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Journal articles on the topic 'Interleaved SEPIC'

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Published: 4 June 2025
Last updated: 15 July 2025

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1

R., Sasikala. "Interleaved Sepic Bridgeless AC-DC Converter for PFC Applications." Journal of Advanced Research in Dynamical and Control Systems 12, no. 01-Special Issue (2020): 593–600. http://dx.doi.org/10.5373/jardcs/v12sp1/20201108.

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2

Tseng, Sheng Yu, and Shu Yuan Fan. "Interleaved Soft-Switching Converter with L-C-D Snubber for Reflex Charger." Applied Mechanics and Materials 284-287 (January 2013): 2555–60. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.2555.

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This paper presents a Reflex charger realized by N sets of interleaved soft-switching converters with L-C-D snubbers. The interleaved converters used for implementing the Reflex charging technique can be interleaved boost, interleaved buck-boost, and interleaved sepic converters. The use of the L-C-D snubber in each set of interleaved converter is to reduce turn-off switching losses, hence, to achieve higher conversion efficiencies of the interleaved converters and to extend the lifetime of rechargeable batteries. A prototype of Reflex charger with four sets of interleaved buck-boost con-verters is implemented for charging lead acid batteries of 12V. Experimental results show that the proposed circuit structure can generate the required positive/negative pulses for the Reflex charging.
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3

Kalirasu, A. "A Novel Single Source Multiple Output Converter Integrating Buck-Boost and Fly Back Yopology for SMPS Applications." Indonesian Journal of Electrical Engineering and Computer Science 8, no. 3 (2017): 733. http://dx.doi.org/10.11591/ijeecs.v8.i3.pp733-736.

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<p>This paper presents a novel single DC input source and multiple DC output suitable for switched mode power supply (SMPS) applications integrating interleaved boost and sepic converter with fly back topology. The proposed converter can be remodeled for any required output voltage power supply without changing hardware structure because wide range of output voltage can be obtained using sepic and boost converters by changing duty cycle command by implementing a simple voltage input pi controller. Conventional fly back topology is added to interleaved circuit to produce desired dc output voltage this voltage can be controlled by choosing turns ratio of fly back transformer. The proposed multi output DC converter is simulated in MATLAB/Simulink environment and results are presented for verifying merits of the converter.</p>
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4

Azra, Fatima, and M.S.Aspalli. "DesignandSimulation of High-Efficiency High Gain non Isolated Interleaved DC-DC Converter with Reduced Voltage Stress on the Devices." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 9, no. 12 (2020): 312–17. https://doi.org/10.5281/zenodo.5848080.

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In this paper, a non-isolated two interleaved modified step up KY Converter is analyzed and designed, whose efficiency,the voltage conversion ratio is high. There are various types of non -isolated converters such as buck-boost, Cuk, SEPIC, ZETA converters, etc but the voltage gain of these converters is less compare to the proposed interleaved KY converters. The voltage gain, efficiency of the proposed converter is enhanced compared to the previous converters. The voltage stress on semi-conductor devices and the ripple in the input current is reduced because of this interleaving technique. Switches with low on-state resistance are used due to which the conduction losses are reduced. Steady-state analysis and the operating principle are studied in continuous conduction mode (CCM) at ideal conditions. Simulation is also carried out in MATLAB/Simulink for the proposed interleaved KY converter.
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5

G, Ramanathan, and Bharatiraja C. "A Single Stage Sepic Converter for Electric Vehicles Charging." ECS Transactions 107, no. 1 (2022): 6553–60. http://dx.doi.org/10.1149/10701.6553ecst.

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This proposed system is about bidirectional power flow for charger of an E-Vehicles. The charger connected with PV source is designed, modelled, and implemented. In this topology, the output charging current is regulated by DC-DC converter. The bidirectional interleaved isolated SEPIC converter is proposed in this paper for charging the electric vehicle. The multi-step constant current charging method is used for charging operation. This reduces the number of power electronic components, which in turn minimizes the power loss. Simulation is carried out in MATLAB/Simulink, and the results are obtained, which shows that battery can be charged with this topology.
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6

R., Sasikala, and Seyezhai R. "Review of AC-DC power electronic converter topologies for power factor correction." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 3 (2019): 1510–19. https://doi.org/10.11591/ijpeds.v10.i3.pp1510-1519.

