ELECTRIC POWER CONVERSION DEVICE
There arises a problem in that, in a case where a load short breakdown or the like occurs in a power converter that uses a wide bandgap semiconductor element, an extremely high short-circuit current flows and it is not possible to protect the semiconductor element. There is provided a power converte...
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| creator | TOMIYAMA, Kiyotaka IBORI, Satoshi SASAKI, Yasushi |
| description | There arises a problem in that, in a case where a load short breakdown or the like occurs in a power converter that uses a wide bandgap semiconductor element, an extremely high short-circuit current flows and it is not possible to protect the semiconductor element. There is provided a power converter including: an converter that converts an AC voltage into a DC voltage; a DC intermediate circuit that has a smoothing capacitor that smooths the DC voltage converted in the converter; an inverter that is configured to have a wide bandgap semiconductor switching element that converts the DC voltage smoothed in the DC intermediate circuit into an AC voltage; a reactor that is provided between the smoothing capacitor and the inverter; and a diode that is connected in parallel to the reactor. The diode is connected to a terminal of the smoothing capacitor or to a bus bar connected to a portion in the vicinity of the terminal of the smoothing capacitor, and the diode is connected to a terminal of the wide bandgap semiconductor switching element or to a bus bar connected to a portion in the vicinity of the terminal of the wide bandgap semiconductor switching element. |
| format | Patent |
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There is provided a power converter including: an converter that converts an AC voltage into a DC voltage; a DC intermediate circuit that has a smoothing capacitor that smooths the DC voltage converted in the converter; an inverter that is configured to have a wide bandgap semiconductor switching element that converts the DC voltage smoothed in the DC intermediate circuit into an AC voltage; a reactor that is provided between the smoothing capacitor and the inverter; and a diode that is connected in parallel to the reactor. The diode is connected to a terminal of the smoothing capacitor or to a bus bar connected to a portion in the vicinity of the terminal of the smoothing capacitor, and the diode is connected to a terminal of the wide bandgap semiconductor switching element or to a bus bar connected to a portion in the vicinity of the terminal of the wide bandgap semiconductor switching element.</description><language>eng ; fre ; ger</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2017</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=20170830&DB=EPODOC&CC=EP&NR=3093970A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170830&DB=EPODOC&CC=EP&NR=3093970A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOMIYAMA, Kiyotaka</creatorcontrib><creatorcontrib>IBORI, Satoshi</creatorcontrib><creatorcontrib>SASAKI, Yasushi</creatorcontrib><title>ELECTRIC POWER CONVERSION DEVICE</title><description>There arises a problem in that, in a case where a load short breakdown or the like occurs in a power converter that uses a wide bandgap semiconductor element, an extremely high short-circuit current flows and it is not possible to protect the semiconductor element. There is provided a power converter including: an converter that converts an AC voltage into a DC voltage; a DC intermediate circuit that has a smoothing capacitor that smooths the DC voltage converted in the converter; an inverter that is configured to have a wide bandgap semiconductor switching element that converts the DC voltage smoothed in the DC intermediate circuit into an AC voltage; a reactor that is provided between the smoothing capacitor and the inverter; and a diode that is connected in parallel to the reactor. The diode is connected to a terminal of the smoothing capacitor or to a bus bar connected to a portion in the vicinity of the terminal of the smoothing capacitor, and the diode is connected to a terminal of the wide bandgap semiconductor switching element or to a bus bar connected to a portion in the vicinity of the terminal of the wide bandgap semiconductor switching element.</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBw9XF1DgnydFYI8A93DVJw9vcLcw0K9vT3U3BxDfN0duVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAcYGlsaW5gaOJsZEKAEAvfkhoQ</recordid><startdate>20170830</startdate><enddate>20170830</enddate><creator>TOMIYAMA, Kiyotaka</creator><creator>IBORI, Satoshi</creator><creator>SASAKI, Yasushi</creator><scope>EVB</scope></search><sort><creationdate>20170830</creationdate><title>ELECTRIC POWER CONVERSION DEVICE</title><author>TOMIYAMA, Kiyotaka ; IBORI, Satoshi ; SASAKI, Yasushi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3093970A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2017</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>TOMIYAMA, Kiyotaka</creatorcontrib><creatorcontrib>IBORI, Satoshi</creatorcontrib><creatorcontrib>SASAKI, Yasushi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TOMIYAMA, Kiyotaka</au><au>IBORI, Satoshi</au><au>SASAKI, Yasushi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRIC POWER CONVERSION DEVICE</title><date>2017-08-30</date><risdate>2017</risdate><abstract>There arises a problem in that, in a case where a load short breakdown or the like occurs in a power converter that uses a wide bandgap semiconductor element, an extremely high short-circuit current flows and it is not possible to protect the semiconductor element. There is provided a power converter including: an converter that converts an AC voltage into a DC voltage; a DC intermediate circuit that has a smoothing capacitor that smooths the DC voltage converted in the converter; an inverter that is configured to have a wide bandgap semiconductor switching element that converts the DC voltage smoothed in the DC intermediate circuit into an AC voltage; a reactor that is provided between the smoothing capacitor and the inverter; and a diode that is connected in parallel to the reactor. The diode is connected to a terminal of the smoothing capacitor or to a bus bar connected to a portion in the vicinity of the terminal of the smoothing capacitor, and the diode is connected to a terminal of the wide bandgap semiconductor switching element or to a bus bar connected to a portion in the vicinity of the terminal of the wide bandgap semiconductor switching element.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | ELECTRIC POWER CONVERSION DEVICE |
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