POWER DISTRIBUTION NETWORK MONITORING SYSTEM
A power distribution network monitoring system (1) is provided with CT sensors (7) and a power management device (51). The CT sensors (7) each comprise a measuring unit (71) and a transmission unit (73). The measuring units (71) are disposed at multiple predetermined locations on power lines constit...
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| creator | ADACHI, Tatsuya TAKEYA, Hiroaki |
| description | A power distribution network monitoring system (1) is provided with CT sensors (7) and a power management device (51). The CT sensors (7) each comprise a measuring unit (71) and a transmission unit (73). The measuring units (71) are disposed at multiple predetermined locations on power lines constituting the distribution network, and measure the current in the power lines at the respective predetermined locations. The transmission units (73) wirelessly transmit, as transmission data, at least a portion of the measurement data obtained by the measuring units (71), such portion of data consisting of a current effective value and power spectra of a fundamental harmonic wave, third higher harmonic wave, and fifth higher harmonic wave, which are used in detecting abnormalities in the distribution network. The power management device (51) includes a reception unit (53a) and a management database (DB) (54). The reception unit (53a) receives the transmission data. The management DB (54) stores the received data. |
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The CT sensors (7) each comprise a measuring unit (71) and a transmission unit (73). The measuring units (71) are disposed at multiple predetermined locations on power lines constituting the distribution network, and measure the current in the power lines at the respective predetermined locations. The transmission units (73) wirelessly transmit, as transmission data, at least a portion of the measurement data obtained by the measuring units (71), such portion of data consisting of a current effective value and power spectra of a fundamental harmonic wave, third higher harmonic wave, and fifth higher harmonic wave, which are used in detecting abnormalities in the distribution network. The power management device (51) includes a reception unit (53a) and a management database (DB) (54). The reception unit (53a) receives the transmission data. The management DB (54) stores the received data.</description><language>eng</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; SYSTEMS FOR STORING ELECTRIC ENERGY ; TESTING</subject><creationdate>2020</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=20200309&DB=EPODOC&CC=PH&NR=12019501653A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200309&DB=EPODOC&CC=PH&NR=12019501653A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ADACHI, Tatsuya</creatorcontrib><creatorcontrib>TAKEYA, Hiroaki</creatorcontrib><title>POWER DISTRIBUTION NETWORK MONITORING SYSTEM</title><description>A power distribution network monitoring system (1) is provided with CT sensors (7) and a power management device (51). The CT sensors (7) each comprise a measuring unit (71) and a transmission unit (73). The measuring units (71) are disposed at multiple predetermined locations on power lines constituting the distribution network, and measure the current in the power lines at the respective predetermined locations. The transmission units (73) wirelessly transmit, as transmission data, at least a portion of the measurement data obtained by the measuring units (71), such portion of data consisting of a current effective value and power spectra of a fundamental harmonic wave, third higher harmonic wave, and fifth higher harmonic wave, which are used in detecting abnormalities in the distribution network. The power management device (51) includes a reception unit (53a) and a management database (DB) (54). The reception unit (53a) receives the transmission data. The management DB (54) stores the received data.</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAJ8A93DVJw8QwOCfJ0Cg3x9PdT8HMNCfcP8lbw9ffzDPEP8vRzVwiODA5x9eVhYE1LzClO5YXS3Awqbq4hzh66qQX58anFBYnJqXmpJfEBHoZGBoaWpgaGZqbGjobGRCoDAL_HJw0</recordid><startdate>20200309</startdate><enddate>20200309</enddate><creator>ADACHI, Tatsuya</creator><creator>TAKEYA, Hiroaki</creator><scope>EVB</scope></search><sort><creationdate>20200309</creationdate><title>POWER DISTRIBUTION NETWORK MONITORING SYSTEM</title><author>ADACHI, Tatsuya ; TAKEYA, Hiroaki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_PH12019501653A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>ADACHI, Tatsuya</creatorcontrib><creatorcontrib>TAKEYA, Hiroaki</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ADACHI, Tatsuya</au><au>TAKEYA, Hiroaki</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POWER DISTRIBUTION NETWORK MONITORING SYSTEM</title><date>2020-03-09</date><risdate>2020</risdate><abstract>A power distribution network monitoring system (1) is provided with CT sensors (7) and a power management device (51). The CT sensors (7) each comprise a measuring unit (71) and a transmission unit (73). The measuring units (71) are disposed at multiple predetermined locations on power lines constituting the distribution network, and measure the current in the power lines at the respective predetermined locations. The transmission units (73) wirelessly transmit, as transmission data, at least a portion of the measurement data obtained by the measuring units (71), such portion of data consisting of a current effective value and power spectra of a fundamental harmonic wave, third higher harmonic wave, and fifth higher harmonic wave, which are used in detecting abnormalities in the distribution network. The power management device (51) includes a reception unit (53a) and a management database (DB) (54). The reception unit (53a) receives the transmission data. The management DB (54) stores the received data.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING |
| title | POWER DISTRIBUTION NETWORK MONITORING SYSTEM |
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