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Автор: Grafiati

Опубліковано: 14 березня 2023

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1

Singh, Bhim, and Piyush Kant. "A 40-Pulse Multiphase Staggering Modular Transformer With Power Quality Improvement in Multilevel Inverter Fed Medium-Voltage Induction Motor Drives." IEEE Transactions on Industry Applications 55, no. 6 (November 2019): 7822–32. http://dx.doi.org/10.1109/tia.2019.2933622.

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2

Daoud, Mohamed I., Ahmed A. Elserougi, Ahmed M. Massoud, Radu Bojoi, Ayman S. Abdel-Khalik, and Shehab Ahmed. "Zero-/Low-Speed Operation of Multiphase Drive Systems With Modular Multilevel Converters." IEEE Access 7 (2019): 14353–65. http://dx.doi.org/10.1109/access.2019.2893526.

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3

K. Hannan, Ahmed, and Turki K. Hassan. "HYBRID MODULAR MULTILEVEL CONVERTER FOR VECTOR-CONTROLLED INDUCTION MOTOR DRIVE." Journal of Engineering and Sustainable Development 24, special (August 1, 2020): 143–54. http://dx.doi.org/10.31272/jeasd.conf.1.16.

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4

Kapoor, Preeti V., and Mohan M. Renge. "Improved Performance of Modular Multilevel Converter for Induction Motor Drive." Energy Procedia 117 (June 2017): 361–68. http://dx.doi.org/10.1016/j.egypro.2017.05.146.

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5

Du, Sixing, Bin Wu, Navid R. Zargari, and Zhongyuan Cheng. "A Flying-Capacitor Modular Multilevel Converter for Medium-Voltage Motor Drive." IEEE Transactions on Power Electronics 32, no. 3 (March 2017): 2081–89. http://dx.doi.org/10.1109/tpel.2016.2565510.

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6

Hagiwara, Makoto, Kazutoshi Nishimura, and Hirofumi Akagi. "A Medium-Voltage Motor Drive With a Modular Multilevel PWM Inverter." IEEE Transactions on Power Electronics 25, no. 7 (July 2010): 1786–99. http://dx.doi.org/10.1109/tpel.2010.2042303.

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7

Chandran, Santhi Rama, and Srinivasan Anandhan. "Hybrid Bidirectional Multilevel Inverter Structures for Induction Motor Drive." International Journal of Mathematical Models and Methods in Applied Sciences 16 (June 25, 2022): 124–33. http://dx.doi.org/10.46300/9101.2022.16.21.

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Анотація:

Multilevel inverters performance enhancement is a major topic which has attracted the attention of most of the researchers, to evolve with newer topologies and modulation strategies. In this manuscript two novel hybrid bidirectional multilevel inverter structures which are suitable for bidirectional loads are proposed. An enhancement in the voltage levels and reduction of the component count are achieved for these newly introduced structures. Modular expansion and series cascading are suggested systems for extension of the voltage levels.The prime requirement in most of the industrial drives is a controlled output. VSI fed Induction motor drive satisfies this requirement. The Multicarrier PWM technique has been applied to the basic bidirectional seven level models and nine level model and its performance with induction motor as load has been analyzed for various modulation indices. The simulated results of the proposed structures are verified using MATLAB/SIMULINK platform. The characteristics such as stator current, rotor current speed and torque plots achieved as above model affirm that its performance is good.

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8

Du, Sixing, Bin Wu, and Navid Zargari. "Delta-Channel Modular Multilevel Converter for a Variable-Speed Motor Drive Application." IEEE Transactions on Industrial Electronics 65, no. 8 (August 2018): 6131–39. http://dx.doi.org/10.1109/tie.2018.2793212.

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9

Gontijo, Gustavo, Songda Wang, Tamas Kerekes, and Remus Teodorescu. "New AC–AC Modular Multilevel Converter Solution for Medium-Voltage Machine-Drive Applications: Modular Multilevel Series Converter." Energies 13, no. 14 (July 16, 2020): 3664. http://dx.doi.org/10.3390/en13143664.

