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Artículos de revistas sobre el tema "Three-phase PWM inverter"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 13 de febrero de 2022

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1

Durafe, Asha. "MatlabSimulink Model of Sinusoidal PWM For Three-Phase Voltage Source Inverter". International Journal of Trend in Scientific Research and Development Volume-2, Issue-6 (31 de octubre de 2018): 753–55. http://dx.doi.org/10.31142/ijtsrd18614.

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2

Dr. Sujatha Balaraman,, P. Yogini. "Three Phase Eleven Level Modular Multilevel Inverter with PD-PWM for Grid Connected System". International Journal for Modern Trends in Science and Technology, n.º 8 (7 de agosto de 2020): 86–91. http://dx.doi.org/10.46501/ijmtst060816.

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The prominence of Modular Multilevel Inverters (MMI) is rising owing their merits of simple mechanical construction and good voltage sharing for semiconductor devices. Mostly Multilevel Inverters use more than one source; however, the effective use of all the sources at all levels is rare. Conventional Multilevel Inverters will diminish the energy efficiency of the conversion system. When compared to conventional multilevel inverter, Modular Multilevel Inverter with a high numbers of voltage levels seem to be the most suitable because of the use of an isolated dc source. This paper explores a three-phase eleven level modular multilevel inverter with phase disposition pulse width modulation technique (PD-PWM) that can extract power from all the sources at all the levels. Besides, this paper develops a synchronous d-q reference frame controller to control the current of 11kV. When compared with Reduced Switch Count based Multilevel Inverter Series/Parallel switching topologies, the Modular Multilevel Inverter provides better Total Harmonic Distortion (THD) of output voltage and utilization factor.

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3

Edwin Deepak, F. X. y V. Rajasekaran. "Three phase z-source neutral point clamped inverter with multicarrier PWM technique". COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 35, n.º 5 (5 de septiembre de 2016): 1575–91. http://dx.doi.org/10.1108/compel-04-2016-0131.

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Purpose The purpose of this paper is to present the three phase seven-level Z-source neutral point clamped (NPC) inverter with multicarrier pulse-width modulation (PWM) technique. Despite numerous topologies and modulation methods, there is a dire need of developing PWM techniques that can be deployed in multilevel inverters. These inverters decrease the total harmonic distortion and it has a good performance for various electrical power system applications. The proposed inverter is investigated for its performance by executing it in shoot through and non-shoot through modes. Design/methodology/approach The purpose is validated through MATLAB/Simulink software platform for implementing the proposed seven-level Z-source NPC inverter outlined with multicarrier based phase disposition technique. The experimental results are verified using SPARTAN 3E FPGA controller with the same control strategy. Findings The efficiency of the proposed inverter is confirmed in terms of increased and faster conversion in the shoot-through mode. By using PDPWM technique the maximum boost gain is achieved with lower modulation index. High control of DC voltage is obtained with only one DC voltage source and one Z network. Originality/value Three phase multilevel inverters are widely used in improving the output voltage quality and reducing the encountered electromagnetic interference in electronic device or circuitry. They are employed in medium and high –power applications to attain increased power ratings while decreasing the switching losses. The performance results shown in this paper will satisfy the above needs of usage in certain applications and less switching losses.

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4

Hossameldin, Abdelsalam, Ibrahim y Williams. "Enhanced Performance Modified Discontinuous PWM Technique for Three-Phase Z-Source Inverter". Energies 13, n.º 3 (26 de enero de 2020): 578. http://dx.doi.org/10.3390/en13030578.

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Various industrial applications require a voltage conversion stage from DC to AC. Among them, commercial renewable energy systems (RES) need a voltage buck and/or boost stage for islanded/grid connected operation. Despite the excellent performance offered by conventional two-stage converter systems (dc–dc followed by dc–ac stages), the need for a single-stage conversion stage is attracting more interest for cost and size reduction reasons. Although voltage source inverters (VSIs) are voltage buck-only converters, single stage current source inverters (CSIs) can offer voltage boost features, although at the penalty of using a large DC-link inductor. Boost inverters are a good candidate with the demerit of complicated control strategies. The impedance source (Z-source) inverter is a high-performance competitor as it offers voltage buck/boost in addition to a reduced passive component size. Several pulse width modulation (PWM) techniques have been presented in the literature for three-phase Z-source inverters. Various common drawbacks are annotated, especially the non-linear behavior at low modulation indices and the famous trade-off between the operating range and the converter switches’ voltage stress. In this paper, a modified discontinuous PWM technique is proposed for a three-phase z-source inverter offering: (i) smooth voltage gain variation, (ii) a wide operating range, (iii) reduced voltage stress, and (iv) improved total harmonic distortion (THD). Simulation, in addition to experimental results at various operating conditions, validated the proposed PWM technique’s superior performance compared to the conventional PWM techniques.

