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Chellammal Nallaperumal
SRM Institute of Science and Technology, Chennai, India

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Journal article
Published: 21 April 2021 in IEEE Access
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High voltage conversion dc/dc converters have perceived in various power electronics applications in recent times. In particular, the multi-port converter structures are the key solution in DC microgrid and electric vehicle applications. This paper focuses on a modified structure of non-isolated four-port (two input and two output ports) power electronic interfaces that can be utilized in electric vehicle (EV) applications. The main feature of this converter is its ability to accommodate energy resources with different voltage and current characteristics. The suggested topology can provide a buck and boost output simultaneously during its course of operation. The proposed four-port converter (FPC) is realized with reduced component count and simplified control strategy which makes the converter more reliable and cost-effective. Besides, this converter exhibits bidirectional power flow functionality making it suitable for charging the battery during regenerative braking of an electric vehicle. The steady-state and dynamic behavior of the converter are analyzed and a control scheme is presented to regulate the power flow between the diversified energy supplies. A small-signal model is extracted to design the proposed converter. The validity of the converter design and its performance behavior is verified using MATLAB simulation and experimental results under various operating states.

ACS Style

K. Suresh; C. Bharatiraja; N. Chellammal; Mohd Tariq; Ripon K. Chakrabortty; Michael J. Ryan; Basem Alamri. A Multifunctional Non-Isolated Dual Input-Dual Output Converter for Electric Vehicle Applications. IEEE Access 2021, 9, 64445 -64460.

AMA Style

K. Suresh, C. Bharatiraja, N. Chellammal, Mohd Tariq, Ripon K. Chakrabortty, Michael J. Ryan, Basem Alamri. A Multifunctional Non-Isolated Dual Input-Dual Output Converter for Electric Vehicle Applications. IEEE Access. 2021; 9 ():64445-64460.

Chicago/Turabian Style

K. Suresh; C. Bharatiraja; N. Chellammal; Mohd Tariq; Ripon K. Chakrabortty; Michael J. Ryan; Basem Alamri. 2021. "A Multifunctional Non-Isolated Dual Input-Dual Output Converter for Electric Vehicle Applications." IEEE Access 9, no. : 64445-64460.

Journal article
Published: 18 June 2020 in IEEE Access
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The solar PV based power generation systems are growing faster due to the depletion of fossil fuels and environmental concerns. Combining PV panels and energy buffers such as battery through multi-port converter is one of the viable solutions to deal with the intermittency of PV power. The goal of this paper is to design and analyze the proposed triple port DC-DC buck-boost converter for high step-up/step-down applications. It has two unidirectional ports (port-1 and port-3) and one bi-directional port (port-2) for harnessing photovoltaic energy and charging the battery. At port-1, the combined structure of buck and buck-boost converter is used with a particular arrangement of switches and inductors. The step-up/step-down voltage conversion ratio is higher than the conventional buck-boost converter, and the polarity of the output voltage is maintained positive. The battery is added at the bi-directional port, for the storage of energy through the bi-directional boost converter. The switches operate synchronously for most of the modes making the control strategy simple. The characteristics and modes of operation along with a switching strategy, are elaborated. Experimental results are presented which validate the agreement with the developed theoretical expectation.

ACS Style

Balaji Chandrasekar; Chellammal Nallaperumal; Sanjeevikumar Padmanaban; Mahajan Sagar Bhaskar; Jens Bo Holm-Nielsen; Zbigniew Leonowicz; Samson O. Masebinu. Non-Isolated High-Gain Triple Port DC–DC Buck-Boost Converter With Positive Output Voltage for Photovoltaic Applications. IEEE Access 2020, 8, 113649 -113666.

AMA Style

Balaji Chandrasekar, Chellammal Nallaperumal, Sanjeevikumar Padmanaban, Mahajan Sagar Bhaskar, Jens Bo Holm-Nielsen, Zbigniew Leonowicz, Samson O. Masebinu. Non-Isolated High-Gain Triple Port DC–DC Buck-Boost Converter With Positive Output Voltage for Photovoltaic Applications. IEEE Access. 2020; 8 ():113649-113666.

Chicago/Turabian Style

Balaji Chandrasekar; Chellammal Nallaperumal; Sanjeevikumar Padmanaban; Mahajan Sagar Bhaskar; Jens Bo Holm-Nielsen; Zbigniew Leonowicz; Samson O. Masebinu. 2020. "Non-Isolated High-Gain Triple Port DC–DC Buck-Boost Converter With Positive Output Voltage for Photovoltaic Applications." IEEE Access 8, no. : 113649-113666.

Correction
Published: 29 July 2019 in Energies
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The authors wish to make the following corrections to their paper

ACS Style

C. Anuradha; C. Sakthivel; T. Venkatesan; N. Chellammal. Correction: C. Anuradha; C. Sakthivel; T. Venkatesan; N. Chellammal. Analysis of Non-Isolated Multi-Port Single Ended Primary Inductor Converter for Standalone Applications. Energies 2018, 11, 539. Energies 2019, 12, 2919 .

