Three-phase brushless motor driving circuit, three-phase brushless motor driver and compensation method
The invention provides a three-phase brushless motor driving circuit, a three-phase brushless motor driver and a compensation method, and the three-phase brushless motor driving circuit comprises an optocoupler isolation circuit, a dead zone compensation circuit, a logic processing circuit, a dead z...
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| creator | PANG YOUBING LYU GUO MA CHAOJI LIU DENGXUE LI WEIDONG |
| description | The invention provides a three-phase brushless motor driving circuit, a three-phase brushless motor driver and a compensation method, and the three-phase brushless motor driving circuit comprises an optocoupler isolation circuit, a dead zone compensation circuit, a logic processing circuit, a dead zone setting circuit and a driving and three-phase bridge circuit which are connected with one another. The problem of common-state direct connection of an output power tube can be effectively solved, the input PWM pulse width loss can be reduced, and the problem that a motor cannot normally rotate due to the fact that the input PWM pulse width is small is avoided; according to the method, the dead time of the three-phase brushless motor driver is obtained, the compensation time is determined, then the capacitance value of the first capacitor in the dead compensation circuit is adjusted, the optocoupler output signal is pre-broadened, the compensation dead time can be adjusted according to the dead time, and the pro |
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The problem of common-state direct connection of an output power tube can be effectively solved, the input PWM pulse width loss can be reduced, and the problem that a motor cannot normally rotate due to the fact that the input PWM pulse width is small is avoided; according to the method, the dead time of the three-phase brushless motor driver is obtained, the compensation time is determined, then the capacitance value of the first capacitor in the dead compensation circuit is adjusted, the optocoupler output signal is pre-broadened, the compensation dead time can be adjusted according to the dead time, and the pro</description><language>chi ; eng</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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROL OR REGULATION THEREOF ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2021</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=20210319&DB=EPODOC&CC=CN&NR=112532121A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210319&DB=EPODOC&CC=CN&NR=112532121A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PANG YOUBING</creatorcontrib><creatorcontrib>LYU GUO</creatorcontrib><creatorcontrib>MA CHAOJI</creatorcontrib><creatorcontrib>LIU DENGXUE</creatorcontrib><creatorcontrib>LI WEIDONG</creatorcontrib><title>Three-phase brushless motor driving circuit, three-phase brushless motor driver and compensation method</title><description>The invention provides a three-phase brushless motor driving circuit, a three-phase brushless motor driver and a compensation method, and the three-phase brushless motor driving circuit comprises an optocoupler isolation circuit, a dead zone compensation circuit, a logic processing circuit, a dead zone setting circuit and a driving and three-phase bridge circuit which are connected with one another. The problem of common-state direct connection of an output power tube can be effectively solved, the input PWM pulse width loss can be reduced, and the problem that a motor cannot normally rotate due to the fact that the input PWM pulse width is small is avoided; according to the method, the dead time of the three-phase brushless motor driver is obtained, the compensation time is determined, then the capacitance value of the first capacitor in the dead compensation circuit is adjusted, the optocoupler output signal is pre-broadened, the compensation dead time can be adjusted according to the dead time, and the pro</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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</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>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEOwjAMAMAsDAj4g9npkFQ8AFUgJqbuVUhME6mJI9vl_SzsMN1yWzOPiRG7lrwgPHmVtKAIFFJiiJzfuc4QMoc16wn0R0YGXyMEKg2reM1UoaAminuzeflF8PB1Z4636zjcO2w0oTQfsKJOw8Nad-6ddfbS_3M-GQRAmA</recordid><startdate>20210319</startdate><enddate>20210319</enddate><creator>PANG YOUBING</creator><creator>LYU GUO</creator><creator>MA CHAOJI</creator><creator>LIU DENGXUE</creator><creator>LI WEIDONG</creator><scope>EVB</scope></search><sort><creationdate>20210319</creationdate><title>Three-phase brushless motor driving circuit, three-phase brushless motor driver and compensation method</title><author>PANG YOUBING ; LYU GUO ; MA CHAOJI ; LIU DENGXUE ; LI WEIDONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN112532121A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</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>PANG YOUBING</creatorcontrib><creatorcontrib>LYU GUO</creatorcontrib><creatorcontrib>MA CHAOJI</creatorcontrib><creatorcontrib>LIU DENGXUE</creatorcontrib><creatorcontrib>LI WEIDONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PANG YOUBING</au><au>LYU GUO</au><au>MA CHAOJI</au><au>LIU DENGXUE</au><au>LI WEIDONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Three-phase brushless motor driving circuit, three-phase brushless motor driver and compensation method</title><date>2021-03-19</date><risdate>2021</risdate><abstract>The invention provides a three-phase brushless motor driving circuit, a three-phase brushless motor driver and a compensation method, and the three-phase brushless motor driving circuit comprises an optocoupler isolation circuit, a dead zone compensation circuit, a logic processing circuit, a dead zone setting circuit and a driving and three-phase bridge circuit which are connected with one another. The problem of common-state direct connection of an output power tube can be effectively solved, the input PWM pulse width loss can be reduced, and the problem that a motor cannot normally rotate due to the fact that the input PWM pulse width is small is avoided; according to the method, the dead time of the three-phase brushless motor driver is obtained, the compensation time is determined, then the capacitance value of the first capacitor in the dead compensation circuit is adjusted, the optocoupler output signal is pre-broadened, the compensation dead time can be adjusted according to the dead time, and the pro</abstract><oa>free_for_read</oa></addata></record> |
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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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | Three-phase brushless motor driving circuit, three-phase brushless motor driver and compensation method |
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