Voltage source type multi-level converter and control method thereof
The invention provides a voltage source type multi-level converter and a control method thereof, and relates to the technical field of electric energy conversion of power electronics, the converter at least comprises a phase bridge arm, and the bridge arm is formed by combining three direct current...
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| creator | LI PINGCHUAN BU KEXIN TIAN HAO GAO FENG |
| description | The invention provides a voltage source type multi-level converter and a control method thereof, and relates to the technical field of electric energy conversion of power electronics, the converter at least comprises a phase bridge arm, and the bridge arm is formed by combining three direct current ends, two energy storage elements connected in series, an energy storage element voltage equalization circuit and an alternating current end; the three direct current ends are connected with two switches; the two switches are respectively connected with the anodes and the cathodes of the two energy storage elements which are connected in series, and the middle point of the connection of the two energy storage elements and the anode and the cathode of the whole are respectively connected with an alternating current end; an energy storage element voltage balancing circuit composed of a half-bridge circuit and an inductor is connected in parallel between the positive electrode and the negative electrode of the whole. |
| format | Patent |
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the three direct current ends are connected with two switches; the two switches are respectively connected with the anodes and the cathodes of the two energy storage elements which are connected in series, and the middle point of the connection of the two energy storage elements and the anode and the cathode of the whole are respectively connected with an alternating current end; an energy storage element voltage balancing circuit composed of a half-bridge circuit and an inductor is connected in parallel between the positive electrode and the negative electrode of the whole.</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 ; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; 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the three direct current ends are connected with two switches; the two switches are respectively connected with the anodes and the cathodes of the two energy storage elements which are connected in series, and the middle point of the connection of the two energy storage elements and the anode and the cathode of the whole are respectively connected with an alternating current end; an energy storage element voltage balancing circuit composed of a half-bridge circuit and an inductor is connected in parallel between the positive electrode and the negative electrode of the whole.</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>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</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>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAJy88pSUxPVSjOLy1KTlUoqSxIVcgtzSnJ1M1JLUvNUUjOzytLLSpJLVJIzEsB8UqK8nMUclNLMvJTFEoyUotS89N4GFjTEnOKU3mhNDeDoptriLOHbmpBfnxqcUFicmpeakm8s5-hoYWBqYmZhbmjMTFqAOuZM0o</recordid><startdate>20240517</startdate><enddate>20240517</enddate><creator>LI PINGCHUAN</creator><creator>BU KEXIN</creator><creator>TIAN HAO</creator><creator>GAO FENG</creator><scope>EVB</scope></search><sort><creationdate>20240517</creationdate><title>Voltage source type multi-level converter and control method thereof</title><author>LI PINGCHUAN ; 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the three direct current ends are connected with two switches; the two switches are respectively connected with the anodes and the cathodes of the two energy storage elements which are connected in series, and the middle point of the connection of the two energy storage elements and the anode and the cathode of the whole are respectively connected with an alternating current end; an energy storage element voltage balancing circuit composed of a half-bridge circuit and an inductor is connected in parallel between the positive electrode and the negative electrode of the whole.</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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Voltage source type multi-level converter and control method thereof |
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