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Relevant bibliographies by topics / DC-bus voltage ripple reduction

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Academic literature on the topic 'DC-bus voltage ripple reduction'

Author: Grafiati

Published: 3 August 2021

Last updated: 1 February 2022

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Journal articles on the topic "DC-bus voltage ripple reduction"

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Hassan, Turki Kahawish. "Reduction of single DC bus capacitance in photovoltaic cascaded multilevel converter." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 3 (2020): 1660. http://dx.doi.org/10.11591/ijpeds.v11.i3.pp1660-1674.

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<span lang="EN-US">This paper presented single DC bus single phase seven level cascaded H-bridge (CHB) inverter for multi-panel photovoltaic grid-connected applications. A single DC bus supplying flyback converters to produce DC link voltages for CHB cells is suggested. A balanced operation of CHB inverter cells is obtained irrespective to power unbalance occurred by individual maximum power point tracking boost converter of photovoltaic (PV) panels due to the non-uniform irradiation and partial shading. A DC bus voltage control system with addition of estimated DC bus ripple voltage to

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Rao, Ch N. Narasimha, G. Durga Sukumar, and R. Vinod Kumar. "Torque Ripple Reduction in Brushless DC Motor by Using SPWM and SVPWM Techniques." International Journal of Engineering & Technology 7, no. 4.24 (2018): 71. http://dx.doi.org/10.14419/ijet.v7i4.24.21858.

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Brushless DC motors have the large applications because of its easiest control system and the highest efficiency. Industrial BLDC motor drives suffers from the ripples in the torque, due to which motor has more noise, vibrations and less efficient. To reduce the ripple, the Space Vector PWM (SVPWM) and Sinusoidal PWM are implemented in BLDC drive. The Pulse Width Modulation (PWM) controls the converter output voltage and frequency. Space Vector PWM (SVPWM)and Sinusoidal PWM are the best techniques used in industries because its easy design. Space Vector PWM control method is implemented and it

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Kobori, Yasunori, Yi Fei Sun, Minh Tri Tran, Anna Kuwana, and Haruo Kobayashi. "EMI Noise Reduction of DC-DC Switching Converters with Automatic Output Ripple Cancellation." Advanced Engineering Forum 38 (November 2020): 157–70. http://dx.doi.org/10.4028/www.scientific.net/aef.38.157.

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This paper proposes new EMI reduction technologies and automatic output voltage ripple cancellation method for the PWM buck converter with voltage-mode or current-mode and the ripple-controlled converters. Genenrally, modfying the clock frequeny is effective to reduce the EMI noise, but it may increase the output ripple substantially. We have developed techniques to cancel the increased ripple by modifying the slope of the saw-tooth signal or current of the ripple injection circuit. The EMI spectrum of the operating frequency is reduced by more than 15dB and the modified large ripple is cancel

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Jaroenkiattrai, Jedsada, and Viboon Chunkag. "Voltage Ripple Reduction in Voltage Loop of Voltage Source Converter." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 2 (2017): 869. http://dx.doi.org/10.11591/ijpeds.v8.i2.pp869-881.

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In order to achieve a good dynamical response of a full-bridge AC-DC voltage source converters (VSC). The bandwidth of PI controller must be relatively wide. This leads to the voltage ripple produced in the control signal, as known that its ripple frequency has twice of the line frequency and cause the 3rd harmonic of an input current. A Ripple Voltage Estimator (RVE) algorithm and Feed-Forward Compensation (FFC) algorithm are proposed and added to the conventional control. The RVE algorithm estimated the ripple signal to subtract it occurring in the voltage loop. As a result, the 3rd harmonic

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Yousef, Eyad Yousef Ibrahim, and Paulo César Vargas Luz. "Redução da capacitância de barramento em driver para alimentação de LEDS." Ciência e Natura 42 (February 7, 2020): 49. http://dx.doi.org/10.5902/2179460x40623.

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This paper presents the performance evaluation of control techniques for the reduction of capacitors in drivers for actuation LED.Through the active control of the driver output current, the ripple from the PFC stage of the current can be controlled, keeping itat levels appropriate to the technical standards, being IEC 61000-3-2 Class C and IEEE 1789. This control allows the outputvoltage ripple to vary at higher amplitude levels, allowing the use of a lower capacitance bus capacitor, therefore longer life usefuland reliability.The analyzed electronic system consists of the Buck-Boost converte

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Faraj, Karrar Saad, and Jasim F. Hussein. "Analysis and Comparison of DC-DC Boost Converter and Interleaved DC-DC Boost Converter." Engineering and Technology Journal 38, no. 5A (2020): 622–35. http://dx.doi.org/10.30684/etj.v38i5a.291.

