POWER CONVERSION DEVICE AND CONTROL METHOD THEREFOR
Provided is a power conversion device that can be stably operated even when a wide-bandgap semiconductor element is operated at a high temperature. Further provided is a control method for the power conversion device. This power conversion device is provided with: a rectifier that converts alternati...
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| creator | SASAKI Yasushi IBORI Satoshi TOMIYAMA Kiyotaka |
| description | Provided is a power conversion device that can be stably operated even when a wide-bandgap semiconductor element is operated at a high temperature. Further provided is a control method for the power conversion device. This power conversion device is provided with: a rectifier that converts alternating-current power to direct-current power; an intermediate circuit that smooths the direct-current power converted by the rectifier; an inverter that converts the direct-current power smoothed by the intermediate circuit into alternating-current power; a driving circuit that drives the inverter; a control unit that controls the driving circuit; a temperature detection unit that detects the temperature of the inverter; and a sealing material that seals at least the inverter. The control unit integrates the operation time that the power conversion device continues to operate at a temperature detected by the temperature detection unit, and, on the basis of the relationship between the integrated operation time, the detected temperature, and the permitted operation time of the power conversion device, determines whether to suppress the output of the power conversion device or to stop the operation of power conversion device. |
| format | Patent |
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Further provided is a control method for the power conversion device. This power conversion device is provided with: a rectifier that converts alternating-current power to direct-current power; an intermediate circuit that smooths the direct-current power converted by the rectifier; an inverter that converts the direct-current power smoothed by the intermediate circuit into alternating-current power; a driving circuit that drives the inverter; a control unit that controls the driving circuit; a temperature detection unit that detects the temperature of the inverter; and a sealing material that seals at least the inverter. The control unit integrates the operation time that the power conversion device continues to operate at a temperature detected by the temperature detection unit, and, on the basis of the relationship between the integrated operation time, the detected temperature, and the permitted operation time of the power conversion device, determines whether to suppress the output of the power conversion device or to stop the operation of power conversion device.</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>2018</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=20180103&DB=EPODOC&CC=EP&NR=3264582A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180103&DB=EPODOC&CC=EP&NR=3264582A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SASAKI Yasushi</creatorcontrib><creatorcontrib>IBORI Satoshi</creatorcontrib><creatorcontrib>TOMIYAMA Kiyotaka</creatorcontrib><title>POWER CONVERSION DEVICE AND CONTROL METHOD THEREFOR</title><description>Provided is a power conversion device that can be stably operated even when a wide-bandgap semiconductor element is operated at a high temperature. Further provided is a control method for the power conversion device. This power conversion device is provided with: a rectifier that converts alternating-current power to direct-current power; an intermediate circuit that smooths the direct-current power converted by the rectifier; an inverter that converts the direct-current power smoothed by the intermediate circuit into alternating-current power; a driving circuit that drives the inverter; a control unit that controls the driving circuit; a temperature detection unit that detects the temperature of the inverter; and a sealing material that seals at least the inverter. The control unit integrates the operation time that the power conversion device continues to operate at a temperature detected by the temperature detection unit, and, on the basis of the relationship between the integrated operation time, the detected temperature, and the permitted operation time of the power conversion device, determines whether to suppress the output of the power conversion device or to stop the operation of power conversion device.</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>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAO8A93DVJw9vcLcw0K9vT3U3BxDfN0dlVw9HMBiYYE-fso-LqGePi7KIR4uAa5uvkH8TCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSSeNcAYyMzE1MLI0dDYyKUAABixCbV</recordid><startdate>20180103</startdate><enddate>20180103</enddate><creator>SASAKI Yasushi</creator><creator>IBORI Satoshi</creator><creator>TOMIYAMA Kiyotaka</creator><scope>EVB</scope></search><sort><creationdate>20180103</creationdate><title>POWER CONVERSION DEVICE AND CONTROL METHOD THEREFOR</title><author>SASAKI Yasushi ; IBORI Satoshi ; TOMIYAMA Kiyotaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3264582A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</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>SASAKI Yasushi</creatorcontrib><creatorcontrib>IBORI Satoshi</creatorcontrib><creatorcontrib>TOMIYAMA Kiyotaka</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SASAKI Yasushi</au><au>IBORI Satoshi</au><au>TOMIYAMA Kiyotaka</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POWER CONVERSION DEVICE AND CONTROL METHOD THEREFOR</title><date>2018-01-03</date><risdate>2018</risdate><abstract>Provided is a power conversion device that can be stably operated even when a wide-bandgap semiconductor element is operated at a high temperature. Further provided is a control method for the power conversion device. This power conversion device is provided with: a rectifier that converts alternating-current power to direct-current power; an intermediate circuit that smooths the direct-current power converted by the rectifier; an inverter that converts the direct-current power smoothed by the intermediate circuit into alternating-current power; a driving circuit that drives the inverter; a control unit that controls the driving circuit; a temperature detection unit that detects the temperature of the inverter; and a sealing material that seals at least the inverter. The control unit integrates the operation time that the power conversion device continues to operate at a temperature detected by the temperature detection unit, and, on the basis of the relationship between the integrated operation time, the detected temperature, and the permitted operation time of the power conversion device, determines whether to suppress the output of the power conversion device or to stop the operation of power conversion device.</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 | POWER CONVERSION DEVICE AND CONTROL METHOD THEREFOR |
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