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| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Yicheng Liu Jieping Wang Haiyan Tu |
| Abstract | In this paper, a new, high step-up quadratic boost converter with high conversion efficiency is discussed. A storage capacitor and resonant inductor are connected in series with a clamp capacitor through a diode. These compose a voltage multiplier cell, which is applied on the switch of the quadratic boost converter. The clamp capacitor can protect the switch from a voltage spike and absorb energy when the switch turns off; then, the storage capacitor and resonant inductor are charged by the energy stored in the clamped capacitor to increase the voltage transfer gain. In addition, the voltage multiplier cell can also reduce the voltage stresses of power devices. Then, a 16 V input, 200 V output prototype with 80 W nominal power is built up and tested. Furthermore, a finite time fast terminal sliding mode (NFTSM) control is proposed, with constant frequency for the voltageFundamental Building B213:tracking control of this converter. The new NFTSM is obtained by introducing an adjustable nonlinear term into fast terminal sliding mode (FTSM) control, and a singularity problem is avoided. The experiment illustrates that the maximum efficiency of the proposed converter achieves 95% at |
| e-ISSN | 19961073 |
| DOI | 10.3390/en12091716 |
| Journal | Energies |
| Issue Number | 9 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI AG |
| Publisher Date | 2019-05-01 |
| Publisher Place | Switzerland |
| Access Restriction | Open |
| Subject Keyword | Technology High Step-up Multiplier Cell Quadratic Boost Converter Fast Terminal Sliding Mode Finite Time Convergence |
| Content Type | Text |
| Resource Type | Article |
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