PMSM direct torque control method based on simplified three-level SVPWM algorithm
The invention discloses a PMSM direct torque control method based on a simplified three-level SVPWM algorithm. The method comprises the following steps: (1) respectively converting a stator three-phase current signal and a stator three-phase voltage signal of a high-speed permanent magnet synchronou...
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| creator | LIU GUANGWEI XU ZHENYAO JIN SHI BI MENG JIN WUHEN LIU XIANGYANG |
| description | The invention discloses a PMSM direct torque control method based on a simplified three-level SVPWM algorithm. The method comprises the following steps: (1) respectively converting a stator three-phase current signal and a stator three-phase voltage signal of a high-speed permanent magnet synchronous motor (9) to obtain a stator current signal and a stator voltage signal under a two-phase static DQ coordinate system; (2) calculating to obtain a feedback torque; the difference between the motor angular speed signal given by the control system and the actual angular speed signal of the motor passing through a rotating speed PI regulator to obtain a motor reference torque; (3) adding the load angle increment and the stator flux linkage vector phase angle in the step (2) to obtain a referencevoltage vector phase angle; and (4) obtaining 12 paths of PWM pulse signals to drive a three-level inverter (8) so as to accurately control the high-speed permanent magnet synchronous motor. Accordingto the simplified three-l |
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The method comprises the following steps: (1) respectively converting a stator three-phase current signal and a stator three-phase voltage signal of a high-speed permanent magnet synchronous motor (9) to obtain a stator current signal and a stator voltage signal under a two-phase static DQ coordinate system; (2) calculating to obtain a feedback torque; the difference between the motor angular speed signal given by the control system and the actual angular speed signal of the motor passing through a rotating speed PI regulator to obtain a motor reference torque; (3) adding the load angle increment and the stator flux linkage vector phase angle in the step (2) to obtain a referencevoltage vector phase angle; and (4) obtaining 12 paths of PWM pulse signals to drive a three-level inverter (8) so as to accurately control the high-speed permanent magnet synchronous motor. Accordingto the simplified three-l</description><language>chi ; eng</language><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2020</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=20201013&DB=EPODOC&CC=CN&NR=111769778A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201013&DB=EPODOC&CC=CN&NR=111769778A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU GUANGWEI</creatorcontrib><creatorcontrib>XU ZHENYAO</creatorcontrib><creatorcontrib>JIN SHI</creatorcontrib><creatorcontrib>BI MENG</creatorcontrib><creatorcontrib>JIN WUHEN</creatorcontrib><creatorcontrib>LIU XIANGYANG</creatorcontrib><title>PMSM direct torque control method based on simplified three-level SVPWM algorithm</title><description>The invention discloses a PMSM direct torque control method based on a simplified three-level SVPWM algorithm. The method comprises the following steps: (1) respectively converting a stator three-phase current signal and a stator three-phase voltage signal of a high-speed permanent magnet synchronous motor (9) to obtain a stator current signal and a stator voltage signal under a two-phase static DQ coordinate system; (2) calculating to obtain a feedback torque; the difference between the motor angular speed signal given by the control system and the actual angular speed signal of the motor passing through a rotating speed PI regulator to obtain a motor reference torque; (3) adding the load angle increment and the stator flux linkage vector phase angle in the step (2) to obtain a referencevoltage vector phase angle; and (4) obtaining 12 paths of PWM pulse signals to drive a three-level inverter (8) so as to accurately control the high-speed permanent magnet synchronous motor. Accordingto the simplified three-l</description><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgM8A32VUjJLEpNLlEoyS8qLE1VSM7PKynKz1HITS3JyE9RSEosTk1RyM9TKM7MLcjJTMsE8koyilJTdXNSy1JzFILDAsJ9FRJz0vOLMksycnkYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbyzn6GhobmZpbm5haMxMWoAiG03Mw</recordid><startdate>20201013</startdate><enddate>20201013</enddate><creator>LIU GUANGWEI</creator><creator>XU ZHENYAO</creator><creator>JIN SHI</creator><creator>BI MENG</creator><creator>JIN WUHEN</creator><creator>LIU XIANGYANG</creator><scope>EVB</scope></search><sort><creationdate>20201013</creationdate><title>PMSM direct torque control method based on simplified three-level SVPWM algorithm</title><author>LIU GUANGWEI ; XU ZHENYAO ; JIN SHI ; BI MENG ; JIN WUHEN ; LIU XIANGYANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111769778A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>LIU GUANGWEI</creatorcontrib><creatorcontrib>XU ZHENYAO</creatorcontrib><creatorcontrib>JIN SHI</creatorcontrib><creatorcontrib>BI MENG</creatorcontrib><creatorcontrib>JIN WUHEN</creatorcontrib><creatorcontrib>LIU XIANGYANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIU GUANGWEI</au><au>XU ZHENYAO</au><au>JIN SHI</au><au>BI MENG</au><au>JIN WUHEN</au><au>LIU XIANGYANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PMSM direct torque control method based on simplified three-level SVPWM algorithm</title><date>2020-10-13</date><risdate>2020</risdate><abstract>The invention discloses a PMSM direct torque control method based on a simplified three-level SVPWM algorithm. The method comprises the following steps: (1) respectively converting a stator three-phase current signal and a stator three-phase voltage signal of a high-speed permanent magnet synchronous motor (9) to obtain a stator current signal and a stator voltage signal under a two-phase static DQ coordinate system; (2) calculating to obtain a feedback torque; the difference between the motor angular speed signal given by the control system and the actual angular speed signal of the motor passing through a rotating speed PI regulator to obtain a motor reference torque; (3) adding the load angle increment and the stator flux linkage vector phase angle in the step (2) to obtain a referencevoltage vector phase angle; and (4) obtaining 12 paths of PWM pulse signals to drive a three-level inverter (8) so as to accurately control the high-speed permanent magnet synchronous motor. Accordingto the simplified three-l</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | PMSM direct torque control method based on simplified three-level SVPWM algorithm |
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