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Due to its scalability, reliability, high power quality and flexibility, the modular multilevel converter is the standard solution for high-power high-voltage applications in which an AC–DC–AC connection is required such as high-voltage direct-current transmission systems. However, this converter presents some undesired features from both structural and operational perspectives. For example, it presents a high number of components, which results in high costs, size, weight and conduction losses. Moreover, the modular multilevel converter presents problems dealing with DC-side faults, with unbalanced grid conditions, and many internal control loops are required for its proper operation. In variable-frequency operation, the modular multilevel converter presents some serious limitations. The most critical are the high-voltage ripples, in the submodule capacitors, at low frequencies. Thus, many different AC–AC converter solutions, with modular multilevel structure, have been proposed as alternatives for high-power machine-drive applications such as offshore wind turbines, pumped-hydro-storage systems and industrial motor drives. These converters present their own drawbacks mostly related to control complexity, operational limitations, size and weight. This paper introduces an entirely new medium-voltage AC–AC modular multilevel converter solution with many operational and structural advantages in comparison to the modular multilevel converter and other alternative topologies. The proposed converter presents high performance at low frequencies, regarding the amplitude of the voltage ripples in the submodule capacitors, which could make it very suitable for machine-drive applications. In this paper, an analytical description of the voltage ripples in the submodule capacitors is proposed, which proves the high performance of the converter under low-frequency operation. Moreover, the proposed converter presents high performance under unbalanced grid conditions. This important feature is demonstrated through simulation results. The converter solution introduced in this paper has a simple structure, with decoupled phases, which leads to the absence of undesired circulating currents and to a straightforward control, with very few internal control loops for its proper operation, and with simple modulation. Since the converter phases are decoupled, no arm inductors are required, which contributes to the weight and size reduction of the topology. In this paper, a detailed comparison analysis with the modular multilevel converter is presented based on number of components, conduction and switching losses. This analysis concludes that the proposed converter solution presents a reduction in costs and an expressive reduction in size and weight, in comparison to the modular multilevel converter. Thus, it should be a promising solution for high-power machine-drive applications that require compactness and lightness such as offshore wind turbines. In this paper, simulation results are presented explaining the behavior of the proposed converter, proving that it is capable of synthesizing a high-power-quality load voltage, with variable frequency, while exchanging power with the grid. Thus, this topology could be used to control the machine speed in a machine-drive application. Finally, experimental results are provided to validate the topology.

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10

Ali, Enaam Abdul-Khaliq, and Turki Kahawish Hassan. "Induction motor drive based on modular-multilevel converter with ripple-power decoupling channels." Indonesian Journal of Electrical Engineering and Computer Science 26, no. 2 (May 1, 2022): 675. http://dx.doi.org/10.11591/ijeecs.v26.i2.pp675-688.

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A driving system for a three-phase variable-speed induction machine-based modular multilevel converter (MMC) with magnetic channels operating at high frequencies -connecting adjacent-arm submodules is displayed in this paper. The primary disadvantage of using MMC in variable-speed motors is a high voltage ripple generated by submodule capacitors at low speeds with constant torque. This study utilises the DHB modules as energy channels, exchanging between the SM capacitors to correct the power imbalance. The ripple power of adjacent-arm SMs may be entirely decoupled, outcomes a virtually fluctuation-set free SM capacitor voltage design. Thus, the typical MMC issue of significant ripple voltage between SM capacitors has been wholly addressed regardless of operating frequency. The design and analysis of Field Oriented Control (FOC) of induction motors is based on an algorithm that ensures the motor's efficiency across a broad speed range. In this paper, we achieved a tiny ripple in the capacitive voltage for some frequencies (50Hz, 25Hz, 10Hz, 5Hz) by (±0.25%) compared with the previous papers that achieved a reduction in ripple within (±5%), and also this system was compared with the traditional system method operating principle was presented analytically and verified using Matlab Simulink.