AMA Style

C. Anuradha, C. Sakthivel, T. Venkatesan, N. Chellammal. Correction: C. Anuradha; C. Sakthivel; T. Venkatesan; N. Chellammal. Analysis of Non-Isolated Multi-Port Single Ended Primary Inductor Converter for Standalone Applications. Energies 2018, 11, 539. Energies. 2019; 12 (15):2919.

Chicago/Turabian Style

C. Anuradha; C. Sakthivel; T. Venkatesan; N. Chellammal. 2019. "Correction: C. Anuradha; C. Sakthivel; T. Venkatesan; N. Chellammal. Analysis of Non-Isolated Multi-Port Single Ended Primary Inductor Converter for Standalone Applications. Energies 2018, 11, 539." Energies 12, no. 15: 2919.

Research article
Published: 17 June 2019 in International Transactions on Electrical Energy Systems
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Electric vehicle (EV) systems are the promising future transportation system as they play a key role in reducing the atmospheric carbon emission, and it becomes the focal point of research and development in the current epoch. This paper presents the design and development of three‐port dc‐dc buck‐boost converter (TPB2C) applicable for EV. The main feature of the proposed converter is its ability to handle diversified energy sources of different voltage and current characteristics with high output gain. The designed single stage converter with reduced components count can be operated in buck, boost, and buck‐boost mode with partial bidirectional power flow capability. In addition, the TPB2C converter could provide buck and boost output simultaneously unlike its counterparts which can output either buck or boost output. In buck mode, the suggested topology charges the battery and thereby eliminates a separate battery management system. Roof top photovoltaic panel and battery are the two input sources for the suggested converter. A small‐signal model of the converter is developed using state‐space approach, and the steady‐state performance of the converter is analyzed comprehensively. The device level simulations carried out in MATLAB‐Simulink and the experimental laboratory prototype model are validated using a dSPACE1104 real‐time digital controller.

ACS Style

Kothandan Suresh; Nallaperumal Chellammal; Chokkalingam Bharatiraja; Padmanaban Sanjeevikumar; Frede Blaabjerg; Jens Bo Holm Nielsen. Cost‐efficient nonisolated three‐port DC‐DC converter for EV/HEV applications with energy storage. International Transactions on Electrical Energy Systems 2019, 29, 1 .

AMA Style

Kothandan Suresh, Nallaperumal Chellammal, Chokkalingam Bharatiraja, Padmanaban Sanjeevikumar, Frede Blaabjerg, Jens Bo Holm Nielsen. Cost‐efficient nonisolated three‐port DC‐DC converter for EV/HEV applications with energy storage. International Transactions on Electrical Energy Systems. 2019; 29 (10):1.

Chicago/Turabian Style

Kothandan Suresh; Nallaperumal Chellammal; Chokkalingam Bharatiraja; Padmanaban Sanjeevikumar; Frede Blaabjerg; Jens Bo Holm Nielsen. 2019. "Cost‐efficient nonisolated three‐port DC‐DC converter for EV/HEV applications with energy storage." International Transactions on Electrical Energy Systems 29, no. 10: 1.

Research article
Published: 14 May 2019 in The International Journal of Electrical Engineering & Education
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Photovoltaic power generation has transformed into the most reassuring strategy for power generation among the renewable sources in view of its intrinsic favorable circumstances. The significant snag that photovoltaic system poses like other inexhaustible sources is the power intermittency in regard to atmospheric conditions like irradiation and temperature. These photovoltaic systems are interfaced to the grid through filters via inverters to prevent harmonics getting in to the grid. Generally, inductor–capacitor–inductor filters are employed in grid-connected system, as they provide better harmonic attenuation than inductor and inductor-capacitor filters. However, they bring resonance as well as oscillations into the grid-connected system. So, in order to suppress the resonance that brings instability problems in the system, active damping control strategies are adopted. But these conventional active damping methods increase the complexity of the system as they need extra sensors. This article proposes a fuzzy logic control-based active damping method to ease the control activity. The proposed controller is contrasted with the injected grid current feedback controller to investigate the resonance damping and the stability of grid interfaced multilevel inverter with inductor–capacitor–inductor filter. When compared with the injected grid current feedback controller, the fuzzy logic control approach promises satisfactory performance based on harmonic content, resonance peak, and stability analysis. The compliance according to the industrial standard in terms of harmonics is met in this article and is duly documented within the manuscript. Simulation results verify the design strategies and the effectiveness of the proposed fuzzy logic control strategy.

ACS Style

O Hemakesavulu; Subhransu S Dash; Nallaperumal Chellammal. An intelligent control approach for resonance damping in a grid-connected inverter system. The International Journal of Electrical Engineering & Education 2019, 1 .