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5

Sutar, Amol. "Advanced Three Phase PWM Inverter Control Using Microcontroller". IOSR Journal of Electrical and Electronics Engineering 5, n.º 2 (2013): 21–28. http://dx.doi.org/10.9790/1676-0522128.

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6

Taniguchi, Katsunori y Hisaichi Irie. "Trapezoidal Modulating Signal for Three-Phase PWM Inverter". IEEE Transactions on Industrial Electronics IE-33, n.º 2 (mayo de 1986): 193–200. http://dx.doi.org/10.1109/tie.1986.350216.

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7

Geetha, R. y M. Ramaswamy. "New PWM strategy for three-phase multilevel inverter". International Journal of Power Electronics 7, n.º 1/2 (2015): 86. http://dx.doi.org/10.1504/ijpelec.2015.071203.

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8

Zhou, Wenzhi y Dan Sun. "Adaptive PWM for four‐switch three‐phase inverter". Electronics Letters 51, n.º 21 (octubre de 2015): 1690–92. http://dx.doi.org/10.1049/el.2015.1584.

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9

Kawabata, T., T. Miyashita y Y. Yamamoto. "Dead beat control of three phase PWM inverter". IEEE Transactions on Power Electronics 5, n.º 1 (enero de 1990): 21–28. http://dx.doi.org/10.1109/63.45996.

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10

Putra, Sony Prakarsa y Zulwisli Zulwisli. "INVERTER PWM UNTUK MENGGERAKKAN MESIN ARUS SEARAH TANPA SIKAT BERBASIS ARDUINO". Voteteknika (Vocational Teknik Elektronika dan Informatika) 7, n.º 4 (28 de enero de 2020): 68. http://dx.doi.org/10.24036/voteteknika.v7i4.106466.

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This study aims to create a PWM inverter that can drive the Brushless Unidirectional Flow Machine (MASTS). PWM inverters are intended to correct deficiencies in six-step inverters. Inverter is a circuit that is used to convert a DC voltage source into an AC voltage with a certain frequency. The use of inverters is found in electric vehicles. The system often used to control an inverter is a Pulse Width Modulation (PWM) based control, where pulse width is used to regulate speed. The inverter is tested using 3 pairs of mosfets as a switch to control the three-phase output of the inverter. In the inverter, PWM is used to adjust the width of the frequency pulse that will be given to the mosfet. This research used 3 variations of duty cycle 30%, 60%, 90% to determine the effect of MASTS speed on PWM by using a PWM inverter. The results of this study the speed of MASTS can be influenced by changes in duty cycle, with increasing value of the duty cycle, the faster the speed of MASTS, and vice versa. Keywords:Mosfet, Sensor Hall, MASTS, PWM, Inverter.

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11

N. Lavanya, N. Lavanya y G. Sudha Rani G. Sudha Rani. "Elimination of Harmonics in Three Phase Inverter by Using Modifying Reference PWM Technique". Indian Journal of Applied Research 3, n.º 5 (1 de octubre de 2011): 266–68. http://dx.doi.org/10.15373/2249555x/may2013/80.

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12

Kadum, Arkan A. "PWM control techniques for three phase three level inverter drives". TELKOMNIKA (Telecommunication Computing Electronics and Control) 18, n.º 1 (1 de febrero de 2020): 519. http://dx.doi.org/10.12928/telkomnika.v18i1.12440.

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13

Sharma, Vidit, Ranvir Kaur y Gursewak Singh Brar. "Harmonic Elimination In Three Phase PWM Inverter By THIPWM". International Journal of Research in Advent Technology 7, n.º 2 (10 de marzo de 2019): 78–81. http://dx.doi.org/10.32622/ijrat.72201914.