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11

Zheng, Yu, Changxiu Yang, Tiefeng Peng, and Liujian Zhang. "Vector Control and Modeling of Modular Multilevel High Voltage Converter for Rail Vehicle Traction." International Journal of Circuits, Systems and Signal Processing 16 (January 14, 2022): 517–24. http://dx.doi.org/10.46300/9106.2022.16.64.

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Rail transit plays an important role in the social and economic life of China and even all countries in the world, especially some populous countries or regions. The traction drive system of rail vehicle provides three-phase AC with adjustable voltage and frequency for the traction motor, controls the speed and torque of the traction motor, and then controls the operation of the vehicle. The modular multilevel converter has the advantages of low harmonic, good power quality of output waveform, high reliability, no input filtering and power compensation, and is suitable in the field of frequency conversion. In this work, the open-loop scalar control and vector closed-loop control of modular multi-level high-voltage inverter were adopted. It was found that driven by modular multi-level variable frequency vector control system, asynchronous motor not only has less harmonic content of voltage and current waveform, but also its speed regulation characteristics have been improved.

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12

Govindaraju, C. "Hybrid phase shifted carrier modulation fed five-phase multilevel inverter for multiphase induction motor drive." International Journal of Power Electronics 5, no. 1 (2013): 45. http://dx.doi.org/10.1504/ijpelec.2013.054145.

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13

Kumar, Yerraguntla Shasi, and Gautam Poddar. "Medium-Voltage Vector Control Induction Motor Drive at Zero Frequency Using Modular Multilevel Converter." IEEE Transactions on Industrial Electronics 65, no. 1 (January 2018): 125–32. http://dx.doi.org/10.1109/tie.2017.2721927.

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14

Picas, Ricard, Jordi Zaragoza, Josep Pou, Salvador Ceballos, Georgios Konstantinou, and Gabriel J. Capella. "Study and Comparison of Discontinuous Modulation for Modular Multilevel Converters in Motor Drive Applications." IEEE Transactions on Industrial Electronics 66, no. 3 (March 2019): 2376–86. http://dx.doi.org/10.1109/tie.2018.2847621.

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15

Kumar, Yerraguntla Shasi, and Gautam Poddar. "Balanced Submodule Operation of Modular Multilevel Converter-Based Induction Motor Drive for Wide-Speed Range." IEEE Transactions on Power Electronics 35, no. 4 (April 2020): 3918–27. http://dx.doi.org/10.1109/tpel.2019.2938096.

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16

Kumar, Yerraguntla Shasi, and Gautam Poddar. "Control of Medium-Voltage AC Motor Drive for Wide Speed Range Using Modular Multilevel Converter." IEEE Transactions on Industrial Electronics 64, no. 4 (April 2017): 2742–49. http://dx.doi.org/10.1109/tie.2016.2631118.

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17

Du, Sixing, Bin Wu, and Navid Zargari. "A Control Strategy for Star-Channel Modular Multilevel Converter in Variable-Speed Motor Drive Application." IEEE Transactions on Industrial Electronics 66, no. 7 (July 2019): 5094–101. http://dx.doi.org/10.1109/tie.2018.2868309.

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18

Du, Sixing, Bin Wu, and Navid R. Zargari. "Common-Mode Voltage Elimination for Variable-Speed Motor Drive Based on Flying-Capacitor Modular Multilevel Converter." IEEE Transactions on Power Electronics 33, no. 7 (July 2018): 5621–28. http://dx.doi.org/10.1109/tpel.2017.2740782.

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19

Kapoor, Preeti V., and M. M. Renge. "Comparative analysis of modular multilevel converter with different modulation technique for control of induction motor drive." Microsystem Technologies 24, no. 8 (January 5, 2018): 3349–56. http://dx.doi.org/10.1007/s00542-017-3692-2.