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Increased harmonic content and low power factor in power systems caused by power converters have been of great concern. To overcome this, several converter topologies employing advanced semiconductor devices and control schemes have been proposed. The aim of this paper is to identify a low cost, small size, efficient and reliable ac to dc converter to meet the input performance index of uninterrupted power supply. In this paper, comparison between three converters namely AC-DC Cuk rectifier, Fly back converter & Interleaved SEPIC converter have been carried out. For the above converters both bridged and bridgeless topologies have been analysed. The working of all the three types of converter has been illustrated with relevant waveforms followed by the simulation results. Comparison of the three converters have been done based on the parameters namely Displacement Factor, Supply Power Factor& supply THD. The results are verified.
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7

Tseng, Sheng Yu, and Yi Ren Juang. "Approach to Developing Interleaved Converter with Single-Capacitor Turn-Off Snubber." Applied Mechanics and Materials 284-287 (January 2013): 2477–84. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.2477.

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This paper presents a systematic approach to developing turn-off snubber for an interleaving converter to smooth out switch turn-off transition. With the approach, the interleaving converter with two turn-off snubbers, which are formed by two L-C-D type snubbers, can be replaced by the one with turn-off snubber composed of a single-capacitor snubber. It can be used in the basic six interleaved converters, such as buck, boost, buck-boost, ‘cuk, zeta and sepic converters. In this research, the structure of the interleaved converter with the turn-off snubber can be conveniently simplified from the derived general configurations, reducing the complexity of circuit structure significantly. Measured results from a buck prototype converter have been verified to prove the feasibility of the derived turn-off snubber.
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8

Cheng, Hung-Liang, Chun-An Cheng, Chien-Hsuan Chang, En-Chih Chang, Lain-Chyr Hwang, and Yi-Chan Hung. "Interleaved Modified SEPIC Converters with Soft Switching and High Power Factor for LED Lighting Appliance." Applied Sciences 14, no. 15 (2024): 6656. http://dx.doi.org/10.3390/app14156656.

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A novel ac/dc LED driver with power factor correction and soft-switching functions is proposed. The circuit topology mainly consists of two modified single-ended primary inductance converters (SEPIC) with interleaved operation. The first half stage of SEPIC operates like a boost converter and the second half stage operates like a buck–boost converter. Each boost converter is designed to operate in discontinuous current mode (DCM) to function as a power factor corrector (PFC). The two buck–boost converters that share a commonly coupled inductor are designed to operate at near boundary conduction mode (BCM). Without using any active clamping circuit, auxiliary switch or snubber circuit, the active switches can achieve zero-voltage switching on, and all diodes achieve zero-current switching off. First, operation modes in steady state are analyzed, and the mathematical equations for design component parameters are derived. Finally, a prototype circuit of 180 W rated power was built and tested. Experimental results show satisfactory performance of the proposed circuit.
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9

Gao, Shanshan, Yijie Wang, Yueshi Guan, and Dianguo Xu. "A High Step Up SEPIC-Based Converter Based on Partly Interleaved Transformer." IEEE Transactions on Industrial Electronics 67, no. 2 (2020): 1455–65. http://dx.doi.org/10.1109/tie.2019.2910044.

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10

R, Sreemallika, and Seyezhai R. "Investigation of Closed Loop Current Control Strategies for Bridgeless Interleaved Sepic Converter." Electrical and Electronics Engineering: An International Journal 3, no. 3 (2014): 63–70. http://dx.doi.org/10.14810/elelij.2014.3306.

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11

Pragallapati, Nataraj, and Vivek Agarwal. "Distributed PV Power Extraction Based on a Modified Interleaved SEPIC for Nonuniform Irradiation Conditions." IEEE Journal of Photovoltaics 5, no. 5 (2015): 1442–53. http://dx.doi.org/10.1109/jphotov.2015.2451534.

