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Artykuły w czasopismach na temat „Electric current converters – Computer simulation”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 31 lipca 2025

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1

Kovalova, Yuliia, Victor Kovalov, and Irina Shcherbak. "Reactive Power of Asynchronous Electric Drives with Semiconductor Converters." Lighting engineering and power engineering 60, no. 1 (2021): 9–14. http://dx.doi.org/10.33042/2079-424x.2021.60.1.02.

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The purpose of the article is to obtain a ratio for determining the reactive power of induction motors when powered by semiconductor converters. The task is to determine the dependence of reactive power on control parameters of the converters. The research method used is computer simulation of electric drive based on Fryze power theory for non-sinusoidal currents. The result is the obtained expression for the calculation of reactive power, which takes into account the rated idle current of the motor with sinusoidal power supply and the type of converter, due to introducing special coefficients

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2

Kim, Myoungho, and Hyeok-Jin Yun. "A Basic Design Tool for Grid-Connected AC–DC Converters Using Silcon Carbide MOSFETs." Electronics 12, no. 23 (2023): 4828. http://dx.doi.org/10.3390/electronics12234828.

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The design and optimization of power converters is a key factor in the growth and development of the power electronics field. However, the process of designing a power converter is not straightforward, and engineers often rely on experience and intuition, sometimes requiring time-consuming computer simulations. This paper presents a tool for the basic design of grid-connected AC–DC converters. The design tool takes specifications and operating conditions for two-level and three-level NPC converter topologies and derives a draft design. The tool calculates the input filter’s electrical paramete

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3

ElMenshawy, Mena, and Ahmed Massoud. "Hybrid Multimodule DC-DC Converters for Ultrafast Electric Vehicle Chargers." Energies 13, no. 18 (2020): 4949. http://dx.doi.org/10.3390/en13184949.

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To increase the adoption of electric vehicles (EVs), significant efforts in terms of reducing the charging time are required. Consequently, ultrafast charging (UFC) stations require extensive investigation, particularly considering their higher power level requirements. Accordingly, this paper introduces a hybrid multimodule DC-DC converter-based dual-active bridge (DAB) topology for EV-UFC to achieve high-efficiency and high-power density. The hybrid concept is achieved through employing two different groups of multimodule converters. The first is designed to be in charge of a high fraction o

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4

Van Tung, Le, Dang Ngoc Huy, Do Chi Thanh, and Bui Trung Kien. "IMPROVING THE POWER FACTOR AND REDUCING THE HARMONICS OF THE POWER SUPPLY CURRENT IN THE ELECTRIC DRIVE SYSTEM OF CONVEYORS." Electrical and data processing facilities and systems 18, no. 2 (2022): 63–72. http://dx.doi.org/10.17122/1999-5458-2022-18-2-63-72.

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Relevance Currently, frequency converters with diode rectifiers are very often used in conveyor drive systems. However, frequency converters generate current harmonics, adversely affecting the quality of the network and the durability of electrical equipment. In the electric drive system, the induction motor consumes the reactive power of the source, which causes losses in the network and reduces the power factor at the input of the converter. Therefore, for the electric drive system, it is necessary to analyze methods for improving the power factor and reducing harmonic distortion of the curr

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5

Chuprina, Nikolay, Sergey Sedykh, Aleksandr Pugachev, and Vladimir Maklakov. "SIMULATION OF AC ELECTRIC DRIVE WITH SPACE-VECTOR MODULATION ALGORITHMS." Automation and modeling in design and management, no. 1 (March 17, 2022): 80–88. http://dx.doi.org/10.30987/2658-6436-2022-1-80-88.

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The relevance of investigation of induction motor electric drives with frequency converters having voltage source inverter with space-vector modulation is shown. The brief survey of researches of such matter is carried out. The aim of this article is to develop mathematical and computer model of frequency converter with space-vector modulation algorithms by means of Matlab Simulink, this model has to be implemented into the Matlab models of AC electric drives with induction and synchronous motors. To achieve such an aim, it needs to introduce techniques of electric drive theory, numerical tech

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6

Luqman, Muhammad, Gang Yao, Lidan Zhou, Tao Zhang, and Anil Lamichhane. "A Novel Hybrid Converter Proposed for Multi-MW Wind Generator for Offshore Applications." Energies 12, no. 21 (2019): 4167. http://dx.doi.org/10.3390/en12214167.

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Modern multi-MW wind generators have used multi-level converter structures as well as parallel configuration of a back to back three-level neutral point clamped (3L-NPC) converters to reduce the voltage and current stress on the semiconductor devices. These configurations of converters for offshore wind energy conversion applications results in high cost, low power density, and complex control circuitry. Moreover, a large number of power devices being used by former topologies results in an expensive and inefficient system. In this paper, a novel bi-directional three-phase hybrid converter tha

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7

Mei, Zhiting, Jingyang Fang, and Stefan Goetz. "Control and Optimization of Lattice Converters." Electronics 11, no. 4 (2022): 594. http://dx.doi.org/10.3390/electronics11040594.

