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Content Provider | IET Digital Library |
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Author | Maalandish, Mohammad Hosseini, Seyed Hossein Jalilzadeh, Tohid Vosoughi, Naser |
Abstract | In this study, a new non-isolated high step-up dc–dc converter using one switch and low-voltage stress on semiconductors is presented for photovoltaic applications. The proposed converter consists of one switch in the input side (S), voltage multiplier units (D–C–L), one diode in the output side (D o) and one capacitor (C o). To achieve high-voltage gain and power level, the proposed converter can be extended to n stages of voltage multiplier units. Hence, the output voltage level will be reasonably increased and the nominal value of power devices will be decreased. Therefore, the voltage stress across the power switch is decreasing for different duty cycles at high power levels. As a result, the efficiency of the proposed converter can be increased by using one switch with lower resistance r DS(on). To verify the carried mathematical analysis of the proposed converter and circuit implementation are validated through both the simulation and experimental results that accordance each other well. The experimental results of two prototypes (with n = 2, 3) in about 290 W operating at 33 kHz are provided. |
Starting Page | 2081 |
Ending Page | 2092 |
Page Count | 12 |
ISSN | 17554535 |
Volume Number | 11 |
e-ISSN | 17554543 |
Issue Number | Issue 13, Nov (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/11/13 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5400 |
Journal | IET Power Electronics |
Publisher Date | 2018-07-27 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Analogue Circuit Capacitor DC-DC Power Converter Duty Cycles Frequency 33.0 KHz High Power Levels High-voltage Gain Low-voltage Stress Mathematical Analysis Nonisolated High Step-up DC–DC Converter Output Voltage Level Photovoltaic Application Photovoltaic Power System Power 290.0 W Power Electronics Power Level Power Supply Power Switch Solar Power Stations Supervisory Circuit Voltage Multiplier Units Voltage Multipliers |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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