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14

Ohnishi, Tokuo y Hiroshi Okitsu. "A novel PWM technique for three-phase inverter/converter." IEEJ Transactions on Power and Energy 105, n.º 2 (1985): 176–83. http://dx.doi.org/10.1541/ieejpes1972.105.176.

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15

Taniguchi, Katsunori y Hisaichi Irie. "A modulating signal for three-phase sinusoidal PWM inverter." IEEJ Transactions on Power and Energy 105, n.º 10 (1985): 880–86. http://dx.doi.org/10.1541/ieejpes1972.105.880.

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16

Taniguchi, Katsunori y Hiroyuki Yonezawa. "Modified Trapezoidal Modulating Signal for Three-Phase PWM Inverter". IEEJ Transactions on Power and Energy 106, n.º 7 (1986): 643. http://dx.doi.org/10.1541/ieejpes1972.106.643.

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17

Kawabata, Takao, Takeshi Miyashita y Yushin Yamamoto. "Finite time settlement control of three phase PWM inverter." IEEJ Transactions on Industry Applications 107, n.º 11 (1987): 1332–38. http://dx.doi.org/10.1541/ieejias.107.1332.

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18

Fujita, Hideaki y Hirofumi Akagi. "A Zero-Current-Switching Based Three-Phase PWM Inverter." IEEJ Transactions on Industry Applications 114, n.º 5 (1994): 561–66. http://dx.doi.org/10.1541/ieejias.114.561.

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19

Wu, Kui Hua, Wei Sun, Jian Wang, Shen Quan Yang, Yi Qun Wang y Bo Li. "Design of the Three-Phase Photovoltaic Grid-Connected Inverter". Advanced Materials Research 986-987 (julio de 2014): 1938–41. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1938.

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Photovoltaic grid-connected power generation is the inevitable development trend of solar photovoltaic systems,grid inverter is an essential part of photovoltaic grid-connected power generation. With the developed three phase current type PWM inverter device as the research object, and symmetry rules sampling method is applied to the inverter, through the method combined by the computer simulation and experiment research, the device was verified by simulation and experimental .The results show that: This method could not only effectively reduce the DC side inductance volume of the current-mode PWM inverter , and it could make output AC currents sinusoidal and in phase with grid voltages, but also improve the efficiency of the system, it will be more suitable for photovoltaic grid-connected.

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20

Swamy, D. Manikanta, M. Venkatesan y M. Subbarao. "Investigations on Three-phase Grid-Connected Inverter using PWM Controllers". Journal of Engineering Science and Technology Review 13, n.º 5 (2020): 176–82. http://dx.doi.org/10.25103/jestr.135.23.

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In recent years, a Multilevel Inverter (MLI) topology is highly preferred in the various renewable energy applications for converting power due to their merits. In this paper, a three-phase inverter has been designed for grid-connected applications using Proportional Integral (PI) current controller scheme. To generate a sequence, the Level shift (LS) and Phase Shift (PS) Pulse Width Modulation (PWM) methodologies are adapted. This topology has been designed with two stages: the DC-DC conversion stage and DC-AC conversion stage. The DC-DC conversion stage is used to enrich input DC voltage which is obtained from the solar PV array. The PI current controller has been designed to regulate the grid current with park transformation. The performances of the inverter have been examined in terms of Total Harmonic Distortion (THD) using different PWM techniques and also investigated with existing research works. The developed results are verified using MATLAB/ Simulink.

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21

Rahimi A. Subki, A. Shamsul, Mohd Zaidi Mohd Tumari, Wan Norhisyam Abd Rashid, Aiman Zakwan Jidin y Ahmad Nizammuddin Muhammad Mustafa. "Hardware implementation of single phase three-level cascaded h-bridge multilevel inverter using sinusoidal pulse width modulation". International Journal of Power Electronics and Drive Systems (IJPEDS) 10, n.º 2 (1 de junio de 2019): 625. http://dx.doi.org/10.11591/ijpeds.v10.i2.pp625-635.

