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Relevant bibliographies by topics / Neutral-point-clamped Inverter

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Academic literature on the topic 'Neutral-point-clamped Inverter'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 June 2025

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Journal articles on the topic "Neutral-point-clamped Inverter"

1

Saha, Akshay Kumar. "Grid-Connected PEM Fuel Cell with Multi-Pulse Multilevel Inverter." International Journal of Engineering Research in Africa 49 (June 2020): 54–67. http://dx.doi.org/10.4028/www.scientific.net/jera.49.54.

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Application of multi-pulse multilevel inverters is considered in this paper for distributed generation. A five-level twelve-pulse neutral point clamped inverter has been combined with a proton exchange membrane fuel cell in order to investigate load following characteristics of the fuel cell. The fuel cell implemented with a three-phase multi-pulse multilevel inverter is adept of delivering single-phase and three-phase loads both in islanded and grid-connected approach. Changes in power demand from no-load to full-load (120 kW) have been applied to study the characteristics of the system from the perspective of how it can follow the load changes in load demand. It has been observed that the fuel cell model is adept of following power request as per requirement; however, there is a response time of few seconds, because the reformer for the fuel cell requires time to generate fuel and the fuel cell requires time for chemical reactions to take place in it. Implementations of six-pulse and twelve-pulse five-level neutral point clamped and flying capacitor inverters show that total harmonic distortions for six-pulse and twelve-pulse five-level neutral point clamped inverters to be 1.066219% and 0.406149% respectively as compared to 2.466889% and 1.5104075% for flying capacitor inverters. It has been observed that with twelve-pulse neutral point clamped inverter, the output voltage waveform is smoother and close to sinewave. The results of the research work is presented with analyses to validate that multi-pulse multilevel neutral point clamped inverter is a better way out for the fuel cell power generation model as this type of inverters produces smoother waveforms to improve power quality with lower harmonics.

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2

Aravindan, M., V. Balaji, V. Saravanan, and M. Arumugam. "Neutral point clamped quasi Z source inverter for photovoltaic systems." International Journal of Applied Power Engineering (IJAPE) 8, no. 3 (2019): 277. http://dx.doi.org/10.11591/ijape.v8.i3.pp277-286.

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<p>Multilevel inverters are becoming popular for power conversion in renewable energy systems, AC-DC hybrid micro grids etc. The voltage stress and inrush current through these inverter leg switches are quite higher as compared to the load ratings which increase the chances of inverter leg switch failure. A three level neutral point clamped quasi Z source inverter topology is discussed in this paper which has the features of lower component count, reduced capacitor voltage stress, and it can be operated at different control strategies to achieve wide range of voltage boosting ability, suited for photovoltaic (PV) systems. It also ensures continuous input current irrespective of the DC supply voltage variations and injects stable and smooth power to the load/grid. The effectiveness of the proposed inverter is verified by simulation results in MATLAB Simulink model as well as performing experiment with the help of a laboratory prototype.</p>

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3

Kwak, Sangshin. "Neutral Point Clamped Inverter Based PDP Driver." Journal of Display Technology 9, no. 12 (2013): 977–84. http://dx.doi.org/10.1109/jdt.2013.2274096.

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4

Edwin Deepak, F. X., and 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, no. 5 (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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5

Szular, Zbigniew, Bartosz Rozegnal, and Witold Mazgaj. "A New Soft-Switching Solution in Three-Level Neutral-Point-Clamped Voltage Source Inverters." Energies 14, no. 8 (2021): 2247. http://dx.doi.org/10.3390/en14082247.

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This paper presents a new soft-switching solution recommended for three-level neutral-point-clamped inverters. The operation principles of the proposed solution, working stages, selection of elements, and the control algorithm are comprehensively discussed herein. The control method of the inverter main switches is the same as that of the switches of an inverter operating according to the hard-switching technique. The correctness of the proposed solution was confirmed by the results of different tests using a laboratory neutral-point-clamped inverter with rated parameters of 3 kW, 2 × 150 V, 12 A, and 3 kHz. Numerical analyses were performed for the inverter of rated power 1.2 MW. The switching losses of the inverter operating with the proposed solution were compared with those of an inverter with hard-switching method. The proposed soft-switching solution increased the inverter efficiency and its competitiveness in relation to other proposals because there were no connections between switches and capacitors or inductors, which pose a risk of damaging the inverter when disturbances in the control system appear.

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6

Elmenofy, Ghada, Dina Osheba, Elwy Elkholy, and Abbas El-Hefnawy. "A Proposed Five-level Neutral Point Clamped Inverter." ERJ. Engineering Research Journal 44, no. 2 (2021): 135–40. http://dx.doi.org/10.21608/erjm.2021.58129.1072.

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7

Loh, Poh Chiang, Feng Gao, Frede Blaabjerg, Shi Yun Charmaine Feng, and Kong Ngai Jamies Soon. "Pulsewidth-Modulated $Z$-Source Neutral-Point-Clamped Inverter." IEEE Transactions on Industry Applications 43, no. 5 (2007): 1295–308. http://dx.doi.org/10.1109/tia.2007.904422.

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8

He, Yuyao, Hailong Liu, Wei Feng, and Jie Li. "Novel Cascaded Z-Source Neutral Point Clamped Inverter." Chinese Journal of Electronics 25, no. 5 (2016): 965–73. http://dx.doi.org/10.1049/cje.2016.08.045.

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9

Baimel, Dmitry, and Saad Tapuchi. "A New Topology of Five-Level Neutral Point Clamped Inverter for Motion Control Systems." Applied Mechanics and Materials 432 (September 2013): 336–40. http://dx.doi.org/10.4028/www.scientific.net/amm.432.336.

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The paper presents a new topology of 5-level neutral point clamped inverter that can be used for speed and torque control of synchronous and induction motors. The proposed topology has only two bi-directional and four standard IGBT switches per phase. The significant advantages of the proposed inverter are simpler control and lower number of switches than in the standard 5-level inverters. Extensive simulation results validate the practicability of the proposed inverter. Several aspects as Total Harmonic Distortion Factor of the inverter output currents, and voltages, harmonic content, and frequency spectrum distribution are studied.

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10

Andrade, Abinadabe, and Edison Silva. "Three-level Neutral Point Clamped Inverter Fed By A Photovoltaic System Under Partial Shading." Eletrônica de Potência 21, no. 4 (2016): 305–12. http://dx.doi.org/10.18618/rep.2016.4.2637.

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