A novel design and performance improvement of symmetric multilevel inverter with reduced switches using genetic algorithm

Ponraj, Ram Prakash; Sigamani, Titus

doi:10.1007/s00500-020-05466-7

Cited by 28 publications

(7 citation statements)

References 34 publications

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“…The proposed modular structure is compared with other generalized structures. [9][10][11][12][13][23][24][25][26][27][28][29][30][31][32][33] Figure 10A compares the number of switches of different generalized structures in terms of the produced voltage levels. As shown in Figure 10A, the number of switches used in the proposed structure is less than others except for the structure introduced in Gohari et al 29 In contrast, according to Figure 10B, the structure introduced in Gohari et al 29 has many voltage sources and drivers at the same output voltage levels.…”

Section: Modular Structure Comparisonmentioning

confidence: 99%

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A novel bidirectional modular multilevel inverter utilizing diode‐based bidirectional unit

Seifi

Hosseinpour

Hosseini

2023

Circuit Theory & Apps

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Summary Multilevel inverters have many applications, such as the grid integration of photovoltaic cells, FACTSs devices, electric vehicles, variable speed drives, and smart grids. In this paper, a new bidirectional diode‐based unit is proposed for a symmetric single‐phase modular inverter topology that can achieve high output levels by using a small number of switching and circuit devices. The basic structure can generate nine‐level voltage with only nine IGBTs and two diodes. Another advantage of the proposed topology is the utilization of a half‐bridge module to change the voltage polarity and the low number of its voltage sources. Additionally, the proposed topology can be used as the cascaded structure with different approaches to select the value of voltage sources. The power losses are discussed for the proposed basic module. A comparison has been made with some recently presented topologies to compare the proposed multilevel inverter and demonstrate its superiority. The comparison is performed for the basic module and its generalized structure. In this paper, the pulse width modulation technique is utilized to achieve a voltage waveform with low harmonic content. The proposed basic structure has an efficiency of 58.98% in 5KW power. Finally, the operation of the proposed basic module is simulated, and the laboratory prototype results confirm the accuracy of the simulation results.

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Section: Modular Structure Comparisonmentioning

confidence: 99%

“…The proposed modular structure is compared with other generalized structures 9–13,23–33 . Figure 10A compares the number of switches of different generalized structures in terms of the produced voltage levels.…”

Section: Comparative Evaluationmentioning

confidence: 99%

A novel bidirectional modular multilevel inverter utilizing diode‐based bidirectional unit

Seifi

Hosseinpour

Hosseini

2023

Circuit Theory & Apps

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Section: Selective Harmonic Eliminationmentioning

confidence: 99%

“…Recently numerous evolutionary algorithms based on SHE techniques for MLI are reported in the literature [207][208][209][210][211][212][213][214][215][216][217][218]. Authors in [185,207] have implemented a genetic algorithm (GA) to minimize low-count switch MLI distortions. In [208,209], the output voltage regulation and improvement of the harmonic profile are carried out by particle swarm optimization (PSO) technique.…”

Section: Selective Harmonic Eliminationmentioning

confidence: 99%

Multilevel Inverter: A Survey on Classical and Advanced Topologies, Control Schemes, Applications to Power System and Future Prospects

et al. 2021

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In recent years, multilevel inverters (MLIs) have emerged to be the most empowered power transformation technology for numerous operations such as renewable energy resources (RERs), flexible AC transmission systems (FACTS), electric motor drives, etc. MLI has gained popularity in medium- to high-power operations because of numerous merits such as minimum harmonic contents, less dissipation of power from power electronic switches, and less electromagnetic interference (EMI) at the receiving end. The MLI possesses many essential advantages in comparison to a conventional two-level inverter, such as voltage profile enhancement, increased efficiency of the overall system, the capability of high-quality output generation with the reduced switching frequency, decreased total harmonic distortions (THD) without reducing the power of the inverter and use of very low ratings of the device. Although classical MLIs find their use in various vital key areas, newer MLI configurations have an expanding concern to the limited count of power electronic devices, gate drivers, and isolated DC sources. In this review article, an attempt has been made to focus on various aspects of MLIs such as different configurations, modulation techniques, the concept of new reduced switch count MLI topologies, applications regarding interface with renewable energy, motor drives, and FACTS controller. Further, deep insights for future prospective towards hassle-free addition of MLI technology towards more enhanced application for various fields of the power system have also been discussed. This article is believed to be extremely helpful for academics, researchers, and industrialists working in the direction of MLI technology.

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“…Cascaded H-Bridge MLI is appropriate for immense voltage operation, being separate H-bridge subsist of four switches and one DC source. CC, as well as diodes, are never used here [10]. Cascaded H-Bridge MLI Topology conditional simultaneous DC resource subsist of Single DC supply and Multiple DC supply [11].…”

Section: Introductionmentioning

confidence: 99%

Seven Level Symmetric Cascaded H-Bridge Multilevel Inverter for Solar Photovoltaic System

Dinakaran

Padmavathi

2023

EAI Endorsed Trans Energy Web

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Among different types of Non-Conventional Energy Sources, Solar Power has become highly prominent with exhausting suitable to innovation in Power Electronic Systems. The primary intention of the advised performance must limit the number of switches to enhance the output waveforms with a preferred harmonic profile. This topology moderates the estimate about switches, isolated DC origin, expenditure, and intensity of the circuit substantially as correlated to other topologies. The proposed method uses the MPPT approach to exploit the maximum energy from solar photovoltaic to load entirely. The Proposed method provides almost sinusoidal output waveforms by developing a few power switches. The SPV arrangement was simulated and constitution through SPV arrays, a DC-DC buck converter, and a sliding mode MPPT regulation. Based on the cascaded H-Bridge multilevel converters, The strong constraint enforced confined DC voltage sources considering separately Cascaded H-Bridge. This constitution converter worth along with diminishing the constancy based on the system. The system gives boosting voltages with improves the harmonic profile. Performance of the arrangement demonstrated in MATLAB SIMULINK as well as PROTEUS.

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A novel design and performance improvement of symmetric multilevel inverter with reduced switches using genetic algorithm

Cited by 28 publications

References 34 publications

A novel bidirectional modular multilevel inverter utilizing diode‐based bidirectional unit

A novel bidirectional modular multilevel inverter utilizing diode‐based bidirectional unit

Multilevel Inverter: A Survey on Classical and Advanced Topologies, Control Schemes, Applications to Power System and Future Prospects

Seven Level Symmetric Cascaded H-Bridge Multilevel Inverter for Solar Photovoltaic System

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