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<span lang="EN-US">In this paper a hardware implementation of single-phase cascaded H-bridge three level multilevel inverter (MLI) using sinusoidal pulse width modulation (SPWM) is presented. There are a few interesting features of using this configuration, where less component count, less switching losses, and improved output voltage/current waveform. The output of power inverter consists of three form, that is, square wave, modified square wave and pure sine wave. The pure sine wave and modified square wave are more expensive than square wave. The focus paper is to generate a PWM signal which control the switching of MOSFET power semiconductor. The sine wave can be created by using the concept of Schmitt-Trigger oscillator and low-pass filter topology followed by half of the waveform will be eliminated by using the circuit of precision half-wave rectifier. Waveform was inverted with 180º by circuit of inverting op-amp amplifier in order to compare saw-tooth waveform. Two of PWM signal were produced by circuit of PWM and used digital inverter to invert the two PWM signal before this PWM signal will be passed to 2 MOSFET driver and a 3-level output waveform with 45 Hz was produced. As a conclusion, a 3-level output waveform is produced with output voltage and current recorded at 22.5 Vrms and 4.5 Arms. The value of measured resistance is 0.015 Ω that cause voltage drop around 0.043 V. Based on the result obtained, the power for designed inverter is around 100W and efficiency recorded at 75%.</span>

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22

Zhang, Guozheng, Yuwei Wan, Zhixin Wang, Le Gao, Zhanqing Zhou y Qiang Geng. "Discontinuous Space Vector PWM Strategy for Three-Phase Three-Level Electric Vehicle Traction Inverter Fed Two-Phase Load". World Electric Vehicle Journal 11, n.º 1 (14 de marzo de 2020): 27. http://dx.doi.org/10.3390/wevj11010027.

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Discontinuous pulse width modulation (DPWM) strategies are usually adopted to reduce the switching loss and output current ripple of three-phase three-level traction inverters under three-phase load conditions. However, if there is a short circuit in any arbitrary phase or the inverter is used to feed a two-phase load, the output performance of conventional DPWM strategies will be deteriorated. Here, four improved DPWM (IDPWM) strategies for three-phase three-level neutral-point-clamped (NPC) traction inverter fed two-phase load are proposed. Unlike three-phase load conditions, the phase angle and the amplitude of each basic voltage vector in the space vector diagram are modified under two-phase load conditions. Consequently, sectors are re-divided and duty cycles of basic vectors during synthesis are recalculated. Clamping intervals of each phase for the four type discontinuous PWM (DPWM) strategies are rearranged according to the modified space vector diagram; then, the proposed DPWM strategies can be obtained. Compared with the conventional DPWM strategies, the output current waveform quality of the proposed strategy is significantly improved. Meanwhile, the amplitude of the neutral-point voltage ripple is also reduced.

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23

Srikanth, Chinmayi y Shivaleelavathi B G. "Digital Control of Three-Phase Cascaded Multilevel Inverter Using FPGA Wavect Tool". International Journal of Power Electronics and Drive Systems (IJPEDS) 9, n.º 1 (1 de marzo de 2018): 189. http://dx.doi.org/10.11591/ijpeds.v9.i1.pp189-197.

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<span>The multi carrier modulation technique is the most employed PWM technique for cascaded multilevel inverter (CMLI) since this control strategy can be easily extended to higher number of levels of output compared to space vector PWM technique. This paper proposes a modified multi carrier PWM technique for three-phase CMLI. The proposed PWM technique has been implemented using MATLAB Xilinx System Generator, which automatically generate code from system model. The hardware implementation of the three-phase CMLI has been carried out to substantiate the working of proposed PWM technique. Novel FPGA Wavect digital controller is used to generate the PWM pulses, which is a real time simulator and controller. This digital controller improves the accuracy of the hardware implementation. Hardware implementation of proposed control strategy for three-phase CMLI with RL load proves that the proposed PWM technique results in improved power output quality with reduced harmonic components.</span>

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24

Chellammal, N., R. Abirami, Tatipamula Mohana y Subhransu Sekar Dash. "Switching Frequency Optimal PWM Based Three Phase Hybrid Multilevel Inverter". Procedia Engineering 64 (2013): 302–11. http://dx.doi.org/10.1016/j.proeng.2013.09.102.

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25

Blaabjerg, F. y J. K. Pedersen. "Optimized design of a complete three-phase PWM-VS inverter". IEEE Transactions on Power Electronics 12, n.º 3 (mayo de 1997): 567–77. http://dx.doi.org/10.1109/63.575684.

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26

Kawabata, T., T. Miyashita y Y. Yamamoto. "Digital control of three-phase PWM inverter with LC filter". IEEE Transactions on Power Electronics 6, n.º 1 (enero de 1991): 62–72. http://dx.doi.org/10.1109/63.65004.