AMA Style

O Hemakesavulu, Subhransu S Dash, Nallaperumal Chellammal. An intelligent control approach for resonance damping in a grid-connected inverter system. The International Journal of Electrical Engineering & Education. 2019; ():1.

Chicago/Turabian Style

O Hemakesavulu; Subhransu S Dash; Nallaperumal Chellammal. 2019. "An intelligent control approach for resonance damping in a grid-connected inverter system." The International Journal of Electrical Engineering & Education , no. : 1.

Journal article
Published: 11 January 2019 in Energies
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An efficient way of synthesizing a three port non-isolated converter from a single-ended primary inductor converter (SEPIC) is proposed in this paper. The primary SEPIC converter is split into a source cell and a load cell. Two such source cells are integrated through direct current (DC) link capacitors with a common load cell to generate a three-port SEPIC converter. The derived converter features single-stage power conversion with reduced structural complexity and bidirectional power flow capability. For bidirectional power flow, it incorporates a battery along with an auxiliary photovoltaic source. Mathematical analyses were carried out to describe the operating principles and design considerations. Experiments were performed on an in-house-built prototype three-port unidirectional converter, and the results are presented to validate the feasibility of the designed converter.

ACS Style

C. Anuradha; N. Chellammal; Saquib Maqsood; S. Vijayalakshmi. Design and Analysis of Non-Isolated Three-Port SEPIC Converter for Integrating Renewable Energy Sources. Energies 2019, 12, 221 .

AMA Style

C. Anuradha, N. Chellammal, Saquib Maqsood, S. Vijayalakshmi. Design and Analysis of Non-Isolated Three-Port SEPIC Converter for Integrating Renewable Energy Sources. Energies. 2019; 12 (2):221.

Chicago/Turabian Style

C. Anuradha; N. Chellammal; Saquib Maqsood; S. Vijayalakshmi. 2019. "Design and Analysis of Non-Isolated Three-Port SEPIC Converter for Integrating Renewable Energy Sources." Energies 12, no. 2: 221.

Journal article
Published: 24 April 2018 in Energies
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Photovoltaic (PV) resources are connected to power grid through voltage source inverters. The quality of power output from PV inverter should be in grid compliance of IEEE standard. In this regard, the deployment of appropriate low pass filters such as inductor (L), capacitor (C) or inductor capacitor inductor (LCL) is critical as they aid in minimizing the harmonics being injected into the grid. LCL filters are well entrenched but they bring in stability issue due to resonance and therefore a damping controller with suitable control logic is needed. In this work, to suppress resonance, a Proportional Resonant-Derivative (PR-D) controller has been designed, proposed, and compared with existing counterparts, i.e., two-degree of freedom controller (2DOF) and feedback current controller. The results exhibits that PR-D controller admits meliorate resonance damping and constancy when compared with the two other schemes. The whole system has been simulated in MATLAB/Simulink environment and a prototype has also been made to ensure the performance.

ACS Style

Hemakesavulu Oruganti; Subranshu Sekhar Dash; Chellammal Nallaperumal; Sridhar Ramasamy. A Proportional Resonant Controller for Suppressing Resonance in Grid Tied Multilevel Inverter. Energies 2018, 11, 1024 .

AMA Style

Hemakesavulu Oruganti, Subranshu Sekhar Dash, Chellammal Nallaperumal, Sridhar Ramasamy. A Proportional Resonant Controller for Suppressing Resonance in Grid Tied Multilevel Inverter. Energies. 2018; 11 (5):1024.

Chicago/Turabian Style

Hemakesavulu Oruganti; Subranshu Sekhar Dash; Chellammal Nallaperumal; Sridhar Ramasamy. 2018. "A Proportional Resonant Controller for Suppressing Resonance in Grid Tied Multilevel Inverter." Energies 11, no. 5: 1024.

Journal article
Published: 02 March 2018 in Energies
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A non-isolated Multiport Single Ended Primary Inductor Converter (SEPIC) for coordinating photovoltaic sources is developed in this paper. The proposed multiport converter topologies comprise a Single Input Multi yield (SIMO) and Multi Input Multi Output (MIMO). It is having the merits of decreased number of parts and high power density. Steady state analysis verifies the improved situation of both the proposed topologies, which is further checked through simulation results.

ACS Style

C. Anuradha; C. Sakthi Vel; T. Venkatesan; N. Chellammal. Analysis of Non-Isolated Multi-Port Single Ended Primary Inductor Converter for Standalone Applications. Energies 2018, 11, 539 .

AMA Style

C. Anuradha, C. Sakthi Vel, T. Venkatesan, N. Chellammal. Analysis of Non-Isolated Multi-Port Single Ended Primary Inductor Converter for Standalone Applications. Energies. 2018; 11 (3):539.

Chicago/Turabian Style

C. Anuradha; C. Sakthi Vel; T. Venkatesan; N. Chellammal. 2018. "Analysis of Non-Isolated Multi-Port Single Ended Primary Inductor Converter for Standalone Applications." Energies 11, no. 3: 539.