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Multilevel converters continue their upward trend in renewable generation, electric vehicles, and power quality conditioning applications. Despite having satisfactory voltage capabilities, mainstream multilevel converters suffer from poor current sharing performances, thereby leading to the development of lattice converters, i.e., a strong and versatile type of future multilevel power converters. This article addresses two problems faced by lattice converters. First, we propose and detail how to optimize the efficiency of a given lattice converter by controlling the on/off states of H-bridge s

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8

Barsana Banu, J., and M. Balasingh Moses. "Modeling, control, and implementation of the soft switching dc-dc converter for battery charging/discharging applications." International Journal of Engineering & Technology 7, no. 1.3 (2017): 104. http://dx.doi.org/10.14419/ijet.v7i1.3.9667.

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This paper presents a soft switching bidirectional buck-boost converter for battery charging and discharging systems. The proposed method comprises of Inductance Capacitance Diode combination of the bidirectional dc-dc converter with one more electric switch is presented to accomplish high efficiency, high conversion ratio and maximum output power compared to the other bidirectional converters. It works in both steps up and steps down conversions. The proposed converter has alleviated the switching stress problems in the conventional bidirectional dc-dc converter. It suppresses the switching l

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9

Mahafzah, Khaled A., Mohammad A. Obeidat, Ayman Mansour, Eleonora Riva Sanseverino, and Gaetano Zizzo. "A New Smart Grid Hybrid DC–DC Converter with Improved Voltage Gain and Synchronized Multiple Outputs." Applied Sciences 14, no. 6 (2024): 2274. http://dx.doi.org/10.3390/app14062274.

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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 vol

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10

Barcellona, Simone, Marzio Barresi, and Luigi Piegari. "MMC-Based PV Single-Phase System with Distributed MPPT." Energies 13, no. 15 (2020): 3964. http://dx.doi.org/10.3390/en13153964.

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The presence and evolution of static power converters in electric grids are growing on a daily basis. Starting from the most used voltage source converter (VSC), passing through the use of multilevel converters, the most recent configuration is the so-called modular multilevel converter (MMC). Because of its intrinsic advantages, it is used not only in high-voltage systems but also in low- and medium-voltage ones to interface renewable energy sources such as photovoltaic (PV) panels. Several configurations and maximum power point tracker (MPPT) algorithms have been proposed and analyzed for MM

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11

Shtessel, Yuri B., Malek Ghanes, and Roshini S. Ashok. "Hydrogen Fuel Cell and Ultracapacitor Based Electric Power System Sliding Mode Control: Electric Vehicle Application." Energies 13, no. 11 (2020): 2798. http://dx.doi.org/10.3390/en13112798.

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Control of a perturbed electric power system comprised of a hydrogen fuel cell (HFC), boost and boost/buck DC–DC power converters, and the ultra-capacitor (UC) is considered within an electric vehicle application. A relative degree approach was applied to control the servomotor speed, which is the main controllable load of the electric car. This control is achieved in the presence of the torque disturbances via directly controlling the armature voltage. The direct voltage control was accomplished by controlling the HFC voltage and the UC current in the presence of the model uncertainties. Cont

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12

Surya, Sumukh, and Sheldon Williamson. "Generalized Circuit Averaging Technique for Two-Switch PWM DC-DC Converters in CCM." Electronics 10, no. 4 (2021): 392. http://dx.doi.org/10.3390/electronics10040392.

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Design of DC-DC converters like Cuk and SEPIC, which are fourth-order converters, play a vital role in the design of electric vehicle (EV) charging systems and drivers for LED. These converters possess a unique feature of input current being continuous due to the presence of an inductor in series with the supply voltage. In the present work, a generalized approach for obtaining the frequency response of the transfer function of the duty cycle to output voltage (Gvd) for converters operating in continuous conduction mode (CCM) having two switches is proposed. A practical Cuk converter and SEPIC

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13

Jeong, Jaeyoon, Sangshin Kwak, and Seungdeog Choi. "Degradation-Sensitive Control Algorithm Based on Phase Optimization for Interleaved DC–DC Converters." Machines 11, no. 6 (2023): 624. http://dx.doi.org/10.3390/machines11060624.

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As the use of interleaved DC–DC converters in electric vehicles (EVs) increases, research on reliability improvement is required. In the case of interleaved DC–DC converters, degradation occurs between transistors and capacitors. In particular, transistor degradation imbalances cause an increase in output capacitor RMS current, which increases power loss and accelerates capacitor degradation. This degradation affects system reliability by increasing thermal stress. In this paper, based on a degraded 2-leg interleaved DC–DC boost converter, research to reduce the converter’s output capacitor RM

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14

Shebani, Muamer M., Tariq Iqbal, and John E. Quaicoe. "Modified Droop Method Based on Master Current Control for Parallel-Connected DC-DC Boost Converters." Journal of Electrical and Computer Engineering 2018 (July 17, 2018): 1–14. http://dx.doi.org/10.1155/2018/9819787.