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27

Keliang Zhou y Danwei Wang. "Digital repetitive learning controller for three-phase CVCF PWM inverter". IEEE Transactions on Industrial Electronics 48, n.º 4 (2001): 820–30. http://dx.doi.org/10.1109/41.937415.

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28

Weichmann, Eduardo P., Phoivos D. Ziogas y Victor R. Stefanovic. "Generalized Functional Model for Three-Phase PWM Inverter/Rectifier Converters". IEEE Transactions on Industry Applications IA-23, n.º 2 (marzo de 1987): 236–46. http://dx.doi.org/10.1109/tia.1987.4504898.

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29

Zhou, Keliang y Danwei Wang. "Zero tracking error controller for three-phase CVCF PWM inverter". Electronics Letters 36, n.º 10 (2000): 864. http://dx.doi.org/10.1049/el:20000640.

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30

Jurado, F. y M. Valverde. "Multiobjective Genetic Algorithm for Three-Phase PWM Inverter in Microturbines". Electric Power Components and Systems 33, n.º 8 (agosto de 2005): 895–911. http://dx.doi.org/10.1080/15325000590909877.

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31

Bor-Ren Lin y Hsin-Hung Lu. "Single-phase three-level rectifier and random PWM inverter drives". IEEE Transactions on Aerospace and Electronic Systems 35, n.º 4 (1999): 1334–43. http://dx.doi.org/10.1109/7.805449.

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32

Shukla, J. y B. G. Fernandes. "Three-phase soft-switched PWM inverter for motor drive application". IET Electric Power Applications 1, n.º 1 (2007): 93. http://dx.doi.org/10.1049/iet-epa:20050539.

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33

Maeda, Kosuke, Utena Yasuda y Masakazu Michihira. "Research on Loss Reduction by Step-down PAM Type Single-phase PWM Three-phase Inverter". Journal of the Japan Institute of Power Electronics 46 (2020): 117. http://dx.doi.org/10.5416/jipe.46.117.

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34

Shaji, Liju y Praveen Bansal. "A Novel 9-Level Switched Capacitor Inverter Using Different Carrier Based PWM Techniques". International Journal of Innovative Science and Research Technology 5, n.º 6 (11 de julio de 2020): 1200–1205. http://dx.doi.org/10.38124/ijisrt20jun1076.

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In this paper, a new 9-level inverter employing switched capacitor technique is proposed. Three bidirectional voltage blocking switches are employed to connect the four H-bridges and to incorporate the three switched capacitors. The proposed multilevel inverter (MLI) circuit outputs a 9-level waveform with a maximum boosting factor of four. Unlike the already established switched capacitor based MLI consisting of two stages the proposed MLI is single stage inverter. The switches in the proposed MLI is subjected to a low value of voltage stress equal to Vdc. The proposed MLI is further analyzed by using various multicarrier sinusoidal PWM technique such as Phase Shift PWM (PSPWM), Phase disposition PWM (PDPWM), Phase Opposition Disposition PWM (PODPWM), Alternate Phase Opposition Disposition PWM (APODPWM) and Variable Frequency PWM (VFPWM).

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35

Chen, Guo Qiang y Jian Li Kang. "Spectrum Analysis Methods to the Two-Level Three-Phase Inverter". Key Engineering Materials 467-469 (febrero de 2011): 968–71. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.968.

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Aiming at the spectrum analysis, the classification of PWM strategies based on digital implementation for the three-phase inverter is given. Then the paper summaries the three spectrum analysis methods: theoretical expression, computer simulation and experiment. The structure and procedure of each method are discussed. Each method has advantages and disadvantages. The experiment and computer simulation can be used to analyze any PWM strategy. The theoretical expression is always used to analyze the deterministic strategies.

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36

Hamza, Amar, Sara Altahir y Xiangwu Yan. "Synchronverter Control for Parallel Operation of Cascaded H-Bridge Inverter". Indonesian Journal of Electrical Engineering and Computer Science 2, n.º 1 (1 de abril de 2016): 107. http://dx.doi.org/10.11591/ijeecs.v2.i1.pp107-114.

