TWI810255B
The present invention provides an electric power converter with low loss, and the like. According to the present invention, a converter (100) is provided with a converter circuit (10) which converts an alternating current voltage into a direct current voltage, while being provided with: a reactor (L...
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| creator | TSUKII, KOJI HASHIMOTO, HIROYUKI KANBARA, EIJI OGURA, YOJI |
| description | The present invention provides an electric power converter with low loss, and the like. According to the present invention, a converter (100) is provided with a converter circuit (10) which converts an alternating current voltage into a direct current voltage, while being provided with: a reactor (L1) which is provided on a wiring line (p1) that connects an alternating current power supply (G) and the converter circuit (10) to each other; and a smoothing capacitor (C1) which smoothes direct current voltage applied from the converter circuit (10). The converter (100) is additionally provided with: reverse voltage application circuits (30a, 30b) which apply a reverse voltage to a free wheeling diode or parasitic diodes (Da, Db) of switching elements (Qa, Qb); and a control circuit (50) which makes a switch between driving and stopping of the reverse voltage application circuits (30a, 30b) in accordance with the magnitude of the load of the converter circuit (10). |
| format | Patent |
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According to the present invention, a converter (100) is provided with a converter circuit (10) which converts an alternating current voltage into a direct current voltage, while being provided with: a reactor (L1) which is provided on a wiring line (p1) that connects an alternating current power supply (G) and the converter circuit (10) to each other; and a smoothing capacitor (C1) which smoothes direct current voltage applied from the converter circuit (10). The converter (100) is additionally provided with: reverse voltage application circuits (30a, 30b) which apply a reverse voltage to a free wheeling diode or parasitic diodes (Da, Db) of switching elements (Qa, Qb); and a control circuit (50) which makes a switch between driving and stopping of the reverse voltage application circuits (30a, 30b) in accordance with the magnitude of the load of the converter circuit (10).</description><language>chi</language><subject>AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING ; 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 ; BLASTING ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; RANGES ; VENTILATING ; WEAPONS</subject><creationdate>2023</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=20230801&DB=EPODOC&CC=TW&NR=I810255B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230801&DB=EPODOC&CC=TW&NR=I810255B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSUKII, KOJI</creatorcontrib><creatorcontrib>HASHIMOTO, HIROYUKI</creatorcontrib><creatorcontrib>KANBARA, EIJI</creatorcontrib><creatorcontrib>OGURA, YOJI</creatorcontrib><title>TWI810255B</title><description>The present invention provides an electric power converter with low loss, and the like. According to the present invention, a converter (100) is provided with a converter circuit (10) which converts an alternating current voltage into a direct current voltage, while being provided with: a reactor (L1) which is provided on a wiring line (p1) that connects an alternating current power supply (G) and the converter circuit (10) to each other; and a smoothing capacitor (C1) which smoothes direct current voltage applied from the converter circuit (10). The converter (100) is additionally provided with: reverse voltage application circuits (30a, 30b) which apply a reverse voltage to a free wheeling diode or parasitic diodes (Da, Db) of switching elements (Qa, Qb); and a control circuit (50) which makes a switch between driving and stopping of the reverse voltage application circuits (30a, 30b) in accordance with the magnitude of the load of the converter circuit (10).</description><subject>AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING</subject><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>BLASTING</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><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>RANGES</subject><subject>VENTILATING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAKCfe0MDQwMjV14mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8QgNTsZEKAEAB1sbcA</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>TSUKII, KOJI</creator><creator>HASHIMOTO, HIROYUKI</creator><creator>KANBARA, EIJI</creator><creator>OGURA, YOJI</creator><scope>EVB</scope></search><sort><creationdate>20230801</creationdate><title>TWI810255B</title><author>TSUKII, KOJI ; HASHIMOTO, HIROYUKI ; KANBARA, EIJI ; OGURA, YOJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI810255BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi</language><creationdate>2023</creationdate><topic>AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING</topic><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>BLASTING</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><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>RANGES</topic><topic>VENTILATING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TSUKII, KOJI</creatorcontrib><creatorcontrib>HASHIMOTO, HIROYUKI</creatorcontrib><creatorcontrib>KANBARA, EIJI</creatorcontrib><creatorcontrib>OGURA, YOJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TSUKII, KOJI</au><au>HASHIMOTO, HIROYUKI</au><au>KANBARA, EIJI</au><au>OGURA, YOJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TWI810255B</title><date>2023-08-01</date><risdate>2023</risdate><abstract>The present invention provides an electric power converter with low loss, and the like. According to the present invention, a converter (100) is provided with a converter circuit (10) which converts an alternating current voltage into a direct current voltage, while being provided with: a reactor (L1) which is provided on a wiring line (p1) that connects an alternating current power supply (G) and the converter circuit (10) to each other; and a smoothing capacitor (C1) which smoothes direct current voltage applied from the converter circuit (10). The converter (100) is additionally provided with: reverse voltage application circuits (30a, 30b) which apply a reverse voltage to a free wheeling diode or parasitic diodes (Da, Db) of switching elements (Qa, Qb); and a control circuit (50) which makes a switch between driving and stopping of the reverse voltage application circuits (30a, 30b) in accordance with the magnitude of the load of the converter circuit (10).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING 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 BLASTING CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS |
| title | TWI810255B |
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