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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chunxi Liu Weiming Ma Chi Sun Wenhua Hu |
| Copyright Year | 2009 |
| Description | Author affiliation: College of Electrical Engineering, Zhejiang University, Hangzhou, 310027, China (Chunxi Liu) || School of Electrical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China (Wenhua Hu) || National Key Laboratory for Vessel Integrated Power System Technology, Naval University of Engineering, Wuhan, 430033, China (Weiming Ma; Chi Sun) |
| Abstract | The device switching frequency is low and the output voltage fundamental frequency is high in high power middle frequency 400Hz/115V inverters, so the control bandwidth is limited and it is hard to promise a good waveform quality. The delay induced by the implementation of sampling, computing and PWM during digital control has bad impact on the system transient and steady state performances. In this paper, the cascaded topology with two H-Bridge units which can get a higher equivalent switching frequency and reduce harmonic content in output voltage and P+resonant controller which can eliminate steady state error were adopted in a single-phase inverter. The delay resulting from the processes of sampling, computing and digital PWM was analyzed. The control parameters were designed in the continuous domain design by introduced an equivalent time delay. Finally, the discrete simulation on a single-phase 100kVA, 400Hz/115V inverter model was presented, and the simulation verified the effectiveness of the proposed scheme. |
| Starting Page | 1544 |
| Ending Page | 1549 |
| File Size | 224516 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424435562 |
| DOI | 10.1109/IPEMC.2009.5157634 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-05-17 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Digital control Pulse width modulation inverters Pulse width modulation Switching frequency Voltage control Delay Sampling methods Steady-state Computational modeling Bandwidth P+Resonant controller Control Delay Digital Control Digital PWM High Power Middle Frequency Inverter |
| Content Type | Text |
| Resource Type | Article |
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