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<p>A 21-levels cascaded H-bridge multilevel inverter topology based on three-phase voltage source inverter has been proposed as a superior replacement for conventional two-level in high voltage applications. In this work we have presented the usage of the new technique called virtual synchronous generator based synchronverter model to operate the multilevel inverter as synchronous generator, and to share active and reactive power automatically in case of parallel operated inverters of the same type. Carrier-based PWM is used to control each phase leg of the cascaded H-bridge multilevel inverter. This carrier-based PWM scheme is derived from the carrier phase disposition pulse width modulation strategy. By aid of MATLAB/Simulink package a simulation experiment is established to verify the performance of the proposed technique.</p><p> </p>

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37

Palanisamy, Aswin, Yam P. Siwakoti, Akshay Mahajan, Teng Long, Omid Forati Kashani y Frede Blaabjerg. "A transformerless three‐level three‐phase boost PWM inverter for PV applications". IET Power Electronics 14, n.º 10 (16 de julio de 2021): 1768–78. http://dx.doi.org/10.1049/pel2.12142.

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38

Huang, Ping Lin, Guo Sheng Cheng y Ai Ping Yan. "A Novel Model for Predicting Iron Losses of Electrical Steels Fed by PWM Inverter". Advanced Materials Research 298 (julio de 2011): 179–82. http://dx.doi.org/10.4028/www.scientific.net/amr.298.179.

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Based on the Bessel function, a novel calculation model of iron losses of electric magnetic material fed by PWM inverter is proposed. Considering the influence of modulation index of inverters, the numerical relationship between material iron losses and PWM modulation index is presented. By improving on the Epstein frame measuring system, a method is proposed to measure the material loss under non-sinusoidal voltage, two three-phase experimental induction motors fed by inverter is considered, the results prove the model is valid.

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39

Ali, Ahmed Ismail M., Takaharu Takeshita y Mahmoud A. Sayed. "Three-Phase PWM Inverter for Isolated Grid-Connected Renewable Energy Applications". Energies 14, n.º 12 (21 de junio de 2021): 3701. http://dx.doi.org/10.3390/en14123701.

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This paper proposes a three-phase isolated flyback inverter (IFBI) for single-stage grid-tied solar PV applications, considering a simple sinusoidal pulse-width modulation (SPWM) scheme. The proposed single-stage inverter employs a reduced passive elements count by considering three input-parallel output-differential (IPOD) flyback converter modules. Additionally, a single small size LC-input low-pass filter is utilized at the input paralleling point for ripple-free input current operation, which is essential in grid-connected renewable energy applications. In addition, a mathematical model of the IFBI is presented to confirm the existence of its low-order harmonic components. A simple PI controller-based control scheme, considering only two loops and five sensors, is used to control the proposed grid-tied IFBI. Continuous modulation scheme (CMS) combined with SPWM is used to diminish the low-frequency harmonic components. Moreover, a simple selective harmonic elimination (SHE) loop is used for second-order harmonic components (SOHC) elimination from grid-injected currents. The SHE has decreased the SOHC from 43% to 0.96%, which improves the grid current THD from 39% to 3.65%, to follow the IEEE harmonic standard limits. Additionally, the harmonic elimination technique decreases the circulating power between the inverter paralleled modules, which enhances the grid currents power factor. The proposed inverter is verified through a grid-connected 200 V, 1.6 kW, 60 Hz experimental prototype, and the switching frequency is 50 kHz. TMS-based DSP controller is used to control the grid-injected power to follow the reference power set-point.

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40

Komrska, Tomáš y Tomáš Glasberger. "Pulse Width Modulation of Three Phase Inverters Based on Linear Programming". TRANSACTIONS ON ELECTRICAL ENGINEERING 8, n.º 3 (30 de marzo de 2020): 44–48. http://dx.doi.org/10.14311/tee.2019.3.044.

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Traditional three-phase voltage-source inverters supplied by constant dc-link voltage usually utilize the space vector PWM to achieve maximum output voltage. This paper deals with optimization of inverter leg voltages using linear programming method. System definition is based on the relationship between the known voltage vector, which is demanded by an upper control loop and the unknown leg voltages which enter the carrier-based PWM block as modulation signals. A slack variable is introduced to the system as minimization objective, defining border for all leg voltages. Optimization procedure minimizes leg voltage maxima, and thus, the maximum utilization of the dc-link voltage is ensured. The theoretical assumptions have been verified by simulations as well as by experiments on laboratory prototype.