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The step-up converters are widespread use in many applications, including powered vehicles, photovoltaic systems, continuous power supplies, and fuel cell systems. The reliability, quality, maintainability, and reduction in size are the important requirements in the energy conversion process. Interleaving method is one of advisable solution for heavy-performance applications, its harmonious in circuit design by paralleling two or more identical converters. This paper investigates the comparison performance of a two-phase interleaved boost converter with the traditional boost converter. The inv

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Binu, Baby K., and George Saly. "Reduction of torque ripple due to phase current commutation in BLDC motor using two-level DC bus voltage." International Journal of Industrial Electronics and Drives 1, no. 2 (2014): 105. http://dx.doi.org/10.1504/ijied.2014.059224.

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Tcai, Anatolii, Ibrahim Mohd Alsofyani, In-Yong Seo, and Kyo-Beum Lee. "DC-link Ripple Reduction in a DPWM-Based Two-Level VSI." Energies 11, no. 11 (2018): 3008. http://dx.doi.org/10.3390/en11113008.

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This paper proposes a new method to reduce the ripple current of the DC-link capacitor in a two-level voltage source inverter (VSI), with a discontinuous pulse-width modulation (DPWM). In real applications, a capacitor block is very bulky, due to the parallel connection of several capacitors that share the value of the ripple current. Hence, it contributes significantly to the volume and weight of the whole system. Conventional DPWM is used to minimize the amount of switching for the power transistors, therefore, reducing stress and power loss. This leads to increased efficiency and reliabilit

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Wu, Guo Zeng, and Quan Lin Dong. "The Establishment and Analysis of Bidirectional Cockcroft-Walton Circuit Model." Applied Mechanics and Materials 865 (June 2017): 206–11. http://dx.doi.org/10.4028/www.scientific.net/amm.865.206.

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High voltage DC power supply is very important in laser and high precision instruments, so the stability of high voltage DC power supply has an affect on the stability of laser and equipment. The voltage doubling rectifier circuit is the core component of the high voltage generator, so it is very important to study the stability of the voltage doubling rectifier circuit. Through the study of bidirectional rectifier circuit, double voltage rectifier circuit produces an output ripple and response time is superior than the basic voltage rectifier circuit. At the same time to study the bidirection

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Xia, Jia Kuan, Ye Yuan, and Wei Huang. "Torque Ripple Reduction of Brushless DC Servo Motor Using Full EMF Feedback." Advanced Materials Research 383-390 (November 2011): 4878–83. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.4878.

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Torque ripple reduction of the brushless DC motor has been the main issue of the servo drives in which the speed fluctuation and the vibration should be minimized. Un-ideal back EMF (electromagnetic force) usually induces distinct torque ripple. A full EMF feedback strategy is presented in order to effectively reduce torque ripple. The relationship between the terminal voltage of auxiliary winding and the back EMF of brushless DC motor are investigated, and the back EMF can be measured on-line by using the auxiliary winding, the q-axis current for a constant torque to produce is calculated thr

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Dissertations / Theses on the topic "DC-bus voltage ripple reduction"

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Nguyen, Tam Khanh Tu. "Evaluation of Active Capacitor Banks for Floating H-bridge Power Modules." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/104466.

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The DC-side floating capacitors in the floating power modules of power converters are subject to high voltage fluctuation, due to the presence of reactive harmonic components. Utilizing passive capacitors, as done in traditional methods, helps reduce the DC-bus voltage ripple but makes the system bulky. An active capacitor can be integrated with the floating H-bridge power modules to remove the effect of the ripple powers on the DC bus. The auxiliary circuit, which is much smaller in size compared to an equivalent passive capacitor, helps increase the power density of the system. This work foc

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Ninad, Nayeem Ahmed. "Operation of a single-phase grid connected inverter with large DC bus voltage ripple for distributed generation." Thesis, 2008. http://spectrum.library.concordia.ca/976083/1/MR42495.pdf.

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Distributed generation (DG) looks promising for meeting the increasing energy demand with reduced environmental impact. Traditionally, the electric power plants are located far from load centers. DG units based on Photovoltaic (PV), wind, fuel cell etc. can be installed at the distribution level close to the loads, thus reducing investments in the utility's infrastructure. Distributed energy resources, DG plus storage, are connected to the grid by means of power electronic converters. Normally, a single-phase voltage source inverter (VSI) is used as a power interface for low power (< 10 kVA) c

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ZHENG, YU-XIANG, and 鄭宇翔. "Three-level Neutral Point Clamped (NPC) Rectifier Using DC-Bus Voltage Ripple Analysis under Unbalanced Grid Source." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/7933z5.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>107<br>This thesis proposes a control strategy for a three-level diode clamped ac/dc converter to achieve balanced line current under unbalanced ac source. Consequently, through the control scheme proposed, in this paper, it can not only balance input current but also reduce dc output voltage ripple when three-phase neutral-point clamped rectifier works on input voltage unbalance condition. The proposed strategy is based on the ripple characteristics in the dc filter capacitors deployed in the dc output. The ac ripples contained in the dc voltages of the filter capac

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Book chapters on the topic "DC-bus voltage ripple reduction"

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Kumar, Niraj, and Vishnu Mohan Mishra. "Comparative Critical Analysis of Artificial Intelligent Technique and Conventional Control Technique Applied in Series Filter for Harmonic Reduction." In Applications of Artificial Intelligence in Electrical Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2718-4.ch008.