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Load current sharing between parallel-connected DC-DC boost converters is very important for system reliability. This paper proposes a modified droop method based on master current control for parallel-connected DC-DC boost converters. The modified droop method uses an algorithm for parallel-connected DC-DC boost converters to adaptively adjust the reference voltage for each converter according to the load regulation characteristics of the droop method. Unlike the conventional droop method, the current feedback signal (master current) for one of the parallel-connected converters is used in the

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15

Robles, Endika, Markel Fernandez, Edorta Ibarra, Jon Andreu, and Iñigo Kortabarria. "Mitigation of Common Mode Voltage Issues in Electric Vehicle Drive Systems by Means of an Alternative AC-Decoupling Power Converter Topology." Energies 12, no. 17 (2019): 3349. http://dx.doi.org/10.3390/en12173349.

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Electric vehicles (EV) are gaining popularity due to current environmental concerns. The electric drive, which is constituted by a power converter and an electric machine, is one of the main elements of the EV. Such machines suffer from common mode voltage (CMV) effects. The CMV introduces leakage currents through the bearings, leading to premature failures and reducing the propulsion system life cycles. As future EV power converters will rely on wide bandgap semiconductors with high switching frequency operation, CMV problems will become more prevalent, making the research on CMV mitigation s

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16

Mehida, Hicham, Abdennacer Aboubou, and Mohamed Yacine Ayad. "Reliability improvement of multi-phase interleaved DC-DC converters for fuel cell electric vehicle applications." Bulletin of Electrical Engineering and Informatics 12, no. 5 (2023): 2553–60. http://dx.doi.org/10.11591/eei.v12i5.4674.

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This paper suggests a fast and low-cost method that can be applied in several DC/DC converter topologies for detecting open circuit faults (OCFs) and short circuit faults (SCFs). The suggested method may identify the faults of several power switches even if they occur simultaneously in multi-phase interleaved boost converters (MPh-IBC) by using just the sensors needed to control the converter. This fault detection method (FDM) is based mainly on comparing the measured inductor current and two fault detection thresholds, one for OCFs detection and the other for SCFs detection. This method combi

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17

Kiran, Nagulapati. "Sliding Mode Control of Buck Converter." Bulletin of Electrical Engineering and Informatics 3, no. 1 (2014): 37–44. http://dx.doi.org/10.11591/eei.v3i1.183.

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DC-DC converters are used to convert DC voltage from one level to other. These converters are drastically used in industry as well as in research. One of the main limitations of these converters is unregulated supply of voltage and current. To overcome these problems there are various control techniques. This paper presents two such methods. This paper compares dynamic performance of buck Converter using PID controller and Sliding mode controller. Simulation of PI and Sliding mode control of Buck Converter is carried out in MATLAB SIMULINK.

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18

Shajith Ali, U. "A Modified Maximum Power Point Tracking Control for Bi-Directional Z-Source DC-DC Converter Based Solar Electric Vehicle." Applied Mechanics and Materials 787 (August 2015): 828–32. http://dx.doi.org/10.4028/www.scientific.net/amm.787.828.

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A solar electric vehicle is powered by photovoltaic arrays which allow for direct conversion of solar energy into electrical energy. Since space and weight are very limited with any vehicle, it is desired that the maximum possible amount of energy be obtained from the employed photovoltaic arrays. Every photovoltaic array has an optimum operating point, called the maximum power point (MPP), which varies depending on cell temperature and solar insolation level. This paper is focussed to find the mechanism best suited for employment in a moving vehicle to optimally track this point of maximum ef

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19

Darwish, Ahmed. "A Modular Step-Up DC/DC Converter for Electric Vehicles." Energies 17, no. 24 (2024): 6305. https://doi.org/10.3390/en17246305.

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A step-up DC/DC converter is required to match the fuel cell’s stack voltage with the DC-link capacitor of the propulsion system in fuel cell-based electric vehicles (FCEVs). Typically, the nominal voltage of a single fuel cell ranges from 0.5 V to 1 V, and the DC-link voltage usually lies between 400 V and 800 V. This article proposes a new modular step-up DC/DC converter capable of providing a wide voltage-boosting range from the input to the output side using series-connected isolated boosting submodules (SMs). Modified versions of boost and Cuk converters are designed and used as the SMs t

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20

Purna Chandra Rao, Podila, Radhakrishnan Anandhakumar, and L. Shanmukha Rao. "Analysis of a novel soft switching bidirectional DC-DC converter for electric vehicle." Bulletin of Electrical Engineering and Informatics 12, no. 5 (2023): 2665–72. http://dx.doi.org/10.11591/eei.v12i5.4505.