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41

Mohanty, Kant y Ranganath Muthu. "Microcontroller based PWM controlled four switch three phase inverter fed induction motor drive". Serbian Journal of Electrical Engineering 7, n.º 2 (2010): 195–204. http://dx.doi.org/10.2298/sjee1002195m.

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This paper presents PIC microcontroller based PWM inverter controlled four switch three phase inverter (FSTPI) fed Induction Motor drive. The advantage of this inverter that uses of 4 switches instead of conventional 6 switches is lesser switching losses, lower electromagnetic interference (EMI), less complexity of control algorithms and reduced interface circuits. Simulation and experimental work are carried out and results presented to demonstrate the feasibility of the proposed approach. Simulation is carried out using MATLAB SIMULINK and in the experimental work a prototype model is built to verify the simulation results. PIC microcontroller (PIC 16F877A) is used to generate the PWM pulses for FSTPI to drive the 0.5 hp 3-phase Induction Motor.

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42

Shadab, Mirza Mohammad, Mohammad Arifuddin Mallick, Mohammad Tufail y M. S. Jamil Asghar. "Development of a Novel Three Phase Grid-Tied Multilevel Inverter Topology". International Journal of Power Electronics and Drive Systems (IJPEDS) 7, n.º 3 (1 de septiembre de 2016): 826. http://dx.doi.org/10.11591/ijpeds.v7.i3.pp826-834.

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The conventional line-commutated ac-to-dc converters/ inverters have square-shaped line current. It contains higher-order harmonics which generates EMI and it causes more heating of the core of distribution or power transformers. PWM based inverters using MOSFET/IGBT have higher switching losses, and the power handling capability and reliability are quite low in comparison to thyristors/ SCR. A thyristor based forced commutated inverters are not suitable for PWM applications due to the problems of commutation circuits. A pure sinusoidal voltage output or waveform with low harmonic contents is most desirable for ac load using dc to ac conversion. This paper presents a new multilevel inverter topology in which three phase ac- to-dc converter circuits are used in inversion mode by controlling the switching angle. Due to natural commutation, no separate circuit is required for synchronization. In this paper simulation and analysis are done for grid-tied three-phase 6-pulse, Two three-phase, 3-pulse and 12-pulse converter. These converters are analysed for different battery voltage and different switching angle combinations in order to reduce the total harmonic distortion (THD). Three-phase harmonic filters are further added to the grid side to reduce the harmonic content in the line current. A comparative study of these converters is also presented in this paper.

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43

Tran, Van-Thuan, Minh-Khai Nguyen, Cao-Cuong Ngo y Youn-Ok Choi. "Three-Phase Five-Level Cascade Quasi-Switched Boost Inverter". Electronics 8, n.º 3 (6 de marzo de 2019): 296. http://dx.doi.org/10.3390/electronics8030296.

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This paper presents a three-phase cascaded five-level H-bridge quasi-switched boost inverter (CHB-qSBI). The merits of the CHB-qSBI are as follows: single-stage conversion, shoot-through immunity, buck-boost voltage, and reduced passive components. Furthermore, a PWM control method is applied to the CHB-qSBI topology to improve the modulation index. The voltage stress across power semiconductor devices and the capacitor are significantly lower using improved pulse-width modulation (PWM) control. Additionally, by controlling individual shoot-through duty cycle, the DC-link voltage of each module can achieve the same values. As a result, the imbalance problem of the DC-link voltage can be solved. A detailed analysis and operating principle with the modulation scheme and comprehensive comparison for the CHB-qSBI are illustrated. The experimental and simulation results are presented to validate the operating principle of the three-phase CHB-qSBI.

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44

Abirami, R., V. Jaikrishna, N. Chellammal, Dash Sekar Subhransu y V. Velmurugan. "Three Phase Hybrid 7-Level Inverter with 60 Degree PWM Scheme for PV Applications". Advanced Materials Research 768 (septiembre de 2013): 84–89. http://dx.doi.org/10.4028/www.scientific.net/amr.768.84.

