topic>RELAYS</topic><topic>SELECTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>MULLIGAN VINCENT P</creatorcontrib><creatorcontrib>AHLADAS STEVEN JOHN</creatorcontrib><creatorcontrib>SEMINARO EDWARD JOSEPH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MULLIGAN VINCENT P</au><au>AHLADAS STEVEN JOHN</au><au>SEMINARO EDWARD JOSEPH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Direct current ground fault interrupter</title><date>2015-07-28</date><risdate>2015</risdate><abstract>A method, system, and computer program product for detecting and interrupting a ground fault in a direct current (DC) power circuit are provided in the illustrative embodiments. A first value of a first current flow over a first part of the DC power circuit is compared with a second value of a second current flow over a second part of the DC power circuit. A voltage is generated, wherein the voltage is proportional to a difference between the first and the second values. Responsive to the voltage exceeding the threshold voltage for a threshold time, a signal output is produced, the signal configured to cause a short-circuit in the first part of the DC power circuit. The first part of the DC power circuit is interrupted responsive to the short-circuit.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS |
title | Direct current ground fault interrupter |
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