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A bidirectional converter (BDC) designed with high voltage gain and it is incorporated with the soft-switching operations to the insulated gate bipolar transistors (IGBTs). The main dual operating characteristics of this converter are boost and buck modes respectively. In order to achieve the reduced switching losses and improved efficiency, the main IGBTs are operated at zero current (ZC) while the IGBTs commutating from turn-on to turn-off state. The ZC turn-off operation is obtained with the aid of soft- switched cell, which consists of resonant inductor (Lr), capacitor and additional IGBTs

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21

Jin, Ning-Zhi, Yu Feng, Ze-Yu Chen, and Xiao-Gang Wu. "Bidirectional CLLLC Resonant Converter Based on Frequency-Conversion and Phase-Shift Hybrid Control." Electronics 12, no. 7 (2023): 1605. http://dx.doi.org/10.3390/electronics12071605.

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Due to the symmetrical structure, consistent working characteristics in the forward and reverse operations, and good soft-switching characteristics, bidirectional CLLLC resonant converters are widely used in electric vehicles and other fields. To meet the requirements of the on-board charger, this paper uses a bidirectional CLLLC resonant converter as the rear-stage of the on-board charger. The converter uses a constant voltage and constant current control in the forward operation and voltage and current double-closed-loop control in the reverse operation. Aiming at the problem whereby the vol

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Gholizadeh, Hossein, and Lazhar Ben-Brahim. "A New Non-Isolated High-Gain Single-Switch DC–DC Converter Topology with a Continuous Input Current." Electronics 11, no. 18 (2022): 2900. http://dx.doi.org/10.3390/electronics11182900.

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An ultra-high step-up, non-isolated DC–DC converter with a continuous input current was developed as a result of this research. This converter’s architecture consists of a voltage multiplier cell (VMC), a positive output super lift Luo converter (POSLLC), and a quadratic boost converter (QBS) (also referred to as a cascaded boost topology (CBT)). Thus, the bold points of the topologies mentioned earlier enhance the voltage gain of the proposed topology. It is important to note that when the duty cycle is at 50%, the converter attains a voltage gain of ten. Additionally, the constant input curr

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23

Shebani, Muamer M., M. Tariq Iqbal, and John E. Quaicoe. "Control Algorithm for Equal Current Sharing between Parallel-Connected Boost Converters in a DC Microgrid." Journal of Electrical and Computer Engineering 2020 (March 12, 2020): 1–11. http://dx.doi.org/10.1155/2020/6876317.

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DC microgrids are gaining more attention compared to AC microgrids due to their high efficiency and uncomplicated interconnection of renewable sources. In standalone DC microgrid, parallel-connected converters connect the storage system to the load. To achieve equal current sharing among parallel converters, several methods have been presented, but they vary in their current sharing performance, complexity, cost, and reliability. In DC microgrid, the conventional droop control method is preferred because it is more competitive in terms of cost, suitability, and reliability compared to the mast

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24

Fang, Jingyang. "Unified Graph Theory-Based Modeling and Control Methodology of Lattice Converters." Electronics 10, no. 17 (2021): 2146. http://dx.doi.org/10.3390/electronics10172146.

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Lattice converters combine the merits of both cascaded-bridge converters and multi-paralleled converters, leading to infinitely large current and voltage capabilities with modularity and scalability as well as small passive components. However, lattice converters suffer from complexity, which poses a serious threat to their widespread adoption. By use of graph theory, this article proposes a unified modeling and control methodology for various lattice converters, resulting in the satisfaction of their key control objectives, including selected inputs/outputs, desired voltages, current sharing,

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M'barki, Zakaria, Kaoutar Senhaji Rhazi, and Youssef Mejdoub. "A novel fuzzy logic control for a zero current switching-based buck converter to mitigate conducted electromagnetic interference." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (2023): 1423. http://dx.doi.org/10.11591/ijece.v13i2.pp1423-1436.

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<span lang="EN-US">This research provides a new control technique for mitigating conducted electromagnetic interference (EMI) in a buck converter designed for solar applications. Indeed, hard-switching direct current to direct current (DC-DC) converters, commonly used in industrial applications, pose a significant risk to the surrounding environment regarding electromagnetic compatibility (EMC). Usually, the fast-switching phase induces abrupt changes in current and voltage, which adds to substantial electromagnetic interference in both conducted and radiated modes and excessive auditory

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Wang, Longxiang, Wenguang Luo, and Dan Huang. "Research on Automotive Bidirectional CLLC Resonant Converters Based on High-Order Sliding Mode Control." Electronics 11, no. 18 (2022): 2874. http://dx.doi.org/10.3390/electronics11182874.

