Volume 16, Issue 1 (March 2020)                   IJEEE 2020, 16(1): 1-12 | Back to browse issues page

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Pourjafar S, Shayeghi H, Madadi Kojabadi H, Maalandish M, Sedaghati F. A Coupled Inductor Based High Voltage Gain DC-DC Converter Using Interleaved Voltage Multiplier Cells. IJEEE 2020; 16 (1) :1-12
URL: http://ijeee.iust.ac.ir/article-1-1469-en.html
A Coupled Inductor Based High Voltage Gain DC-DC Converter Using Interleaved Voltage Multiplier Cells
S. Pourjafar , H. Shayeghi , H. Madadi Kojabadi , M. Maalandish , F. Sedaghati
Abstract:   (4085 Views)
In this work, a non-isolated high step up DC-DC converter using coupled inductor and voltage multiplier cell is proposed. The proposed converter conversion ratio is efficiently extended by using a coupled inductor. An interleaved configuration of two diode-capacitor cells is applied to step up the voltage conversion ratio and decrease the voltage stress across the switches. Also, in the suggested converter high voltage gain is provided by low turn ratio of the coupled inductor which decreases the volume of cores. Moreover, the reverse recovery problem of output diode is diminished by recycling the leakage inductance energy of the coupled inductor. It causes to increase the overall system efficiency. Furthermore, the voltage multiplier cells lead to clamp the voltage spikes through the switch, when the switch turns off. The comparison between the suggested converter and similar converters is provided to verify its advantages. To validate the effectiveness of the suggested converter, a 200W laboratory prototype with 20V input and 150V output voltages operating at 25kHz switching frequency is carried out and experimental test consequences are given.
Keywords: Non-Isolated Converter , High Conversion Ratio , Coupled Inductor , Voltage Multiplier Cell
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  • High voltage conversion ratio with high efficiency 
  • Lower peak voltage through the semiconductors can be achieved by selecting an appropriate value of the turn’s ratio of the coupled inductor 
  • Less number of active and passive elements such as inductors and semiconductors. 
  • Low size, volume, and cost.

Type of Study: Research Paper | Subject: Converters
Received: 2019/04/14 | Revised: 2019/11/02 | Accepted: 2019/11/05
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.