Seven-Level Inverter With Self-Balanced Switched-Capacitor and Its Cascaded Extension
A switched-capacitor based seven-level inverter is proposed in this work. It consists of two capacitors, two diodes, and eight transistors. The eight transistors form two H-bridges resulting in a simple structure and easy design of gate drivers. Capacitors' voltages are balanced automatically a...
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| Veröffentlicht in: | IEEE transactions on power electronics 2019-12, Vol.34 (12), p.11889-11896 |
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| container_title | IEEE transactions on power electronics |
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| creator | Peng, Wei Ni, Qiang Qiu, Xiaohuan Ye, Yuanmao |
| description | A switched-capacitor based seven-level inverter is proposed in this work. It consists of two capacitors, two diodes, and eight transistors. The eight transistors form two H-bridges resulting in a simple structure and easy design of gate drivers. Capacitors' voltages are balanced automatically as they operate in parallel with the input voltage source a few times during each cycle of output voltage. Voltage ripples and power loss are analyzed in detail. To obtain more output levels, the cascaded structure of the seven-level inverter is also investigated and a power balancing strategy is used to simplify design work. Finally, the effectiveness of the work is experimentally demonstrated by both the seven-level and 13-level prototypes. It indicates that the proposed inverter is capable of powering different types of loads, and its efficiency is up to above 97%. |
| doi_str_mv | 10.1109/TPEL.2019.2904754 |
| format | Article |
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It consists of two capacitors, two diodes, and eight transistors. The eight transistors form two H-bridges resulting in a simple structure and easy design of gate drivers. Capacitors' voltages are balanced automatically as they operate in parallel with the input voltage source a few times during each cycle of output voltage. Voltage ripples and power loss are analyzed in detail. To obtain more output levels, the cascaded structure of the seven-level inverter is also investigated and a power balancing strategy is used to simplify design work. Finally, the effectiveness of the work is experimentally demonstrated by both the seven-level and 13-level prototypes. It indicates that the proposed inverter is capable of powering different types of loads, and its efficiency is up to above 97%.</description><subject>Bridge circuits</subject><subject>Capacitors</subject><subject>Cascaded H-bridge (CHB)</subject><subject>Diodes</subject><subject>Electric potential</subject><subject>Gate drivers</subject><subject>Inverters</subject><subject>multilevel inverter (MLI)</subject><subject>Nickel</subject><subject>Power loss</subject><subject>Semiconductor devices</subject><subject>switched-capacitor (SC)</subject><subject>Switches</subject><subject>Transistors</subject><subject>Voltage</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLwseN6az01y1KVqYUGhLR5DmkzolnW3Jtuq_94tLV5mLs_7zvAgdEvwhBCsHxbv02pCMdETqjGXgp-hEdGc5JhgeY5GWCmRK63ZJbpKaYMx4QKTEVrOYQ9tXg2zyWbtHmIPMfuo-3U2hybkT7axrQOfzb_r3q3B56XdWlf3Xcxs67NZn7LSJmf9wEx_emhT3bXX6CLYJsHNaY_R8nm6KF_z6u1lVj5WuaOa9TlI5qhSLDgbaKEs50EoGQQVxfDdynGKPaw4Bhqs5wXRspDMe08LTq2Qgo3R_bF3G7uvHaTebLpdbIeThlKlqaRKsoEiR8rFLqUIwWxj_WnjryHYHOyZgz1zsGdO9obM3TFTA8A_r4qikBKzP7mXalo</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Peng, Wei</creator><creator>Ni, Qiang</creator><creator>Qiu, Xiaohuan</creator><creator>Ye, Yuanmao</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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It consists of two capacitors, two diodes, and eight transistors. The eight transistors form two H-bridges resulting in a simple structure and easy design of gate drivers. Capacitors' voltages are balanced automatically as they operate in parallel with the input voltage source a few times during each cycle of output voltage. Voltage ripples and power loss are analyzed in detail. To obtain more output levels, the cascaded structure of the seven-level inverter is also investigated and a power balancing strategy is used to simplify design work. Finally, the effectiveness of the work is experimentally demonstrated by both the seven-level and 13-level prototypes. It indicates that the proposed inverter is capable of powering different types of loads, and its efficiency is up to above 97%.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2019.2904754</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-6753-5307</orcidid></addata></record> |
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| ispartof | IEEE transactions on power electronics, 2019-12, Vol.34 (12), p.11889-11896 |
| issn | 0885-8993 1941-0107 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Bridge circuits Capacitors Cascaded H-bridge (CHB) Diodes Electric potential Gate drivers Inverters multilevel inverter (MLI) Nickel Power loss Semiconductor devices switched-capacitor (SC) Switches Transistors Voltage |
| title | Seven-Level Inverter With Self-Balanced Switched-Capacitor and Its Cascaded Extension |
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