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A CLLC resonant converter’s gain is easily influenced by the operating frequency, and when the operating frequency is adjusted over a wide range, the efficiency of the converter is greatly reduced. Traditional closed-loop control strategies also have disadvantages such as slow dynamic response and vulnerability to load. In this paper, a high-order sliding mode control (SMC) design method is proposed based on the current problems and the characteristics of automotive CLLC resonant converters. A sliding mode surface based on the output voltage characteristics of the CLLC converter includes highe

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V., MOCANU. "A survey of harmonics in power systems of ships with electrical propulsion drives." Scientific Bulletin of Naval Academy XXIV, no. 1 (2021): 167–72. http://dx.doi.org/10.21279/1454-864x-21-i1-020.

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The number of commercial ships with electric propulsion is in continuous increase due to their versatility and fuel efficiency. Total harmonic distortion consequences on marine electrical power systems will be discussed. This paper aims to highlight the need for harmonic filter implementation on electric propulsion with static converters. For this study, a simulation in Matlab Simulink will reveal the effect of electrical filters on THD and voltage end current waveforms.

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Barrero-González, Fermín, María Isabel Milanés-Montero, Eva González-Romera, Enrique Romero-Cadaval, and Carlos Roncero-Clemente. "Control Strategy for Electric Vehicle Charging Station Power Converters with Active Functions." Energies 12, no. 20 (2019): 3971. http://dx.doi.org/10.3390/en12203971.

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Based on the assumption that vehicles served by petrol stations will be replaced by Electric Vehicles (EV) in the future, EV public charging station facilities, with off-board fast chargers, will be progressively built. The power demand of these installations is expected to cause great impact on the grid, not only in terms of peak power demanded but also in terms of power quality, because most battery chargers behave as non-linear loads. This paper presents the proposal of a novel comprehensive global control strategy for the power electronic converters associated with bidirectional three-phas

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Abdelrahem, Mohamed, José Rodríguez, and Ralph Kennel. "Improved Direct Model Predictive Control for Grid-Connected Power Converters." Energies 13, no. 10 (2020): 2597. http://dx.doi.org/10.3390/en13102597.

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This paper proposes a computationally efficient and robust direct model predictive control (DMPC) technique with enhanced steady-state performance for power converters tied to the electric utility. The discrete space vector modulation (DSVM) method is considered in the design of the suggested DMPC, where virtual voltage vectors (VVs) besides the real ones are utilized for improving the steady-state response of the proposed controller. Furthermore, for averting the high computational burden and making the proposed control technique simple, a deadbeat (DB) function is employed for calculating th

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Kuzyk, Rostyslav-Ivan V., and Ihor Z. Shchur. "Mode decomposed passivity-based speed control of DC drive with bidirectional Zeta-SEPIC DC-DC converter for light electric vehicles." Herald of Advanced Information Technology 7, no. 1 (2024): 71–84. http://dx.doi.org/10.15276/hait.07.2024.6.

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Currently, light electric vehicles are rapidly developing in various kinds. To power these vehicles with batteries, the simplest electric drive system is a DC motor controlled by a DC-DC converter. This work utilizes a bidirectional Zeta-SEPIC DC-DC converter with an integrated DC motor. This implementation enables control of motor speed and torque in traction and regenerative braking modes. Additionally, it allows for the use of a lower voltage battery compared to the motor's rated voltage, reducing battery weight and increasing safety. In this work, a decomposition approach is applied. Two s

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Billy, Ibraheem Jawad, and Jasim Farhood Hussein. "Design high voltage gain DC converter based on maximum power point resistance for photovoltaic applications." Bulletin of Electrical Engineering and Informatics 12, no. 4 (2023): 2017–31. http://dx.doi.org/10.11591/beei.v12i4.4616.

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Due to the nonlinear properties of photovoltaic (PV) modules, the design of the high-gain direct current (DC) converter for maximum power point tracking (MPPT) is complicated. In this paper, the design of a new step-up DC converter for MPPT applications is proposed. The proposed converter is structured of two symmetrical reverse-parallel DC-DC boost converters. This structure is supported by voltage multiplier cells equipped to increase output voltage and decrease voltage stress on semiconductor switches. To simplify the high-gain DC converter design, the PV module's maximum power point is tre

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Billy, Ibraheem Jawad, and Jasim Farhood Hussein. "Design high voltage gain DC converter based on maximum power point resistance for photovoltaic applications." Bulletin of Electrical Engineering and Informatics 12, no. 4 (2023): 2017–31. http://dx.doi.org/10.11591/eei.v12i4.4616.

