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Journal articles on the topic 'Inherent Capacitor Balancing'

Author: Grafiati

Published: 6 September 2023

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1

Hussan, Md Reyaz, Adil Sarwar, Irfan Khan, Mohd Tariq, Mohammad Tayyab, and Waleed Alhosaini. "An Eleven-Level Switched-Capacitor Inverter with Boosting Capability." Electronics 10, no. 18 (2021): 2262. http://dx.doi.org/10.3390/electronics10182262.

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An 11-level switched-capacitor multilevel inverter (SCMLI) with 2.5 times boosting feature is presented in this paper. It can produce an 11-level output voltage waveform by utilizing 14 switches, 3 capacitors, 2 diodes, and 1 DC source. Only nine driver circuits are needed as the topology has three pairs of complementary switches and two bidirectional switches. It has inherent capacitor self-balancing property as the capacitors are connected across the DC voltage source during several states within a fundamental cycle to charge the capacitors to the input voltage. A detailed comparison shows t

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2

Benyoussef, Elakhdar, and Said Barkat. "Five-level DTC-ANN with Balancing Strategy of DSIM." International Journal of Energy 16 (May 17, 2022): 52–59. http://dx.doi.org/10.46300/91010.2022.16.8.

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This paper presents an artificial neural networks controller devoted to improve the performance of direct torque control strategy of double star induction machine fed by two five-level diode-clamped inverters. The resulting control scheme presents enough degrees of freedom to control both torque and flux with very low ripple and high dynamics. Unfortunately, the diode-clamped inverter has an inherent problem of DC-link capacitors voltages variations. To overcome this problem, an artificial neural network based direct torque control with balancing strategy is proposed to suppress the unbalance

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3

Jena, Kasinath, Krishna Kumar Gupta, Pallavee Bhatnagar, et al. "Single-source three-phase switched-capacitor-based MLI." Power Electronics and Drives 7, no. 1 (2022): 197–209. http://dx.doi.org/10.2478/pead-2022-0015.

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Abstract This article proposes a novel three-phase inverter based on the concept of switched capacitors (SCs), which uses a single DC source. A three-phase, seven-level line-to-line output voltage waveform is synthesised by the proposed topology, which includes eight switches, two capacitors, and one diode per phase leg. The proposed topology offers advantages in terms of inherent voltage gain, lower voltage stresses on power switches, and a reduced number of switching components. Additionally, the switched capacitors are self-balanced, thereby eliminating the need for a separate balancing cir

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4

Upadhyay, Deepak, Shahbaz Ahmad Khan, Mohammad Ali, et al. "Experimental Validation of Metaheuristic and Conventional Modulation, and Hysteresis Control of the Dual Boost Nine-Level Inverter." Electronics 10, no. 2 (2021): 207. http://dx.doi.org/10.3390/electronics10020207.

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In this article, various modulation strategies and hysteresis-band control of a recently introduced dual-boost nine-level inverter (DB9LI) are implemented. DB9LI is a switched capacitor based inverter capable of generating symmetrical nine output voltage levels by employing a single DC source. The topology generates a boosted bipolar voltage at the output side without applying end-side H-bridge (usually employed to generate negative levels), which contrasts with some of the switched-capacitor topologies. The capacitors employed have an inherent self-balancing feature. Additionally, due to lowe

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5

Ricco, Mattia, Laszlo Mathe, Eric Monmasson, and Remus Teodorescu. "FPGA-Based Implementation of MMC Control Based on Sorting Networks." Energies 11, no. 9 (2018): 2394. http://dx.doi.org/10.3390/en11092394.

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In Modular Multilevel Converter (MMC) applications, the balancing of the capacitor voltages is one of the most important issues for achieving the proper behavior of the MMC. The Capacitor Voltage Balancing (CVB) control is usually based on classical sorting algorithms which consist of repetitive/recursive loops. This leads to an increase of the execution time when many Sub-Modules (SMs) are employed. When the execution time of the balancing is longer than the sampling period, the proper operation of the MMC cannot be ensured. Moreover, due to their inherent sequential operation, sorting algori

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6

Azimi, Erfan, Aryorad Khodaparast, Mohammad Javad Rostami, et al. "X-Type Step-Up Multi-Level Inverter with Reduced Component Count Based on Switched-Capacitor Concept." Electronics 9, no. 12 (2020): 1987. http://dx.doi.org/10.3390/electronics9121987.