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20

Nishimura, Kazutoshi, Makoto Hagiwara, and Hirofumi Akagi. "A Medium-Voltage Motor Drive with a Modular Multilevel PWM Inverter Part II. Startup Method and Performance." IEEJ Transactions on Industry Applications 130, no. 4 (2010): 552–59. http://dx.doi.org/10.1541/ieejias.130.552.

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21

Hagiwara, Makoto, Isamu Hasegawa, and Hirofumi Akagi. "Low-Speed Operation of a Medium-Voltage Motor Drive Using a Modular Multilevel Cascade Inverter (MMCI-DSCC)." IEEJ Transactions on Industry Applications 132, no. 11 (2012): 1072–79. http://dx.doi.org/10.1541/ieejias.132.1072.

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22

Kamarposhti, Mehrdad Ahmadi, and Ashkan Abyar Hosseini. "Modified approach for harmonic reduction in three-phase to seven-phase using transformer winding connections." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 3 (June 1, 2019): 1496. http://dx.doi.org/10.11591/ijece.v9i3.pp1496-1505.

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Анотація:

Three phase supply is available in the generating station or grid, were as seven phase supply is required for many industrial applications such as, aerospace, railway and automobile applications. There are different methods in which we can convert 3 to 7 phase using 24-Pulse Converter, Carrier Based PWM Technique, multilevel converter and Multiphase Transformer. The above said methods which are more complicated to design for higher ratings or a pure sine wave will not be obtained or harmonics will be more. For Multiphase power transmission system multiphase transformers are needed. In the multiphase power transmission and multiphase rectifier systems, the number of phase can be designed and developed in multiples of three. Therefore, the variable speed multiphase drive system considered in the literature are mostly of five, seven, nine, eleven, twelve, and fifteen phase. So, there is a need to design and develop special transformer which converts from 3 to 7 phase for different arrangement of input and output. Thus, with the proposed technique, a pure seven-phase sine-wave of fixed voltage/current and frequency is obtained, which can be used for RL load and motor testing purposes. Complete design and simulation of the proposed solution is presented. Analytical calculation and simulation results for RL load is presented in the paper. This model can be simulated by using Orcad simulation software and “SimPowerSystem” block sets of MATLAB/SIMULINK software.

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23

Reddy, B. Prathap, and Sivakumar Keerthipati. "A Multilevel Inverter Configuration for an Open-End-Winding Pole-Phase-Modulated-Multiphase Induction Motor Drive Using Dual Inverter Principle." IEEE Transactions on Industrial Electronics 65, no. 4 (April 2018): 3035–44. http://dx.doi.org/10.1109/tie.2017.2750626.

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24

Park, Chang-Hwan, In-Kyo Seo, Belete Belayneh Negesse, Jong-su Yoon, and Jang-Mok Kim. "A Study on Common Mode Voltage Reduction Strategies According to Modulation Methods in Modular Multilevel Converter." Energies 14, no. 6 (March 14, 2021): 1607. http://dx.doi.org/10.3390/en14061607.

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Анотація:

Low level modular multilevel converter (MMC) is a promising candidate for medium voltage applications such as MVDC (medium voltage DC current) transmission and megawatt machine drives. Unlike high-level MMC using nearest level modulation (NLM), the low-level MMC using the pulse width modulation (PWM) or NLM + PWM is affected by a common mode voltage (CMV) due to a frequent change of a switching state. This CMV causes electromagnetic interference (EMI) noise, common mode current (CMC) and bearing current leading to a reduction in the efficiency and durability of the motor drive system. Therefore, this paper provides a mathematical analysis on how the switching state affects the CMV and proposes three software based CMV reduction algorithms for the low level MMC system. To reflect the characteristic of MMC modulation strategy for upper and lower reference voltage independently, two separate space vectors are used. Based on the analysis, three different CMV reduction algorithms (complete CMV reduction (CCR), DPWM CMV reduction (DCR) and partial CMV reduction (PCR)) are proposed using NLC + PWM modulation strategy. The performance of the proposed CMV reduction algorithms was verified by both simulation and experimental result.