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12

Blinov, Andrei, Ievgen Verbytskyi, Denys Zinchenko, Dmitri Vinnikov, and Ilya Galkin. "Modular Battery Charger for Light Electric Vehicles." Energies 13, no. 4 (2020): 774. http://dx.doi.org/10.3390/en13040774.

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Rapid developments in energy storage and conversion technologies have led to the proliferation of low- and medium-power electric vehicles. Their regular operation typically requires an on-board battery charger that features small dimensions, high efficiency and power quality. This paper analyses an interleaved step-down single-ended primary-inductor converter (SEPIC) operating in the discontinuous conduction mode (DCM) for charging of battery-powered light electric vehicles such as an electric wheelchair. The required characteristics are achieved thanks to favourable arrangement of the inductors in the circuit: the input inductor is used for power factor correction (PFC) without additional elements, while the other inductor is used to provide galvanic isolation and required voltage conversion ratio. A modular interleaved structure of the converter helps to implement low-profile converter design with standard components, distribute the power losses and improve the performance. An optimal number of converter cells was estimated. The converter uses a simple control algorithm for constant current and constant voltage charging modes. To reduce the energy losses, synchronous rectification along with a common regenerative snubber circuit was implemented. The proposed charger concept was verified with a developed 230 VAC to 29.4 VDC experimental prototype that has proved its effectiveness.
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13

Oliver, Jeba Singh, Prince Winston David, Praveen Kumar Balachandran, and Lucian Mihet-Popa. "Analysis of Grid-Interactive PV-Fed BLDC Pump Using Optimized MPPT in DC–DC Converters." Sustainability 14, no. 12 (2022): 7205. http://dx.doi.org/10.3390/su14127205.

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In solar photovoltaic (PV) system-based Brushless DC (BLDC) motors for water pumping application, the role of DC/DC converters is very important. In order to extract the maximum power from the PV array, an efficient DC/DC converter is essential at the intermediate stage. In this work, different DC/DC converter topologies suitable for BLDC motors are proposed. The converters are supported by an optimized maximum power point tracking system to provide a reliable operation. Recent optimization algorithms such as fuzzy logic, perturb and observe, grey wolf, and whale optimization are implemented with the PI controller in maximum power point tracking to maximize the conversion efficiency. The obtained results using SEPIC, LUO, and interleaved LUO converters provide a comparative study in the case of converter output, motor parameters, and grid output. The performance analysis on three different converters and multiple optimization methods are carried out. By analyzing the performance of different converter topologies, the interleaved LUO converter outperforms the other two converters with the results of a voltage gain ratio of 1:22, conversion efficiency of 98.3%, and grid current THD of 2.9%. Moreover, regarding the power quality aspect, the total harmonic distortion of the grid current is maintained below the IEEE-519 standard. In addition, the developed system has an advantage of operating both in stand-alone and grid-connected operation modes.
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14

Kalyan, R., M. Venkata Subbaiah, B. Sai Charan, K. Meenendranath Reddy, and Dr P. Sankar Babu. "Modelling and Control of SEPIC and BIDC Converter Based off-Board EV Battery Charger using PV Array." Journal of Energy Engineering and Thermodynamics, no. 24 (July 30, 2022): 36–45. http://dx.doi.org/10.55529/jeet.24.36.45.

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Recent years have seen a dramatic increase in the usage of renewable energy sources in a variety of industries, including the automotive sector where it plays a role in charging the batteries of electric vehicles (EVs). Here, we present a method for lightweight EVs that uses a solar energy power conversion with SEPIC and bidirectional interleaved DC-DC converter (BIDC) to charge their batteries from the grid instead of on-board. The suggested technology can recharge the electric vehicle's battery throughout daylight and nighttime hours. The EV battery and the backup battery both get charged during peak sunlight hours, and the backup battery helps charge the EV battery when the sun isn't out. In order to test the effectiveness of the proposed charging method, a simulation was run in the MATLAB software using the Simulink application.
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15

Shi, Chuan, Alireza Khaligh, and Haoyu Wang. "Interleaved SEPIC Power Factor Preregulator Using Coupled Inductors In Discontinuous Conduction Mode With Wide Output Voltage." IEEE Transactions on Industry Applications 52, no. 4 (2016): 3461–71. http://dx.doi.org/10.1109/tia.2016.2553650.