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This paper aims to present a novel switched-capacitor multi-level inverter. The presented structure generates a staircase near sinusoidal AC voltage by using a single DC source and a few capacitors to step-up the input voltage. The nearest level control (NLC) strategy is used to control the operation of the converter. These switching states are designed in a way that they always ensure the self-voltage balancing of the capacitors. Low switching frequency, simple control, and inherent bipolar output are some of the advantages of the presented inverter. Compared to other existing topologies, the

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7

Al gabalawy, Mostafa, Ramy M. Hossam, Shimaa A. Hussien, and Nesreen S. Hosny. "Switched capacitor based multi-level boost inverter for smart grid applications." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 5 (2021): 3772. http://dx.doi.org/10.11591/ijece.v11i5.pp3772-3781.

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To link DC power sources to an AC grid, converters are needed. Inverters are the power electronic devices, which are used for this purpose. Conventional inverters employ harmonic filters and transformers that are lossy and expensive. Multilevel inverters (MLIs) are an alternative to conventional ones, proposing reduced total harmonic distortion (THD), increased range of control, and inductor-less design. They generate a stepped waveform, with close similarity to a sine wave. Many distributed sources may be employed in a smart grid. If those sources have minimal THD, the filtering process could

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8

Khodaparast, Aryorad, Erfan Azimi, Ali Azimi, M. Ebrahim Adabi, Jafar Adabi, and Edris Pouresmaeil. "A New Modular Multilevel Inverter Based on Step-Up Switched-Capacitor Modules." Energies 12, no. 3 (2019): 524. http://dx.doi.org/10.3390/en12030524.

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A new structure of switched capacitor multilevel inverter (SCMLI) capable of voltage boosting and with self-balancing ability is introduced in this article. This advantage is the result of a step by step rise of capacitor voltages in each module, supplied by just one DC voltage source. The proposed topology generates a sinusoidal output waveform with a magnitude several times greater than the input one. Higher output staircase AC voltage is obtained by applying a nearest level control (NLC) modulation technique. The most significant features of this configuration can be mentioned as: fewer sem

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9

Bonala, Anil Kumar, Srinivasa Rao Sandepudi, and Vishnu Prasad Muddineni. "Selective finite‐states model predictive control of grid interfaced three‐level neutral point clamped photovoltaic inverter for inherent capacitor voltage balancing." IET Power Electronics 11, no. 13 (2018): 2072–80. http://dx.doi.org/10.1049/iet-pel.2018.5021.

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10

Satish Naik, B., L. Umanand, K. Gopakumar, and B. Subba Reddy. "A New Two-Phase Five-Level Converter for Three-Phase Isolated Grid-Tied Systems With Inherent Capacitor Balancing and Reduced Component Count." IEEE Journal of Emerging and Selected Topics in Power Electronics 6, no. 3 (2018): 1325–35. http://dx.doi.org/10.1109/jestpe.2018.2805520.

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11

Priya, Murthy, and Pathipooranam Ponnambalam. "Circulating Current Control of Phase-Shifted Carrier-Based Modular Multilevel Converter Fed by Fuel Cell Employing Fuzzy Logic Control Technique." Energies 15, no. 16 (2022): 6008. http://dx.doi.org/10.3390/en15166008.

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The contribution of the modular multilevel converter (MMC) in integrating non-conventional energy sources into the grid is significant; the integration of fuel cells with distributed energy sources is especially prominent as they provide a constant voltage and current for constant load applications. Still, there is a high demand for a high-quality power conditioning unit since there is an occurrence of frequent power spikes. Further, the circulating current (CC) in phase legs is an inherent phenomenon of MMC that must be mitigated. Hence, this article proposed an MMC incorporating a fuzzy logi

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12

Liu, Yan, Xu Wang, and Yan Xing. "Research on SVPWM Method and its Neutral Point Potential Control." Advanced Engineering Forum 2-3 (December 2011): 39–42. http://dx.doi.org/10.4028/www.scientific.net/aef.2-3.39.

