A Non-Isolated Hybrid Zeta Converter with a High Voltage Gain and Reduced Size of Components

Reddy, P. Lokanatha; Obulesu, Y. P.; Singirikonda, Srinivas; Harthi, Mosleh Al; Alzaidi, Mohammed S.; Ghoneim, Sherif S. M.

doi:10.3390/electronics11030483

Cited by 9 publications

(5 citation statements)

References 20 publications

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“…A type of DC-DC power converter called a Zeta converter, see Figure 1, can change voltage in both step-up and step-down directions. They were created by combining buck and boost converters, and they have characteristics in common with the cuk converter [31]. Because of their versatility and high efficiency, Zeta converters are utilized in a wide range of applications, including telecommunications, solar energy harvesting, and batterypowered systems.…”

Section: 11%mentioning

confidence: 99%

“…For the evaluation of its efficiency, the converter operates in continuous current mode (CCM) with a fixed duty cycle and switching frequency, demonstrating its superior performance characteristics [31]. By showcasing the efficiency gains and practical benefits, the Mahafzah converter offers a promising alternative to traditional Cuk converters, making it an attractive option for various power electronics applications.…”

Section: 11%mentioning

confidence: 99%

“…The discussion that follows demonstrates proper converter parameter selection for CCM operation mode. The components of the proposed hybrid converter are selected based on the procedure used in [31,32].…”

Section: Design Of the Proposed Hybrid Converter For Ac-dc Adapter Ap...mentioning

confidence: 99%

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A New Smart Grid Hybrid DC–DC Converter with Improved Voltage Gain and Synchronized Multiple Outputs

Mahafzah,

Obeidat,

Mansour

et al. 2024

Applied Sciences

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This paper introduces a new hybrid DC–DC converter with enhanced voltage gain and synchronized multiple output capabilities, specifically tailored for smart grid applications. The proposed converter is based on the integration of non-isolated Zeta and Mahafzah converters, comprising a single controlled switch, two diodes, three inductors, and two coupling capacitors. The primary objective of this novel hybrid converter is to improve voltage gain as compared to conventional Zeta and Mahafzah topologies. By achieving higher voltage gain at lower duty cycles, the converter effectively reduces voltage stress on semiconductor switches and output diodes, thereby enhancing overall performance and reliability. A comprehensive examination of the hybrid converter’s operating principle is presented, along with detailed calculations of duty cycle and switching losses. The paper also explores the converter’s application in smart grids, specifically in the context of renewable energy systems and electric vehicles. Two distinct scenarios are analyzed to evaluate the converter’s efficacy. Firstly, the converter is assessed as a DC–DC converter for renewable energy systems, highlighting its relevance in sustainable energy applications. Secondly, the converter is evaluated as an electric vehicle adapter, showcasing its potential in the transportation sector. To validate the converter’s performance, extensive simulations are carried out using MATLAB/SIMULINK with parameters set at 25 kW, 200 V, and 130 A. The simulation results demonstrate the converter’s ability to efficiently supply multiple loads with opposing energy flows, making it a promising technology for optimized grid management and energy distribution. Moreover, the paper investigates the total harmonic distortion (THD) of the grid current, focusing on its impact in smart grid environments. Notably, the new hybrid converter topology achieves a THD of 21.11% for the grid current, indicating its ability to effectively mitigate harmonics and improve power quality. Overall, this research introduces a cutting-edge hybrid DC–DC converter that enhances voltage gain and synchronizes multiple outputs, specifically catering to the requirements of smart grid applications. The findings underscore the converter’s potential to significantly contribute to the advancement of efficient and resilient power conversion technologies for smart grids, enabling seamless integration of renewable energy systems and electric vehicles into the grid.

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Section: 11%mentioning

confidence: 99%

Section: 11%mentioning

confidence: 99%

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A New Smart Grid Hybrid DC–DC Converter with Improved Voltage Gain and Synchronized Multiple Outputs

Mahafzah,

Obeidat,

Mansour

et al. 2024

Applied Sciences

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“…A highly efficient non-coupled inductor-based hybrid Zeta converter with features of reduced components and continuous input current is proposed in [9] that can achieve high voltage gain at low duty cycle. A new non-isolated single switch Zeta converter with high voltage gain and low switch voltage stress is proposed in [10].…”

Section: Highlightsmentioning

confidence: 99%

A Non-isolated Modified Zeta Converter-fed DC Motor under Load Condition

Duraisamy,

Kumar

2024

Braz. arch. biol. technol.

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In this paper, the steady state performance characteristics of a separately excited DC motor fed by a non-isolated positive output DC-DC converter of high voltage gain Zeta topology are presented. The suggested Zeta converter configuration energized by a DC source is operated in continuous inductor current mode. The DC motor is mechanically coupled with a DC generator. The armature voltage and hence the speed of the motor is controlled by varying the duty ratio (k) of the converter for the given converter input voltage and generator-side load resistance. The proposed DC motor speed control scheme is simulated in MATLAB/SIMULINK platform for performance validation. The various performance measures such as torque, speed, armature current, armature voltage, load current, and efficiency for the motor-generator set are explored. The comparison of voltage gain of existing Zeta topologies and the voltage stress calculation are also illustrated.

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“…It has several advantages such as low output current ripple, low input current distortion, wide output-power range, easier compensation, etc. It transforms a direct current supply to a different voltage level [2]. These types of converters are known as power optimizers since they are often utilised to maximise the energy harvest for solar systems as well as wind turbines [3].…”

Section: Introductionmentioning

confidence: 99%

Design of Chaotic Artificial Bee Colony Algorithm Based Fractional Order PID Controller

DurgadeviSRM¹,

Amali²,

Karthik³

2022

Preprint

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Design and implementation of a Chaotic Artificial Bee Colony (ChABC) algorithm based Fractional Order Proportional Integral Derivative (FOPID) controller for Power Factor Correction (PFC) in Switched Mode Power Supply (SMPS) using DC-DC Zeta converter is proposed in this paper. The dc-dc zeta converter has the advantages of high efficiency over a wide range of input and output voltages, an enormous power factor, low line current harmonics, and can convert voltages both up and down. Operating the converter in discontinuous conduction mode (DCM) achieves power factor correction and simplifies the control circuit. This paper describes the design characteristics, operating principles, and controller design of the proposed converter. The design, analysis, modelling and advancement of the ChABC algorithm based FOPID controller in SMPS offers the better power quality and faster convergence of regulated output voltage. Simulation and experimental results are presented to verify power factor, % Total Harmonic Distortion (THD), output voltage regulation, stability, and robustness for various load, line, and reference voltages.

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A Non-Isolated Hybrid Zeta Converter with a High Voltage Gain and Reduced Size of Components

Cited by 9 publications

References 20 publications

A New Smart Grid Hybrid DC–DC Converter with Improved Voltage Gain and Synchronized Multiple Outputs

A New Smart Grid Hybrid DC–DC Converter with Improved Voltage Gain and Synchronized Multiple Outputs

A Non-isolated Modified Zeta Converter-fed DC Motor under Load Condition

Design of Chaotic Artificial Bee Colony Algorithm Based Fractional Order PID Controller

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