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16

R, Tamilamuthan, and Geetha B T. "Optimized High Gain Interleaved Sepic Converter for Electric Vehicle Charging Stations with Emphasis on Renewable Energy Integration." International Journal of Electrical and Electronics Engineering 11, no. 3 (2024): 1–14. http://dx.doi.org/10.14445/23488379/ijeee-v11i3p101.

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17

Sasikala, Rajagopal, and R. Seyezhai. "Review of AC-DC power electronic converter topologies for power factor correction." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 3 (2019): 1510. http://dx.doi.org/10.11591/ijpeds.v10.i3.pp1510-1519.

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<p>Increased harmonic content and low power factor in power systems caused by power converters have been of great concern. To overcome this, several converter topologies employing advanced semiconductor devices and control schemes have been proposed. The aim of this paper is to identify a low cost, small size, efficient and reliable ac to dc converter to meet the input performance index of uninterrupted power supply. In this paper, comparison between three converters namely AC-DC Cuk rectifier, Fly back converter & Interleaved SEPIC converter have been carried out. For the above converters both bridged and bridgeless topologies have been analysed. The working of all the three types of converter has been illustrated with relevant waveforms followed by the simulation results. Comparison of the three converters have been done based on the parameters namely Displacement Factor, Supply Power Factor& supply THD. The results are verified.</p>
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18

Parada-Salado, Juan-Gerardo, Martín-Antonio Rodríguez-Licea, Allan-Giovanni Soriano-Sanchez, Omar-Fernando Ruíz-Martínez, Alejandro Espinosa-Calderon, and Francisco-Javier Pérez-Pinal. "Study on Multiple Input Asymmetric Boost Converters with Simultaneous and Sequential Triggering." Electronics 10, no. 12 (2021): 1421. http://dx.doi.org/10.3390/electronics10121421.

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Paralleled boost asymmetric configurations operating in discontinuous conduction mode (DCM) are suitable for integrating dissimilar green energy generating sources and control algorithms in versatile scenarios where voltage step-up, low cost, stable operation, low output ripple, uncomplicated design, and acceptable efficiency are needed. Unfortunately, research has mainly been conducted on the buck, sepic, switched-capacitor, among other asymmetric configurations operating in continuous conduction mode (CCM), to the authors’ knowledge. For asymmetric boost type topologies, achieving simultaneous CCM is not a trivial task, and other problems such as circulating currents arise. Research for interleaved converters cannot be easily extended to asymmetric boost topologies due to the dissimilarity of control algorithms and types of sources and parallel stages. This paper analytically establishes properties of stability, output ripple, output voltage, and design for asymmetrical paralleled boost converters operating in DCM with simultaneous or phase delayed (sequential) triggering. A 300 W experimental design and the respective tests allow validation of such properties, resulting in an easy-to-implement configuration with acceptable efficiency.
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19

Periyathiruvadi, Muthu Thiruvengadam, and Gnanavadivel Jothimani. "Power factor preregulation in power supplies using modified single stage non-isolated interleaved Sepic converter with minimal part count." Computers and Electrical Engineering 119 (October 2024): 109476. http://dx.doi.org/10.1016/j.compeleceng.2024.109476.

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20

Prabhakaran, Prajof, and Vivek Agarwal. "Novel Boost-SEPIC Type Interleaved DC–DC Converter for Mitigation of Voltage Imbalance in a Low-Voltage Bipolar DC Microgrid." IEEE Transactions on Industrial Electronics 67, no. 8 (2020): 6494–504. http://dx.doi.org/10.1109/tie.2019.2939991.