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Neutral-point potential unbalance is an inherent problem of Neutral-point-clamped three-level PWM rectifiers. If the problem of neutral point can’t be controlled appropriately, the harm of input current will increase, and even the dc-link capacitor and switches will be destroyed. Thus domestic and foreign experts have done lots of research on the balance control of Neutral-point-clamed and put forward many effective control methods. This paper proposes a novel SVPWM strategy for the three-level neutral-point-clamped voltage source inverter, based on the particular disposition of all the redund

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13

Darbas, Corentin, Jean-Christophe Olivier, Nicolas Ginot, Frédéric Poitiers, and Christophe Batard. "Cascaded Smart Gate Drivers for Modular Multilevel Converters Control: A Decentralized Voltage Balancing Algorithm." Energies 14, no. 12 (2021): 3589. http://dx.doi.org/10.3390/en14123589.

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Recent Modular Multilevel Converter (MMC) topology allows for drastic improvements in power electronic conversion such as higher energy quality, lower power semiconductors electrical stress, decreased Electro-Magnetic Interferences (EMI), and reduced switching losses. MMC is widely used in High Voltage Direct-Current (HVDC) transmissions as it offers, theoretically, no voltage limit. However, its control electronic structure is not modular itself. Especially, the insulation voltage between the submodule gate drivers’ primaries and secondaries depends on the number of submodules. The converter

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14

Kim, Jae-Myeong, Geum-Seop Song, and Jae-Jung Jung. "Zero-Sequence Voltage Injection Method for DC Capacitor Voltage Balancing of Wye-Connected CHB Converter under Unbalanced Grid and Load Conditions." Energies 14, no. 4 (2021): 1019. http://dx.doi.org/10.3390/en14041019.

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Leg capacitor energy balancing control is one of the crucial issues for stable operation of a cascaded H-bridge (CHB) converter. Because this topology inherently consists of numerous submodule cells with DC capacitors, the cell voltages and leg capacitor energy instantaneously fluctuate depending on operation sequence of the CHB converter. In general, a wye-connected CHB-converter-based static synchronous compensator (STATCOM) utilizes a zero-sequence voltage component for leg capacitor energy balancing. In this paper, to improve the dynamics of leg energy balancing control, a feedforward calc

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15

Jena, Kasinath, Dhananjay Kumar, B. Hemanth Kumar, et al. "A Single DC Source Generalized Switched Capacitors Multilevel Inverter with Minimal Component Count." International Transactions on Electrical Energy Systems 2023 (June 3, 2023): 1–12. http://dx.doi.org/10.1155/2023/3945160.

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This paper presents a new single-source switched capacitor- (SC-) based multilevel inverter (MLI) design with a boosting potential of three times the supply voltage. To produce a waveform with seven output voltage levels, the suggested switching capacitor inverter consists of eight switches, single diode, and two capacitors. Because capacitors are inherently balanced, there is no need for a balancing circuit or sensor. The structure can be expanded using the provided generalized equations. In addition, the technique for switching control and loss analyses is explored. A fair comparison with th

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16

Jena, Kasinath, Chinmoy Kumar Panigrahi, and Krishna Kumar Gupta. "A New 13-Level Switched-Capacitor Inverter with Reduced Device Count." Power Electronics and Drives 6, no. 1 (2021): 26–41. http://dx.doi.org/10.2478/pead-2021-0005.

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Abstract This paper proposed a new voltage-boosting 13-level switched-capacitor (SC) cost-effective inverter. The proposed topology comprises fourteen transistors, three capacitors and a single DC source to produce a 13-level staircase waveform. The capacitor voltage balancing problem is inherently solved by the series/parallel technique. Structural description, working principle, calculation of optimum values of capacitance and modulation scheme are briefly described. The comparative analyses with the existing SC multilevel inverter (MLI) in terms of voltage gain, blocking voltage, total stan

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17

Lara, Jorge, Lesedi Masisi, Concepcion Hernandez, Marco A. Arjona, and Ambrish Chandra. "Novel Single-Phase Grid-Tied NPC Five-Level Converter with an Inherent DC-Link Voltage Balancing Strategy for Power Quality Improvement." Energies 14, no. 9 (2021): 2644. http://dx.doi.org/10.3390/en14092644.