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25

Kawamura, Wataru, Makoto Hagiwara, and Hirofumi Akagi. "A Low-Speed, High-Torque Motor Drive Using a Modular Multilevel Cascade Converter Based on Triple-Star Bridge Cells (MMCC-TSBC)." IEEJ Transactions on Industry Applications 135, no. 2 (2015): 162–69. http://dx.doi.org/10.1541/ieejias.135.162.

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26

Saito, Kenichiro, Yuhei Okazaki, and Hirofumi Akagi. "Experimental Verification of a Virtual Medium-Voltage High-Speed Synchronous-Motor Drive Test System Based on Two Modular Multilevel DSCC Converters." IEEJ Transactions on Industry Applications 137, no. 12 (2017): 889–98. http://dx.doi.org/10.1541/ieejias.137.889.

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27

Kawamura, Wataru, Kuan-Liang Chen, Makoto Hagiwara, and Hirofumi Akagi. "A Low-Speed, High-Torque Motor Drive Using a Modular Multilevel Cascade Converter Based on Triple-Star Bridge Cells (MMCC-TSBC)." IEEE Transactions on Industry Applications 51, no. 5 (September 2015): 3965–74. http://dx.doi.org/10.1109/tia.2015.2416130.

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28

Saito, Kenichiro, and Hirofumi Akagi. "A Power Hardware-in-the-Loop (P-HIL) Test Bench Using Two Modular Multilevel DSCC Converters for a Synchronous Motor Drive." IEEE Transactions on Industry Applications 54, no. 5 (September 2018): 4563–73. http://dx.doi.org/10.1109/tia.2018.2833424.

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29

KAWAMURA, WATARU, MAKOTO HAGIWARA, and HIROFUMI AKAGI. "A Low-Speed, High-Torque Motor Drive Using a Modular Multilevel Cascade Converter Based on Triple-Star Bridge Cells (MMCC-TSBC)." Electrical Engineering in Japan 198, no. 4 (November 23, 2016): 73–82. http://dx.doi.org/10.1002/eej.22933.

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30

Kawamura, Wataru, Makoto Hagiwara, Hirofumi Akagi, Masahiko Tsukakoshi, Ritaka Nakamura, and Sumiyasu Kodama. "AC-Inductors Design for a Modular Multilevel TSBC Converter, and Performance of a Low-Speed High-Torque Motor Drive Using the Converter." IEEE Transactions on Industry Applications 53, no. 5 (September 2017): 4718–29. http://dx.doi.org/10.1109/tia.2017.2713338.

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31

Marzoughi, Alinaghi, Rolando Burgos, Dushan Boroyevich, and Yaosuo Xue. "Design and Comparison of Cascaded H-Bridge, Modular Multilevel Converter, and 5-L Active Neutral Point Clamped Topologies for Motor Drive Applications." IEEE Transactions on Industry Applications 54, no. 2 (March 2018): 1404–13. http://dx.doi.org/10.1109/tia.2017.2767538.

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32

Hagiwara, Makoto, Kazutoshi Nishimura, and Hirofumi Akagi. "A Medium-Voltage Motor Drive with a Modular Multilevel PWM Inverter Part I. Experimental Verification by a 400-V, 15-kW Downscaled Model." IEEJ Transactions on Industry Applications 130, no. 4 (2010): 544–51. http://dx.doi.org/10.1541/ieejias.130.544.

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33

Kawamura, Wataru, Yuto Chiba, Makoto Hagiwara, and Hirofumi Akagi. "Experimental Verification of an Electrical Drive Fed by a Modular Multilevel TSBC Converter When the Motor Frequency Gets Closer or Equal to the Supply Frequency." IEEE Transactions on Industry Applications 53, no. 3 (May 2017): 2297–306. http://dx.doi.org/10.1109/tia.2017.2665635.

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34

Tiwari, Sangeeta. "Study and Analysis of Modular Multilevel Converter for Electric Vehicle Charging System." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 06, no. 04 (April 24, 2022). http://dx.doi.org/10.55041/ijsrem12466.