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21

Komathi, C., and Mallapu Gopinath Umamaheswari. "Analysis and design of genetic algorithm-based cascade control strategy for improving the dynamic performance of interleaved DC–DC SEPIC PFC converter." Neural Computing and Applications 32, no. 9 (2019): 5033–47. http://dx.doi.org/10.1007/s00521-018-3944-9.

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22

Komathi, C., and Mallapu Gopinath Umamaheswari. "Correction to: Analysis and design of genetic algorithm-based cascade control strategy for improving the dynamic performance of interleaved DC–DC SEPIC PFC converter." Neural Computing and Applications 32, no. 10 (2020): 6413. http://dx.doi.org/10.1007/s00521-020-04786-x.

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23

Hussein, Bayan, Nima Abdi, and Ahmed Massoud. "Development of a three‐phase interleaved converter based on SEPIC DC–DC converter operating in discontinuous conduction mode for ultra‐fast electric vehicle charging stations." IET Power Electronics 14, no. 11 (2021): 1889–903. http://dx.doi.org/10.1049/pel2.12157.

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24

Chandraselvam, Komathi, and Umamaheswari M.G. "Analysis and design of IMC-PI Controller with faster set point tracking and disturbance rejection for Interleaved DC-DC SEPIC converter based Power Factor Correction." International Journal of Power Electronics 11, no. 1 (2020): 1. http://dx.doi.org/10.1504/ijpelec.2020.10017074.

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25

Komathi, C., and M. G. Umamaheswari. "Analysis and design of IMC-PI controller with faster set point tracking and disturbance rejection for interleaved DC-DC SEPIC converter-based power factor correction." International Journal of Power Electronics 13, no. 1 (2021): 1. http://dx.doi.org/10.1504/ijpelec.2021.111855.

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26

Uppin, Vinayak, Shivakumar Gouda, I. Sridhar, Umarfarooq M. A., Aravind Muddebihal, and Abhilash Edacherian. "Interleaving Carbon-Glass Veil in Glass Epoxy Composite for Improved Mode-I Fracture Toughness – A Hybrid Approach." Frattura ed Integrità Strutturale 18, no. 68 (2024): 127–39. http://dx.doi.org/10.3221/igf-esis.68.08.

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The present study investigates the influence of hybrid interleaving technique using Glass and Carbon veils to improve the mode-I fracture toughness in Glass epoxy laminates. Commercially available non-woven Carbon and Glass veils with different areal densities were used to develop hybrid interleaved composites. Two approaches of interleaving, namely inter-ply and inter-weaved veils, were followed to manufacture the interleaved composite laminates using the hand layup technique. Double Cantilever Beam (DCB) samples were tested to estimate the interlaminar fracture toughness (IFT). Test results indicate that the inter-ply interleaved composite (I-C30G30) exhibited an improved initial and propagation fracture toughness of about 16.98% and 3.08%, respectively. A decreased IFT during initiation and propagation was observed for I-C15G30 and I-C20G30 when compared to plain samples. In case of inter-weaved veil interleaving approach, an improved fracture toughness (GIC and GIP) of about 7.96% and 12.94%, respectively, was observed for W-C15G30 sample, nevertheless W-C20G30 and W-C30G30 showed a drop in fracture toughness (GIC) of an about 12.15% and 9.22%, respectively, and an improvement in fracture toughness (GIP) of about 12.37% and 13.82%, respectively, when compared to plain sample. Scanning electron photo images (SEPI) of cracked laminates witnessed the fracture mechanisms involved in hybrid ply interleaved and non-interleaved composite laminates.
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27

"Design and Simulation of High-Efficiency High Gain non Isolated Interleaved DC-DC Converter with Reduced Voltage Stress on the Devices." Regular 9, no. 12 (2020): 312–17. http://dx.doi.org/10.35940/ijitee.l8022.1091220.