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This paper presents a novel single-phase grid-tied neutral-point-clamped (NPC) five-level converter (SPFLC). Unlike the literature on five-level NPC topologies, the proposed one is capable of inherently balancing the voltage of the DC-link split capacitors. For this purpose, a simple Multicarrier Phase Disposition (MPD) Pulse Width Modulation (PWM) technique is used, thus avoiding both complex modifications to the Space Vector Modulation (SVM) and offset voltage injections into the carrier based (CB) PWM, as commonly done in most conventional balancing algorithms. Bearing in mind that the prop

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18

Wang, Yaoqiang, Juncheng Ye, Ruohan Ku, Yuchen Shen, Gen Li, and Jun Liang. "A modular switched-capacitor multilevel inverter featuring voltage gain ability." Journal of Power Electronics, August 18, 2022. http://dx.doi.org/10.1007/s43236-022-00508-9.

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AbstractThis article presents a modular switched-capacitor multilevel inverter which uses two capacitors and a single dc source to obtain triple voltage gain. It is worth noting that the inherent inversion capacity removes the H-bridge, which can efficaciously diminish the voltage stress of switches, and the maximum voltage stress (MVS) on devices is kept within 2Vdc. Additionally, the proposed topology is able to integrate inductive load, and the capacitor voltage self-balancing can be achieved. Moreover, the modular structure also has an expandable topology which can generate more levels and

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19

P, Prem, Suresh V, Jagabar Sathik M, and Shady H. E. Abdel Aleem. "A new generalized cross-connected switched capacitor multilevel inverter topology with high output voltage gain for single phase solar PV unit." Journal of Engineering Research 9, no. 4A (2021). http://dx.doi.org/10.36909/jer.8533.

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Switched capacitor multilevel inverters are gaining much attention these days due to their merits like voltage boosting and voltage balancing characteristics. A Cross Connected Switched Capacitor Multilevel Inverter (C2SC-MLI) topology is proposed in this work. It can synthesize thirteen levels in the terminal voltage waveform and with a voltage boost ratio of 1:3. The topology is extendable by adding additional “n” modules in series. The number of levels (NLevel) and the voltage gain can be increased up to 4i+9 and 1:(i+2) respectively by connecting ‘i’ such ‘n’ modules. The topology also has

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20

Maurya, Avinash, and Ambarisha Mishra. "A switched-capacitor and floating-capacitor (SCFC) based multilevel boost inverter with a single DC power supply and sensor-less voltage balancing method." Engineering Research Express, April 26, 2022. http://dx.doi.org/10.1088/2631-8695/ac6ab8.

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Abstract This paper introduces a nine-level (9L) boost inverter with reduced number of components. The proposed 9L topology comprises a single DC source, eight switches, and two capacitors, namely a switched-capacitor (SC) and a floating capacitor (FC). The topology consists of two converter units: the SC unit and the FC unit. Both units are cascaded to achieve nine voltage levels with a voltage gain of 2. The inherent voltage boosting capability of the proposed topology makes it suitable for low-scale voltage applications like photovoltaics (PV) and electric vehicles (EVs). A sensorless metho

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21

Maurya, Avinash, and Ambarisha Mishra. "A switched-capacitor and floating-capacitor (SCFC) based multilevel boost inverter with a single DC power supply and sensor-less voltage balancing method." Engineering Research Express, April 26, 2022. http://dx.doi.org/10.1088/2631-8695/ac6ab8.

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Abstract This paper introduces a nine-level (9L) boost inverter with reduced number of components. The proposed 9L topology comprises a single DC source, eight switches, and two capacitors, namely a switched-capacitor (SC) and a floating capacitor (FC). The topology consists of two converter units: the SC unit and the FC unit. Both units are cascaded to achieve nine voltage levels with a voltage gain of 2. The inherent voltage boosting capability of the proposed topology makes it suitable for low-scale voltage applications like photovoltaics (PV) and electric vehicles (EVs). A sensorless metho

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22

Debnath, Tutan, Rakesh R, Mriganka Ghosh Majumder, et al. "A Multilevel Inverter with Inherent Common Coupling Point Voltage Balancing of Stacked Capacitors across a Single DC-Link for Induction Motor Drives." IEEE Transactions on Industrial Electronics, 2021, 1. http://dx.doi.org/10.1109/tie.2021.3137443.

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