Dead-time compensation method and device of inverter and inverter
The invention proposes a dead-time compensation method and device of an inverter and the inverter, and relates to the field of motor control. The dead-time compensation method of the inverter comprises the steps of acquiring a sampling current according to an output current of a three-phase inverter...
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| creator | FAN LIRONG JIANG KAIDONG |
| description | The invention proposes a dead-time compensation method and device of an inverter and the inverter, and relates to the field of motor control. The dead-time compensation method of the inverter comprises the steps of acquiring a sampling current according to an output current of a three-phase inverter; determining a rotor position angle of the sampling current; determining a current vector phase angle of the sampling current; determining phase delay compensation quantity for compensating filtering delay; determining a phase of the sampling current according to the rotor position angle, the current vector phase angle and the phase delay compensation quantity; determining a phase dead-time compensation value by a predetermined compensation strategy according to the phase of the sampling current; and compensating a driving current of the three-phase inverter according to the phase dead-time compensation value. The acquired phase of the sampling current, acquired by the method, is more accurate, the determined phas |
| format | Patent |
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The dead-time compensation method of the inverter comprises the steps of acquiring a sampling current according to an output current of a three-phase inverter; determining a rotor position angle of the sampling current; determining a current vector phase angle of the sampling current; determining phase delay compensation quantity for compensating filtering delay; determining a phase of the sampling current according to the rotor position angle, the current vector phase angle and the phase delay compensation quantity; determining a phase dead-time compensation value by a predetermined compensation strategy according to the phase of the sampling current; and compensating a driving current of the three-phase inverter according to the phase dead-time compensation value. The acquired phase of the sampling current, acquired by the method, is more accurate, the determined phas</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>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=20171103&DB=EPODOC&CC=CN&NR=107317502A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171103&DB=EPODOC&CC=CN&NR=107317502A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FAN LIRONG</creatorcontrib><creatorcontrib>JIANG KAIDONG</creatorcontrib><title>Dead-time compensation method and device of inverter and inverter</title><description>The invention proposes a dead-time compensation method and device of an inverter and the inverter, and relates to the field of motor control. The dead-time compensation method of the inverter comprises the steps of acquiring a sampling current according to an output current of a three-phase inverter; determining a rotor position angle of the sampling current; determining a current vector phase angle of the sampling current; determining phase delay compensation quantity for compensating filtering delay; determining a phase of the sampling current according to the rotor position angle, the current vector phase angle and the phase delay compensation quantity; determining a phase dead-time compensation value by a predetermined compensation strategy according to the phase of the sampling current; and compensating a driving current of the three-phase inverter according to the phase dead-time compensation value. 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The dead-time compensation method of the inverter comprises the steps of acquiring a sampling current according to an output current of a three-phase inverter; determining a rotor position angle of the sampling current; determining a current vector phase angle of the sampling current; determining phase delay compensation quantity for compensating filtering delay; determining a phase of the sampling current according to the rotor position angle, the current vector phase angle and the phase delay compensation quantity; determining a phase dead-time compensation value by a predetermined compensation strategy according to the phase of the sampling current; and compensating a driving current of the three-phase inverter according to the phase dead-time compensation value. The acquired phase of the sampling current, acquired by the method, is more accurate, the determined phas</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 | Dead-time compensation method and device of inverter and inverter |
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