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Due to the nonlinear properties of photovoltaic (PV) modules, the design of the high-gain direct current (DC) converter for maximum power point tracking (MPPT) is complicated. In this paper, the design of a new step-up DC converter for MPPT applications is proposed. The proposed converter is structured of two symmetrical reverse-parallel DC-DC boost converters. This structure is supported by voltage multiplier cells equipped to increase output voltage and decrease voltage stress on semiconductor switches. To simplify the high-gain DC converter design, the PV module's maximum power point is tre

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Tavarov, Saidjon, Mihail Senyuk, Murodbek Safaraliev, Sergey Kokin, Alexander Tavlintsev, and Andrey Svyatykh. "Model of semiconductor converters for the simulation of an asymmetric loads in an autonomous power supply system." International Journal of Electrical and Computer Engineering (IJECE) 15, no. 2 (2025): 1332. https://doi.org/10.11591/ijece.v15i2.pp1332-1347.

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This article is devoted to the development of computer model with semiconductor converters for the simulation of asymmetric loads allowing to solve the voltage symmetry problems under asymmetric loads (active and active-inductive) for isolated electric networks with renewable energy sources (mini hydroelectric power plants). A model of a symmetry device has been developed in the MATLAB/Simulink environment based on a proportional-integral controller and a relay controller - P. The effectiveness of their use depends on the load's nature. The implementation of a voltage converter is presented co

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Rodič, Miran, Miro Milanovič, and Mitja Truntič. "Digital Control of an Interleaving Operated Buck-Boost Synchronous Converter Used in a Low-Cost Testing System for an Automotive Powertrain." Energies 11, no. 9 (2018): 2290. http://dx.doi.org/10.3390/en11092290.

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Based on the standardization in the automotive industry, systems require extensive testing, which represents significant costs regarding personnel and equipment. The testing systems must be built in such a way that a bidirectional power flow is possible between the power source and the tested system. Additionally, applied testing systems have to possess high disturbance immunity. Classical current programmed control performed using an analogue approach suffers from low disturbance rejection during switching operation. The digital control of DC–DC converter can solve this problem with the use o

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Hossain Lipu, Molla Shahadat, Md Sazal Miah, Shaheer Ansari, et al. "Power Electronics Converter Technology Integrated Energy Storage Management in Electric Vehicles: Emerging Trends, Analytical Assessment and Future Research Opportunities." Electronics 11, no. 4 (2022): 562. http://dx.doi.org/10.3390/electronics11040562.

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Globally, the research on electric vehicles (EVs) has become increasingly popular due to their capacity to reduce carbon emissions and global warming impacts. The effectiveness of EVs depends on appropriate functionality and management of battery energy storage. Nevertheless, the battery energy storage in EVs provides an unregulated, unstable power supply and has significant voltage drops. To address these concerns, power electronics converter technology in EVs is necessary to achieve a stable and reliable power transmission. Although various EV converters provide significant contributions, th

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Vasilyev, Vladislav, and Alexey Tsaplyn. "PULSE VOLTAGE CONVERTER APPLICATION FOR COMPENSATING THE CHARACTERISTICS OF SELF-GENERATED POWER SUPPLY OF AN ELECTRIC STOCK." Bulletin of scientific research results, no. 4 (December 17, 2017): 92–100. http://dx.doi.org/10.20295/2223-9987-2017-4-92-100.

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Objective: To improve energy efficiency of self-generated power supply usage on an electric stock, by means of pulse converter application. Methods: Calculation methods of electric lines, as well as simulation modeling with Matlab software programs and Simulink library package application were used. Results: A circuitry was offered, making it possible to extend the limits of self-generated power sources on an electric stock. A simulation computer program was developed in accordance with the suggested pulse converter circuit, providing an opportunity to study transient processes of tractive mot

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D’Agostino, Fabio, Daniele Kaza, Michele Martelli, Giacomo-Piero Schiapparelli, Federico Silvestro, and Carlo Soldano. "Development of a Multiphysics Real-Time Simulator for Model-Based Design of a DC Shipboard Microgrid." Energies 13, no. 14 (2020): 3580. http://dx.doi.org/10.3390/en13143580.

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Recent and strict regulations in the maritime sector regarding exhaust gas emissions has led to an evolution of shipboard systems with a progressive increase of complexity, from the early utilization of electric propulsion to the realization of an integrated shipboard power system organized as a microgrid. Therefore, novel approaches, such as the model-based design, start to be experimented by industries to obtain multiphysics models able to study the impact of different designing solutions. In this context, this paper illustrates in detail the development of a multiphysics simulation framewor

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Gonçalves de Oliveira, Janaína, and Hans Bernhoff. "Battery Recharging Issue for a Two-Power-Level Flywheel System." Journal of Electrical and Computer Engineering 2010 (2010): 1–5. http://dx.doi.org/10.1155/2010/470525.