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Series active filters, besides the dc voltage regulators, incorporate controller such as voltage controller and hysteresis band controllers, etc.. The conventional PI controller suffers from the significant drawback of having a high content of ripples and the low speed due to variable switching frequency caused by the usage of hysteresis controllers. In order to overcome this shortcoming, two different control strategies (i.e., sinusoidal fryze voltage control and adaptive tabu search-sinusoidal fryze voltage control strategy) have been developed in this research work. The performance of SAFs has been analyzed by using these current control strategies. The proposed ATS-SFV control strategy based voltage controller yielded better performance as compared to those obtainable from the SFV control strategy. The comparisons of the proposed strategies among themselves facilitate a need-based selection of them for the supply system. To realize these control strategies, MATLAB/Simulink-based models have been developed for simulation.

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Conference papers on the topic "DC-bus voltage ripple reduction"

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Sagert, Conrad, Markus Walter, and Oliver Sawodny. "DC/DC converter control for voltage ripple reduction in electric vehicles." In 2016 IEEE International Conference on Advanced Intelligent Mechatronics (AIM). IEEE, 2016. http://dx.doi.org/10.1109/aim.2016.7576973.

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Paul Glady, J. Barnabas, and K. Manjunath. "Ripple Reduction and Improving Voltage Regulation in a Dc to Dc Converter." In 2018 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC). IEEE, 2018. http://dx.doi.org/10.1109/iccic.2018.8782331.

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Zhong, Qing-Chang, Wen-Long Ming, Xin Cao, and Miroslav Krstic. "Reduction of DC-bus voltage ripples and capacitors for single-phase PWM-controlled rectifiers." In IECON 2012 - 38th Annual Conference of IEEE Industrial Electronics. IEEE, 2012. http://dx.doi.org/10.1109/iecon.2012.6388665.

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Yuan, X. B., Y. D. Li, J. Y. Chai, and J. Wang. "DC-link voltage ripple reduction for a transformerless modular wind generator system." In 5th IET International Conference on Power Electronics, Machines and Drives (PEMD 2010). Institution of Engineering and Technology, 2010. http://dx.doi.org/10.1049/cp.2010.0042.

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Hou, Hongsheng, and Weiguo Liu. "Commutation torque ripple reduction in brushless DC motor based on equivalent voltage coefficient control." In 2013 International Conference on Mechatronic Sciences, Electric Engineering and Computer (MEC). IEEE, 2013. http://dx.doi.org/10.1109/mec.2013.6885561.

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Deng, Xu, and Barrie Mecrow. "A Direct Energy Control Technique for Torque Ripple and DC-link Voltage Ripple Reduction in Switched Reluctance Drive Systems." In 2020 International Conference on Electrical Machines (ICEM). IEEE, 2020. http://dx.doi.org/10.1109/icem49940.2020.9270705.

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Fassinou, Fidegnon, Haifeng Wang, Lalitha Devarakonda, and Tingshu Hu. "Observer-based method for reduction of dc-link voltage ripple in two-stage boost inverters." In 2014 American Control Conference - ACC 2014. IEEE, 2014. http://dx.doi.org/10.1109/acc.2014.6858705.

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Goravanchi, Peyman, Ralf Wunderlich, and Stefan Heinen. "On-chip AC/DC converter with no-load over-voltage protection and output ripple reduction." In 2013 IEEE 18th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD). IEEE, 2013. http://dx.doi.org/10.1109/camad.2013.6708102.

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Jeyaraman, R., and C. N. Ravi. "Low-frequency DC Input current ripple Reduction in a Two-stage Single-Phase Inverter using DC Input Voltage control." In 2020 6th International Conference on Advanced Computing and Communication Systems (ICACCS). IEEE, 2020. http://dx.doi.org/10.1109/icaccs48705.2020.9074204.

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Zhang, Xuning, Dushan Boroyevich, and Rolando Burgos. "Hybrid modulation for neutral point voltage ripple reduction in DC-fed three-level motor drive Systems." In 2015 9th International Conference on Power Electronics and ECCE Asia (ICPE 2015-ECCE Asia). IEEE, 2015. http://dx.doi.org/10.1109/icpe.2015.7167798.

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