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In this paper, a non-isolated two interleaved modified step up KY Converter is analyzed and designed, whose efficiency, the voltage conversion ratio is high. There are various types of non -isolated converters such as buck-boost, Cuk, SEPIC, ZETA converters, etc but the voltage gain of these converters is less compare to the proposed interleaved KY converters. The voltage gain, efficiency of the proposed converter is enhanced compared to the previous converters. The voltage stress on semi-conductor devices and the ripple in the input current is reduced because of this interleaving technique. Switches with low on-state resistance are used due to which the conduction losses are reduced. Steady-state analysis and the operating principle are studied in continuous conduction mode (CCM) at ideal conditions. Simulation is also carried out in MATLAB/Simulink for the proposed interleaved KY converter.
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28

Jayanthi, K., N. Senthil Kumar, and J. Gnanavadivel. "Interleaved high gain modified SEPIC converter in DC microgrid systems." International Journal of Electronics, May 21, 2024, 1–20. http://dx.doi.org/10.1080/00207217.2024.2354062.

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29

Marlin, S., and S. D. Sundarsingh Jebaseelan. "A novel Prairie Dog Optimization Algorithm (PDOA) based MPPT controlling mechanism for grid-PV systems." Journal of Autonomous Intelligence 7, no. 1 (2023). http://dx.doi.org/10.32629/jai.v7i1.810.

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<p>Recently, the solar photovoltaic (PV) systems are increasingly used in many application systems, due to their efficiency and cost-effectiveness. Still, extracting the maximum energy from PV panels under varying climatic conditions is one of the most significant problems. For this purpose, various optimization based MPPT controlling mechanisms are developed in the conventional works for obtaining the maximum energy yield. However, it suffers with the major problems of low convergence, computational burden, high time consumption to reach the optimal solution, and lack of efficiency. Therefore, this research work objects to implement a novel and recently developed optimization technique, named as, Prairie Dog Optimization Algorithm (PDOA) for MPPT controlling. With superior tracking efficiency and enhanced speed, it helps to extract the greatest power from the PV panels. In order to manage the output of PV with less switching stress and loss, a high gain interleaved SEPIC DC-DC converter is also used. A better power quality is ensured by using the voltage source inverter to lower harmonic distortion levels. The significance of the proposed study is to develop a novel optimization based MPPT controlling technique to obtain the maximum energy yield form the PV panels. The PDOA technique is not previously used for power extraction and MPP tracking, due to its intelligent best optimum solutions with high convergence, the proposed work uses the PDOA technique to optimally identify MPP. Also, the voltage boosting and conversion is performed with the use of high gain interleaved SEPIC converter with increased efficiency. Performance study evaluates and compares the simulation outcomes and the efficacy of the suggested regulating topology using a variety of metrics, including IV & PV characteristics, output voltage, output power, THD, grid output, peak time, settling time, and others.</p>
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30

Salvador, Thaís Carvalho, Fernando Lessa Tofoli, Demercil Souza Oliveira Júnior, and Enio Roberto Ribeiro. "Nonisolated high step‐up DC‐DC interleaved SEPIC converter based on voltage multiplier cells." International Journal of Circuit Theory and Applications, April 26, 2022. http://dx.doi.org/10.1002/cta.3307.

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31

Vijay Kumar, A., T. J. Thomas Thangam, E. Maheswari, C. Kothai Andal, K. S. Kavin, and P. Subha Karuvelam. "Crow search optimised PI controller-based coupled inductor interleaved SEPIC converter for PV applications." Australian Journal of Electrical and Electronics Engineering, May 26, 2025, 1–12. https://doi.org/10.1080/1448837x.2025.2511423.

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32

Andrei, Blinov, Verbytskyi Ievgen, Zinchenko Denys, Vinnikov Dmitri, and Galkin Ilya. "Modular Battery Charger for Light Electric Vehicles." MDPI Energies 13, no. 4 (2020). https://doi.org/10.3390/en13040774.

