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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lanhua Zhang Bin Gu Dominic, J. Baifeng Chen Jih-Sheng Lai |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA (Lanhua Zhang; Bin Gu; Dominic, J.; Baifeng Chen; Jih-Sheng Lai) |
| Abstract | This paper presents a new method of current control that employs burst mode in order to balance the dc-side capacitor voltages of split phase inverters. By alternating the inductor current in every switching period, zero-voltage switching (ZVS) can be achieved, which avoids the reverse recovery issue of power MOSFETs. As a result, super-junction MOSFETs instead of IGBTs can be employed to achieve higher efficiency. Combining the hysteresis current control with traditional pulse-width modulation (PWM), a new burst mode control method is proposed in this paper. The minimum operation time during a set modulation period is limited then the efficiency at the light load can be increased. A buck-and-boost converter is employed as the auxiliary circuit for the capacitor voltage balancing circuit. Due to the proposed ZVS method, inductor volume can be reduced. A prototype with 25 A current capacity is built to verify all the performance of the presented control method. The efficiency over the whole load range is over 98% with a peak efficiency of 98.4%. |
| Sponsorship | IEEE Power Electron. Soc. |
| Starting Page | 2394 |
| Ending Page | 2400 |
| File Size | 2339891 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781479923250 |
| DOI | 10.1109/APEC.2014.6803638 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-03-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Switches Inverters Capacitors Equalizers Inductors Zero voltage switching Modulation |
| Content Type | Text |
| Resource Type | Article |
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