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            θ multilevel inverter – a minimal switch novel configuration for higher number of output voltage levels

Bhaskar, Mahajan Sagar; Meraj, Mohammad; Iqbal, Atif; Ben‐Brahim, Lazhar; Padmanaban, Sanjeevikumar; Abu‐Rub, Haitham

doi:10.1049/iet-pel.2019.0945

Cited by 5 publications

(1 citation statement)

References 41 publications

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“…The DC nature of power from the PV panel is required to be converted into AC power to meet the domestic and industrial power needs. For this, power inverters play a significant role [1][2][3][4][5][6][7][8][9][10]. Two-level inverters are operated under very high switching frequency, resulting in high dv/dt of output voltage, increased heating up of the switches and higher electromagnetic interferences (EMI) [11][12].…”

Section: Introductionmentioning

confidence: 99%

Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter With Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications

et al. 2020

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The Multilevel inverters (MLIs) are a new breed of power electronics converters. They are primarily used for the conversion of dc power to ac power. The two-level inverters are conventionally used to obtain ac power, but it requires operating the switches under very high switching frequency. Besides, the two-level inverter necessitates the use of LC filters with the switches operating under high dv/dt stress. The MLIs offer the advantage of utilizing several dc voltage sources to generate a stepped ac waveform with the proper arrangement of switches. Investigation of a Transistor Clamped T Type H-Bridge Multilevel Inverter (TC-TT-HB-MLI) with Inverted Double Reference Single Carrier PWM Technique (IDRSCPWM) for Renewable Energy Applications are discussed in this paper. A PV source is taken as an input to the TC-TT-HB-MLI. For different modulation indices like 0.85, 1 and 1.25, the FFT analysis is performed and presented, which corresponds to the variations in the irradiations from solar energy. A single unit of the TC-TT-HB-MLI is extended to a generalized MLI structure named Generalized Transistor Clamped T-Type H-Bridge Multilevel Inverter (GTC-TT-HB-MLI). The significant benefits of GTC-TT-HB-MLI are the multiple numbers of reductions in the switch count, and driver circuit counts for a higher number of MLI levels. Fast Fourier Transform (FFT) analysis is carried out on the MLI output to calculate the total harmonics distortion (THD). The experimental verification is performed using SPARTAN 3E-XCS250E; the gate signals are generated and provided to the switches.

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Section: Introductionmentioning

confidence: 99%

Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter With Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications

et al. 2020

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Reduced Auxiliary Circuit Switch Nine-Level Inverter for Renewable Energy Applications

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Maroti

Bhaskar

2022

IETE Journal of Research

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An Original Hybrid Multilevel DC-AC Converter Using Single-Double Source Unit for Medium Voltage Applications: Hardware Implementation and Investigation

et al. 2020

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In this article, an original hybrid multilevel DC-AC converter configurations are proposed by using single-double source unit for medium voltage applications. The proposed topologies are derived by hybridization of single and double source units with polarity changer and cascaded with full-bridge converter for medium and high voltage applications. Two different hybrid topologies presented and each topology configured for both symmetric and asymmetric method. The proposed hybrid topologies compared with the conventional cascaded H-bridge converter (CHB), and the best topologies recommended for medium voltage applications. The comparison in terms of the number of switches, gate driver circuits, maximum blocking voltage by switches and total peak inverse voltages of switches presented. The proposed topologies require a small installation area and low cost. The validity of the proposed hybrid converter structures is verified by simulation using MATLAB/Simulink and hardware results. The simulation and hardware results show a good agreement with the theoretical approach.INDEX TERMS Harmonics distortion, multilevel converters, hybrid converter topology, power switches, symmetric and asymmetric inverter.

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E ^K θ multilevel inverter – a minimal switch novel configuration for higher number of output voltage levels

Cited by 5 publications

References 41 publications

Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter With Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications

Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter With Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications

Reduced Auxiliary Circuit Switch Nine-Level Inverter for Renewable Energy Applications

An Original Hybrid Multilevel DC-AC Converter Using Single-Double Source Unit for Medium Voltage Applications: Hardware Implementation and Investigation

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E K θ multilevel inverter – a minimal switch novel configuration for higher number of output voltage levels

Cited by 5 publications

References 41 publications

Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter With Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications

Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter With Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications

Reduced Auxiliary Circuit Switch Nine-Level Inverter for Renewable Energy Applications

An Original Hybrid Multilevel DC-AC Converter Using Single-Double Source Unit for Medium Voltage Applications: Hardware Implementation and Investigation

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Product

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E ^K θ multilevel inverter – a minimal switch novel configuration for higher number of output voltage levels