Electrical device with a housing holding insulation oil and a sensor and method of monitoring the device
An electrical device (10, 13), in particular a power transformer (13), compensation choke, or on-load tap changer (10), comprises - a housing (101, 131) which is filled or can be filled with insulation oil (11, 11'), and - a measuring device (12) which comprises * a piezo element (16) which is...
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| creator | Saveliev, Anatoli Hochmuth, Harald |
| description | An electrical device (10, 13), in particular a power transformer (13), compensation choke, or on-load tap changer (10), comprises - a housing (101, 131) which is filled or can be filled with insulation oil (11, 11'), and - a measuring device (12) which comprises * a piezo element (16) which is arranged in the housing (101, 131) at the height of a minimum fill level (19, 19') of the insulation oil (11, 11'); and * an evaluation unit (18) which is connected to the piezo element (16); wherein - the evaluation unit (18) is designed in such a way that it * can induce the piezo element (16) to vibrate; * can determine the measurement value of a measured variable of the vibration dependent on the fill level, in particular the half-life of the amplitude of the vibration. |
| format | Patent |
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and * an evaluation unit (18) which is connected to the piezo element (16); wherein - the evaluation unit (18) is designed in such a way that it * can induce the piezo element (16) to vibrate; * can determine the measurement value of a measured variable of the vibration dependent on the fill level, in particular the half-life of the amplitude of the vibration.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; INDUCTANCES ; MAGNETS ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; METERING BY VOLUME ; PHYSICS ; RELAYS ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; SELECTORS ; 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=20191001&DB=EPODOC&CC=US&NR=10429229B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20191001&DB=EPODOC&CC=US&NR=10429229B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Saveliev, Anatoli</creatorcontrib><creatorcontrib>Hochmuth, Harald</creatorcontrib><title>Electrical device with a housing holding insulation oil and a sensor and method of monitoring the device</title><description>An electrical device (10, 13), in particular a power transformer (13), compensation choke, or on-load tap changer (10), comprises - a housing (101, 131) which is filled or can be filled with insulation oil (11, 11'), and - a measuring device (12) which comprises * a piezo element (16) which is arranged in the housing (101, 131) at the height of a minimum fill level (19, 19') of the insulation oil (11, 11'); and * an evaluation unit (18) which is connected to the piezo element (16); wherein - the evaluation unit (18) is designed in such a way that it * can induce the piezo element (16) to vibrate; * can determine the measurement value of a measured variable of the vibration dependent on the fill level, in particular the half-life of the amplitude of the vibration.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>INDUCTANCES</subject><subject>MAGNETS</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</subject><subject>METERING BY VOLUME</subject><subject>PHYSICS</subject><subject>RELAYS</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>SELECTORS</subject><subject>TESTING</subject><subject>TRANSFORMERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjEEKwjAQRbNxIeodxgMIGt10q1Tcq-sSkqkZSGdKMtXr20oP4Orx4b2_NLFO6DWTdwkCvskjfEgjOIgyFOLXyBQmEpchOSVhEErgOIxSQS6Sf6NDjRJAWuiESSVPkUacb9dm0bpUcDNzZbbX-nG57bCXBkvvPDJq87wf9idbWVud7fEf5wvTqkAc</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>Saveliev, Anatoli</creator><creator>Hochmuth, Harald</creator><scope>EVB</scope></search><sort><creationdate>20191001</creationdate><title>Electrical device with a housing holding insulation oil and a sensor and method of monitoring the device</title><author>Saveliev, Anatoli ; 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and * an evaluation unit (18) which is connected to the piezo element (16); wherein - the evaluation unit (18) is designed in such a way that it * can induce the piezo element (16) to vibrate; * can determine the measurement value of a measured variable of the vibration dependent on the fill level, in particular the half-life of the amplitude of the vibration.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES INDUCTANCES MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS RELAYS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SELECTORS TESTING TRANSFORMERS |
| title | Electrical device with a housing holding insulation oil and a sensor and method of monitoring the device |
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