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Rapid developments in energy storage and conversion technologies have led to the proliferation of low- and medium-power electric vehicles. Their regular operation typically requires an on-board battery charger that features small dimensions, high efficiency and power quality. This paper analyses an interleaved step-down single-ended primary-inductor converter (SEPIC) operating in the discontinuous conduction mode (DCM) for charging of battery-powered light electric vehicles such as an electric wheelchair. The required characteristics are achieved thanks to favourable arrangement of the inductors in the circuit: the input inductor is used for power factor correction (PFC) without additional elements, while the other inductor is used to provide galvanic isolation and required voltage conversion ratio. A modular interleaved structure of the converter helps to implement low-profile converter design with standard components, distribute the power losses and improve the performance. An optimal number of converter cells was estimated. The converter uses a simple control algorithm for constant current and constant voltage charging modes. To reduce the energy losses, synchronous rectification along with a common regenerative snubber circuit was implemented. The proposed charger concept was verified with a developed 230 VAC to 29.4 VDC experimental prototype that has proved its effectiveness.
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33

Kavin, K. S., and P. Subha Karuvelam. "PV-based Grid Interactive PMBLDC Electric Vehicle with High Gain Interleaved DC-DC SEPIC Converter." IETE Journal of Research, August 2, 2021, 1–15. http://dx.doi.org/10.1080/03772063.2021.1958070.

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34

Kannan, Rajesh, and Venkatesan Sundharajan. "A novel MPPT controller based PEMFC system for electric vehicle applications with interleaved SEPIC converter." International Journal of Hydrogen Energy, January 2023. http://dx.doi.org/10.1016/j.ijhydene.2022.12.284.

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35

Komathi, C., S. Durgadevi, and M. G. Umamaheswari. "Analysis and design of energy efficient Interleaved DC-DC SEPIC PFC converter for Onboard EV Charger." Journal of Circuits, Systems and Computers, March 6, 2025. https://doi.org/10.1142/s0218126625502822.

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36

"PID-Based control of sepic power stage with QS bacterial-based search algorithm for renewable energy applications." ARPN Journal of Engineering and Applied Sciences, October 27, 2023, 1897–905. http://dx.doi.org/10.59018/0823234.

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In response to the growing need for efficient power conversion in renewable energy applications, this study addresses the issue of harmonic distortion and low Power Factor (PF) values caused by non-linear loads, such as electronic devices. Low PF results in reduced efficiency, increased energy consumption, and higher costs for both consumers and utilities. Active correction, typically involving an active circuit implemented using a power converter, provides an optimal solution by offering high performance, precise regulation, and low harmonic distortion. This research proposes a Power Factor Correction (PFC) solution utilizing an Interleaved DC-DC Single Ended Primary Inductance Converter (SEPIC) for the power stage and a Proportional Integral Derivative (PID) controller for the control block, tuned by a Quorum Sensing (QS) bacterial-based search algorithm. The PID controller parameters are derived using a frequency-domain approach, which presents advantages such as reduced design complexity, improved stability margins, and enhanced SEPIC performance. Simulation results indicate reduced overshoot, settling time, rise time, and Total Harmonic Distortion (THD) percentage, as well as increased efficiency and power factor nearing unity. The proposed scheme also demonstrates improved dynamic performance for variations in load, line, and reference voltage. Owing to its high efficiency, precise voltage regulation, and minimized impact on the electrical grid, this solution is well-suited for renewable energy applications, where optimizing energy conversion and ensuring stable operation are crucial for the overall performance of renewable energy systems.
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37

Baladhandapani, R., and M. Arul Prasanna. "High-gain interleaved SEPIC-Cuk converter with modified SBO-SVM MPPT for PMSM-based electric vehicle applications." Electrical Engineering, May 14, 2025. https://doi.org/10.1007/s00202-025-03120-9.

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38

"Enhancing grid-connected solar photovoltaic systems with high gain interleaved sepic-luo converter and optimized Anfis-Based MPPT." ARPN Journal of Engineering and Applied Sciences, August 15, 2024, 684–96. http://dx.doi.org/10.59018/062490.