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In this article, the function of the modular multilevel converter (MMC) electric field systems (EV) is monitored. The first proposed Modular Multilevel Converter (MMC) has become a competition for high voltage direct current (HVDC) and high power motor drive applications, for this reason, Advantages such as high modularity, error handling capability, and similar, High-Quality Output Waveforms. The function of integrating motor drive capability, cell state-of-charge equalizer (SOC), an on-board charger, in single circuit topology, makes MMC for EV attract application attention. In the MMC, due to the interaction between current and switching operation, specific low-order current-ready harmonics are generated and flow through the battery cells. KEYWORDS-Modular Multilevel Converter; battery storage system; electric vehicle:

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35

Hannan, Ahmed Kamil, and Turki K. Hassan. "Design and Simulation of Modular Multilevel Converter Fed Induction Motor Drive." Indonesian Journal of Electrical Engineering and Informatics (IJEEI) 9, no. 1 (March 13, 2021). http://dx.doi.org/10.11591/ijeei.v9i1.2699.

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36

Hannan, Ahmed Kamil, and Turki K. Hassan. "Design and Simulation of Modular Multilevel Converter Fed Induction Motor Drive." Indonesian Journal of Electrical Engineering and Informatics (IJEEI) 9, no. 1 (March 13, 2021). http://dx.doi.org/10.52549/ijeei.v9i1.2699.

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37

"Control of Modular Multilevel Converter Fed 3-Phase Induction Motor using DTC with PI Controller." International Journal of Innovative Technology and Exploring Engineering 9, no. 3 (January 10, 2020): 3451–56. http://dx.doi.org/10.35940/ijitee.c8591.019320.

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Анотація:

In this paper 3-level Modular Multilevel Converter fed direct torque control (DTC) of Induction Motor (IM) is proposed. The proposed Modular Multilevel Converter (MMC) replaces a three-level Neutral Point Clamping (NPC) converter to drive an Induction Motor, because of its high voltage power range. The main drawback of the DTC of NPC fed IM using conventional PI controller is high torque, stator flux ripples and speed of IM is decreasing under transient and steady state operating conditions. The work of this paper is to study, evaluate and compare the techniques of the conventional DTC with NPC and DTC with MMC using PI controller, applied to the induction motor through MATLAB/Simulation.

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38

Santhi, R., and A. Srinivasan. "Hybrid bidirectional multilevel inverter structures for induction motor drive." International Review of Applied Sciences and Engineering, January 12, 2023. http://dx.doi.org/10.1556/1848.2022.00441.

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Анотація:

AbstractMultilevel inverters performance enhancement is a major topic, which has attracted the attention of most of the researchers, to evolve with newer topologies and modulation strategies. In this manuscript, two novel hybrid bidirectional multilevel inverter structures, which are suitable for bidirectional loads, are proposed. An enhancement in the voltage levels and reduction of the component count are achieved for these newly introduced structures. Modular expansion and series cascading are suggested systems for extension of the voltage levels. The prime requirement in most of the industrial drives is a controlled output. VSI fed induction motor drive satisfies this requirement. The Multicarrier PWM technique has been applied to the basic bidirectional seven level models and nine level model and its performance with induction motor as load has been analyzed for various modulation indices. The simulated results of the proposed structures are verified using MATLAB/SIMULINK platform. The characteristics such as stator current, rotor current speed and torque plots achieved as above model affirm that its performance is good. By then, the tracking time of the proposed work during reference speed change, load change and constant reference change is 0.185, 1.094 and 1.5 s. The tracking time of the VSI during reference speed change, load change and constant reference change is 0.5 s, 3.8 and 3.5 s. The tracking time of the MLI during reference speed change, load change and constant reference change is 0.2 s, 1.8 and 2 s.

