Design of Symmetrical Voltage Multiplier High Gain Interleaved DC to DC Converter for Photovoltaic Applications
Received: 24 February 2024 | Revised: 8 March 2024 and 14 March 2024 | Accepted: 15 March 2024 | Online: 25 April 2024
Corresponding author: Chilakala Rami Reddy
Abstract
High voltage gain interleaved DC to DC boost converters are employed in Photovoltaic (PV) energy conversion for their structural advantage. The proposed converter builds upon the existing two-phase interleaved DC to DC boost converter, which is commonly used in utility grid integration circuits to minimize ripple current from the PV. The aim is to enhance the output voltage of the currently installed PV array in order to cater to high-power applications or grid integration. The key requirements include achieving high-efficiency power conversion and fully utilizing the potential of the PV system. The methods being proposed to increase the PV output voltage suffer from drawbacks such as low efficiency, complexity, and cost. In contrast, the suggested DC-DC converter boasts a remarkable efficiency of 96% and is capable of converting voltage from 25 V to 400 V for a power output of 400 W. The designed converter has been simulated in MATLAB software and the performance is compared to existing converters related to voltage stress, voltage gain against given duty cycle, and efficiency.
Keywords:
high gain conversion, high-efficiency power conversion, interleaved DC to DC converter, photovoltaic system, high frequency switchingDownloads
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Copyright (c) 2024 Edara Sreelatha, Alagappan Pandian, Osamah Ibrahim Khalaf, P. Sarala, Chilakala Rami Reddy, Sameer Algburi, Habib Hamam
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