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The escalating need for energy worldwide led to the growing prominence of grid-connected Solar Photovoltaic (SPV) systems. Capitalizing on the inherent benefits of photovoltaic power generation, including environmental sustainability, minimal maintenance requirements, and noise-free operation, SPV has become a pivotal Renewable Energy Source (RES). Within this conceptual framework, the modelling and control design of PV grid-tied systems is developed by integrating a High Gain Interleaved single-ended primary-inductor converter-Luo Converter. The core objectives encompass a comprehensive exploration of solar PV system behavior and the development of an efficient grid-connected solar power solution. These goals are realized through the implementation of an advanced MPPT circuit, which harnesses the power of the Improved Butterfly Optimized Algorithm (IBOA) to extract optimum power from solar PV modules. The resultant DC voltage, a product of the PV system, is skilfully channeled into a Single-Phase Voltage Source Inverter (1ϕVSI) for conversion into AC voltage. The obtained AC voltage stands ready for diverse applications within the grid. This framework represents a significant stride in SPV technology, offering an eco-friendly, high-efficiency energy solution that perfectly aligns with the surging demand for clean and sustainable power generation.
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39

Muthu Thiruvengadam, P., and J. Gnanavadivel. "Analysis of interval type-2 fuzzy controller based interleaved sepic PFC converter for PQ enhancement in power solutions." Journal of Intelligent & Fuzzy Systems, April 28, 2024, 1–15. http://dx.doi.org/10.3233/jifs-230325.

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The Power solutions have become indispensable for all the devices in recent years with an appropriate power conversion circuitries and control methods to ensure good dynamic response, improved stability, reliability and efficiency. The main intent of this article is to impart the designing of interval type-2 fuzzy logic controller (IT2FLC) based interleaved Sepic power factor correction (PFC) converter. This work also involves the careful design of the robust controller with enhanced precision and good power quality (PQ) performance at the AC mains. In addition, the development of IT2FLC based power solution improves the overall power conversion with stabilized output in the perspective of its quick rise time, less overshoot and fast settling time in comparison to other traditional controllers. Further, the uncertainties and issues associated with the conventional proportional integral (PI) and fuzzy logic controllers (FLCs) are handled effectively by the proposed IT2FLC controller. Moreover, this preferred converter is modeled with an internal parasitics and its performances are evaluated and compared with other conventional Zeigler Nicholas (ZN) tuned PI controller and FLC by dint of MATLAB/Simulink platform. Finally, the experimental test bench set up of 250 W, 48 V power circuitry is devised and the test outcomes confirm the excellent transient behavior and PQ performances of the modeled power solution.
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R, Siva Nagini. "Comprehensive Review of DC-DC Converters for PV Connected Grid System." International Journal of Advanced Trends in Engineering and Management, August 17, 2024. http://dx.doi.org/10.59544/akcy1104/ijatemv03i07p4.

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Renewable Energy Systems (RES) harness natural sources like sunlight, wind, and water to generate sustainable power. They decrease dependency on fossil fuels and minimize greenhouse gas emissions, promoting environmental sustainability and energy security. Photovoltaic (PV) systems are a prominent application of renewable energy, converting sunlight directly into electricity. However, the efficiency of PV systems adversely affected by varying environmental conditions and climatic changes, leading to fluctuations in voltage output. To address these challenges and optimize energy extraction, the integration of DC-DC converters into PV system is essential. In this paper an exhaustive review of various DC-DC converters technologies used in PV connected grid systems, including SEPIC converter, Buck boost converter, Boost converter, and CUK converter. Every converter plays a crucial role in managing and stabilizing voltage levels by adjusting the output voltage to meet the needs of the grid or load. A comparative analysis of recent research highlights various methodologies for enhancing converter performance. The review includes studies on ultra gain converters, Fourth order boost DC-DC converter (FBDC), high step up interleaved converters, and Quasi Z source converters. Each approach presents unique benefits and challenges, reflecting ongoing efforts to optimize DC-DC conversion in PV systems. The paper concludes with insights into the future direction of converter technologies and their role in enhance the stability and efficiency of PV connected systems.
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