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39

S., Umesh, and Keerthipati Sivakumar. "Multilevel Inverter Scheme for Performance Improvement of Pole Phase Modulated Multiphase Induction Motor Drive." IEEE Transactions on Industrial Electronics, 2015, 1. http://dx.doi.org/10.1109/tie.2015.2506623.

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40

GOPALA, VENU MADHAV, T. Anil Kumar, D. Krishna, Ch. Srinivasa Rao, Shashank Kumar, and Sudipto Poddar. "Rapid Control Prototyping of Five-Level MMC based Induction Motor Drive with different Switching Frequencies." EMITTER International Journal of Engineering Technology, June 12, 2022, 102–19. http://dx.doi.org/10.24003/emitter.v10i1.637.

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In this paper, Rapid Control Prototyping (RCP) of five-level Modular Multilevel Converter (MMC) based Induction Motor (IM) drive performance is observed with different switching frequencies. The Semikron based MMC Stacks with two half-bridge each are tested with the switching logic generated by phase and level shifted based Sinusoidal Pulse Width Modulation (SPWM) technique. The switching logic is generated by the Typhoon Hardware in Loop (HIL) 402. The disadvantages of Multilevel Converter like not so good output quality, less modularity, not scalable and high voltage and current rating demand for the power semiconductor switches can be overcome by using MMC. In this work, the IM drive is fed by MMC and the experimentally the performance is observed. The performance of the Induction Motor in terms of speed is observed with different switching frequencies of 2.5kHz, 5kHz, 7.5kHz, 10kHz, 12.5kHz and the results are tabulated in terms of Total Harmonic Distortion (THD) of input voltage and current to the Induction Motor Drive. The complete model is developed using Typhoon HIL 2021.2 Version Real-Time Simulation Software.

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Kumar, T. Lakshman, and P. Siva Krishna. "Performance of Induction Motor Drive by Using Modular Multilevel Converter With Battery Energy Sources." International Journal Of Engineering And Computer Science, October 16, 2015. http://dx.doi.org/10.18535/ijecs/v4i10.15.

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42

Du, Sixing, Bin Wu, Kai Tian, Navid Zargari, and Zhongyuan Cheng. "An Active Cross-Connected Modular Multilevel Converter (AC-MMC) for Medium-voltage Motor Drive." IEEE Transactions on Industrial Electronics, 2016, 1. http://dx.doi.org/10.1109/tie.2016.2547875.

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RAO, M. RAMA MOHANA, and CH RAMBABU. "A NOVEL MULTIPHASE BIDIRECTIONAL FLY-BACK CONVERTER TOPOLOGY IS APPLIED TO INDUCTION MOTOR DRIVE." International Journal of Electronics Signals and Systems, October 2013, 145–50. http://dx.doi.org/10.47893/ijess.2013.1156.

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Hybrid Electric Vehicle (HEV) is an emerging technology in the modern world because of the fact that it mitigates environmental pollutions and at the same time increases fuel efficiency of the vehicles. Bi-directional Fly – back Converter controls electric drive of HEV of high power and enhances its performance which is the reflection of the fact that it can generate Constant voltages. For hybrid electric vehicles, the batteries and the drive dc link may be at different voltages. The batteries are at low voltage to obtain higher volumetric efficiencies, and the dc link is at higher voltage to have higher efficiency on the motor side. Therefore, a power interface between the batteries and the drive’s dc link is essential. This power interface should handle power flow from battery to motor, motor to battery, external gen-set to battery, and grid to battery. This paper proposes a multi-power-port topology which is capable of handling multiple power sources and still maintains simplicity and features like obtaining high gain, wide load variations, lower output-current ripple, and capability of parallel-battery energy due to the modular structure. The scheme incorporates a transformer winding technique which drastically reduces the leakage inductance of the coupled inductor. The development and testing of a bidirectional fly-back dc–dc converter for hybrid electric vehicle is described in this paper. Simple hysteresis voltage control is used for dc-link voltage regulation. The simulation results are presented, and modeling the circuit by using MATLAB/SIMULINK Platform.

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