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A novel battery recharging system for an all-electric driveline comprising a flywheel with a permanent magnet double wound synchronous machine (motor/generator) is presented. The double winding enables two voltage levels and two different power levels. This topology supersedes other all-electric drivelines. The battery operates in a low-power regime supplying the average power whereas the flywheel delivers and absorbs power peaks, which are up to a higher order of magnitude. The topology presents new challenges for the power conversion system, which is the focus of this investigation. The main

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V, Dobref. "Total Harmonic Distortion Factor Evaluation in Shipboard Electrical Networks." Scientific Bulletin of Naval Academy XXI, no. 2 (2018): 61–67. http://dx.doi.org/10.21279/1454-864x-18-i2-006.

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Electric propulsion systems for modern civil and military ships, as well as the growing number of electric consumers on board, are a topical issue in terms of onboard electric power quality. In this respect, a growing number of high power static converters are used, which inevitably leads to the appearance, in the electricity distribution network, of voltage and current harmonics with very high weights. Through this work, the authors made a study of these harmonics for two classical cases encountered aboard a ship, namely a nonlinear consumer and a consumer powered by a static six-pulse conver

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Jeetender Vemula, Et al. "Closed Loop Control of DSMST Converter for Ev Applications." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 10 (2023): 2518–26. http://dx.doi.org/10.17762/ijritcc.v11i10.9391.

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Transformerless step-down and step-up DC-DC topologies are currently extensively employed in a variety of applications. A positive output voltage SEPIC-type DC-DC converter without a transformer is proposed in this article. This configuration has the benefit of input continuous current over the traditional buck-boost converter, making it better suited for use with electric vehicles. Moreover, it has an increase in gain that is quadratic of the voltage gain of a standard topology. Also, the suggested converter has a constant current output, which decreases the output voltage ripple and reduces

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Tavarov, Saidjon, Mihail Senyuk, Murodbek Safaraliev, Sergey Kokin, Alexander Tavlintsev, and Andrey Svyatykh. "Model of semiconductor converters for the simulation of an asymmetric loads in an autonomous power supply system." International Journal of Electrical and Computer Engineering (IJECE) 15, no. 2 (2025): 1332–47. https://doi.org/10.11591/ijece.v15i2.pp1332-1347.

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This article is devoted to the development of computer model with semiconductor converters for the simulation of asymmetric loads allowing to solve the voltage symmetry problems under asymmetric loads (active and active-inductive) for isolated electric networks with renewable energy sources (mini hydroelectric power plants). A model of a symmetry device has been developed in the MATLAB/Simulink environment based on a proportional-integral controller and a relay controller - P. The effectiveness of their use depends on the load's nature. The implementation of

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Zaid, Mohammad, Ifham H. Malick, Imtiaz Ashraf, Mohd Tariq, Basem Alamri, and Eduardo M. G. Rodrigues. "A Nonisolated Transformerless High-Gain DC–DC Converter for Renewable Energy Applications." Electronics 11, no. 13 (2022): 2014. http://dx.doi.org/10.3390/electronics11132014.

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Dc–dc converters with a high gain, continuous input current, and common ground are usually employed in renewable energy applications to boost the generated output voltage of renewable energy sources. In this paper, a high-gain dc–dc converter comprising a voltage multiplier cell (VMC) and a common ground with continuous input current and low-voltage stress across semiconductor devices is proposed. The converter produces a voltage gain of about ten times compared to the conventional boost converter at a duty ratio of 50% by utilizing switched capacitors and switched inductors. The simultaneous

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Eleodoro, Osmar Felipe Alves, Vitor Fonseca Barbosa, Gustavo B. Lima, and Luiz Carlos Gomes Freitas. "Analysis of SiC and SiC-Cascode MOSFET in the design of power electronics converters for more electric aircrafts." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 4 (2022): 1951. http://dx.doi.org/10.11591/ijpeds.v13.i4.pp1951-1965.

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<span>Wideband gap (WBG) semiconductors have developed rapidly in recent years, enabling greater efficiency and power density in the design of power electronics converters for several areas of application. In this sense, this work analyzes the efficiency and specificities of silicon carbide (SiC) technologies and their cascode topology (SiC-Cascode), operating at high switching frequencies. The analyzes are performed using a Boost converter designed for conversion systems in the more-electric aircraft (MEA) context, where the alternating current (AC) power systems can operate at fixed fr

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Osmar, Felipe Alves Eleodoro, Fonseca Barbosa Vitor, B. Lima Gustavo, and Carlos Gomes Freitas Luiz. "Analysis of SiC and SiC-Cascode MOSFET in the design of power electronics converters for more electric aircrafts." International Journal of Power Electronics and Drive Systems 13, no. 12 (2022): 1951~1965. https://doi.org/10.11591/ijpeds.v13.i4.pp1951-1965.