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In this paper, a hybrid multilevel inverter (MLI) with reduced number of components is modelled by deriving its source from solar PV array. The power switches of this MLI are controlled by utilizing the pulses derived by comparing the reference and carrier signal. The reference signal for the modulation process is based on 60 degree PWM. The carriers considered for the modulation process are triangular carrier wave and inverted sine carrier wave arranged in phase Disposition (PD) multicarrier method. The output voltage waveform of this hybrid MLI under consideration is analyzed with different performance parameters like Total Harmonic Distortion (THD), RMS Voltage, DC utilization Rate and harmonic spectrum. The simulation results show that the inverted sine based PD technique is yielding better performance than that of other technique. The above mentioned are examined with the help of MATLAB / SIMULINK.

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45

Bouyakoub, Ismail, Rachid Taleb, Hacene Mellah y Abdelaziz Zerglaine. "Implementation of space vector modulation for two level Three-phase inverter using dSPACE DS1104". Indonesian Journal of Electrical Engineering and Computer Science 20, n.º 2 (1 de noviembre de 2020): 744. http://dx.doi.org/10.11591/ijeecs.v20.i2.pp744-751.

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With increasing research and advancement in solid-state power electronic devices and microprocessors, various inverter control techniques employing Pulse Width Modulation (PWM) are becoming popular especially in AC motor drive applications. The most commonly used techniques are Sinusoidal PWM (SPWM) and Space Vector modulation PWM (SVPWM). SVPWM is considered to be superior to the SPWM because of better DC bus utilization. In this paper, a real-time digital implementation of SVPWM algorithm for three-phase two level inverter using dSPACE DS1104. The results obtained from the experimentation are closer to that of simulation, which confirms the validity of the implemented algorithm.

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46

Albatran, Saher, Issam A. Smadi y Mohammad A. Alsyouf. "Experimental Validation of Shared Inverter Topology to Drive Multi AC-Loads". International Journal of Electrical and Computer Engineering (IJECE) 8, n.º 2 (1 de abril de 2018): 793. http://dx.doi.org/10.11591/ijece.v8i2.pp793-805.

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Many reduced-switch-count (RSC) inverter topologies have been proposed in the literature. As the number of switches required to produce a set of voltages in RSC inverters are less than that in conventional inverter, as a result utilizing RSC inverters in a certain system reduces its size and cost. In this paper, a novel RSC shared inverter topology consisting of fifteen switches and capable of driving four three-phase AC-loads independently is proposed and experimentally verified. A carrier-based pulse width modulation (PWM) technique that employs the zero-sequence-signal injection principle is developed to drive the proposed inverter along with adequate DC voltage bus utilization between the shared loads for common frequency (CF) as well as different frequency (DF) modes. The structure and the principle of operation of the proposed inverter are introduced and intensively verified using simulation and field-programmable-gate-array (FPGA)-in-the-loop simulation under linear and nonlinear loads. Then, Inverter prototype was built and the proposed inverter has been verified experimentally. The experimental results verify the applicability of the proposed inverter and the employed PWM.

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47

Soufi, Y., T. Bahi, M. F. Harkat y M. Mohammedi. "Fault Diagnosis Methods for Three Phase PWM Inverter Fed Induction Motor". International Journal on Engineering Applications (IREA) 6, n.º 4 (31 de julio de 2018): 122. http://dx.doi.org/10.15866/irea.v6i4.16022.

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Biswas, Sujit K., B. Basak, S. Sathiakumar y Joseph Vithayathil. "A New Three-Phase Current Source Inverter with Flexible PWM Capability". IEEE Transactions on Industry Applications IA-23, n.º 5 (septiembre de 1987): 921–26. http://dx.doi.org/10.1109/tia.1987.4505003.

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Akima, Masahiro, Akihiro Konishi, Kazuhiro Umetani y Eiji Hiraki. "Thermal design of three-phase PWM inverter using aluminum core PCB". Journal of the Japan Institute of Power Electronics 46 (2020): 114. http://dx.doi.org/10.5416/jipe.46.114.

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Chen, Guo Qiang y Jun Jie Huang. "Simulation Analysis of Three-Phase Inverter DC Link Current". Applied Mechanics and Materials 229-231 (noviembre de 2012): 2015–18. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.2015.

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The DC link current spectrum has important effects on the active state and life of the battery cell and the bus capacitance in the three-phase inverter. Based on the load of PMSM (Permanent Magnet Synchronous Motor), the DC link current characteristics are presented intuitively using the computer simulation. The paper discusses the method and procedure to the simulation model that includes several key modules: PWM module, inverter module, and PMSM module. The simulating results are presented and analyzed.

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