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Wideband gap (WBG) semiconductors have developed rapidly in recent years, enabling greater efficiency and power density in the design of power electronics converters for several areas of application. In this sense, this work analyzes the efficiency and specificities of silicon carbide (SiC) technologies and their cascode topology (SiC-Cascode), operating at high switching frequencies. The analyzes are performed using a Boost converter designed for conversion systems in the more-electric aircraft (MEA) context, where the alternating current (AC) power systems can operate at fixed frequency (115

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Bhavani, Somasundaram, and Arumugam Sivaprakasam. "Dual Mode Symmetrical Proportional Resonant Controlled Quadratic Boost Converter for PMSM-Drive." Symmetry 15, no. 1 (2023): 147. http://dx.doi.org/10.3390/sym15010147.

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Power electronics-based converters have been widely used in several applications, specifically electric propulsion systems. Ongoing advancements in converters have led to high-gain Quadratic Boost Converters (QBC) which control Permanent Magnet Synchronous Motor (PMSM) drive. In this work, a novel scheme is employed, particularly a three-phase inverter between QBC and PMSM operated by a dual-mode controller strategy. Precisely, the novelty of this work is to use the quadratic boost converter to control the PMSM drive by applying different control strategies. This work also demonstrates the sim

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Rohten, Jaime A., David N. Dewar, Pericle Zanchetta, et al. "Multivariable Deadbeat Control of Power Electronics Converters with Fast Dynamic Response and Fixed Switching Frequency." Energies 14, no. 2 (2021): 313. http://dx.doi.org/10.3390/en14020313.

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Power converters have turned into a critical and every-day solution for electric power systems. In fact, the incorporation of renewable energies has led towards the constant improvement of power converter topologies and their controls. In this context, over the last 10 years, model predictive control (MPC) is positioned as one the most studied and promising alternatives for power converter control. In voltage source inverters (VSI), MPC has only been applied in the inner current control loop, accelerating and improving its dynamic response, but as mentioned, has been limited only to the curren

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Baraniak, Joanna, and Jacek Starzyński. "Modeling the Impact of Electric Vehicle Charging Systems on Electric Power Quality." Energies 13, no. 15 (2020): 3951. http://dx.doi.org/10.3390/en13153951.

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Recently, there has been dynamic development of electromobility. This trend is predicted to grow exponentially, which will contribute to the creation of an extensive infrastructure of electric car charging points. For distribution network operators, this implies that in addition to the increase in demand for power and electricity, the number of converter systems connected to their networks will also increase. It is therefore necessary to determine the potential impact of electric vehicle charging systems on electricity quality. To this end, the authors of the present study developed simulation

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Snehalika, Snehalika, Ranjeeta Patel, and Chinmoy Kumar Panigrahi. "Performance analysis of GaN based dual active bridge converter for electric vehicle charging application." Indonesian Journal of Electrical Engineering and Computer Science 33, no. 1 (2024): 53. http://dx.doi.org/10.11591/ijeecs.v33.i1.pp53-62.

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<p><span>The research work proposes a Gallium Nitride (GaN) based dual active bridge (DAB) converter for electric vehicle (EV) charging applications. The wide bandgap semiconductor device, GaN is implemented in the DAB topology of an Isolated Bidirectional DC-DC converter (IBDC). GaN-based DC-DC converters lead to higher efficiency, smaller size, faster charging, and reduced heat generation improving the overall performance of the EV charging system. The performance characteristics of GaN based DAB converter is analyzed both in simulation and hardware for EV charging application. T

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Frivaldsky, Michal, Jan Morgos, Michal Prazenica, and Kristian Takacs. "System Level Simulation of Microgrid Power Electronic Systems." Electronics 10, no. 6 (2021): 644. http://dx.doi.org/10.3390/electronics10060644.

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In this paper, we describe a procedure for designing an accurate simulation model using a price-wised linear approach referred to as the power semiconductor converters of a DC microgrid concept. Initially, the selection of topologies of individual power stage blocs are identified. Due to the requirements for verifying the accuracy of the simulation model, physical samples of power converters are realized with a power ratio of 1:10. The focus was on optimization of operational parameters such as real-time behavior (variable waveforms within a time domain), efficiency, and the voltage/current ri

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Gaddameedhi, Sravanthy, and P. Srinivas. "A novel fuzzy based controller to reduce circulating currents in parallel interleaved converter connected to the grid." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 2 (2021): 1130. http://dx.doi.org/10.11591/ijece.v11i2.pp1130-1142.

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This paper exhibits suppression strategy of low frequency circulating current components for parallel inter-leaved converters. Here inverters are parallelized by magnetically coupled inductors. Traditionally, carrier interleaved technique was used to get lower distorted output voltage, but it gives a higher circulating currents to flow through the Two-VSC‘s. The mutual inductance of the coupled inductors (CI) is utilized for minimizing circulating currents of high frequency components. Nevertheless, CI can‘t have capability to riddle the components generated by low frequency. When these circul

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