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Genetic Algorithm Based 7-Level Step-Up Inverter with Reduced Harmonics and Switching Devices

Intelligent Automation & Soft Computing 2023年第3期35卷 3081-3097页

作者： T.Anand Kumar m.kaliamoorthy I.Gerald Christopher Raj Department of EEE Dr.Mahalingam College of Engineering and TechnologyPollachiTamilnaduIndia Department of EEE PSNA College of Engineering and TechnologyDindigulTamilnaduIndia

This paper presents a unique voltage-raising topology for a single-phase seven-level inverter with triple output voltage gain using single input source and two switched *** output voltage has been boosted up to three times the value of input voltage by conﬁguring the switched capacitors in series and parallel combinations which eliminates the use of additional step-up converters and *** selective harmonic elimination(SHE)approach is used to remove the lower-order *** optimal switching angles for SHE is determined using the genetic *** switching angles are com-bined with a level-shifted pulse width modulation(PWm)technique for pulse generation,resulting in reduced total harmonic distortion(THD).A detailed com-parison has been made against other relevant seven-level inverter topologies in terms of the number of switches,drivers,diodes,capacitors,and boosting facil-ities to emphasize the beneﬁts of the proposed *** proposed topology is simulated using mATLAB/SImULINK and an experimental prototype has been developed to validate the *** Digital Signal Processing(DSP)TmS320F2812 board is used to generate the switching pulses for the proposed technique and the experimental results concur with the simulated model outputs.

关键词： Genetic algorithm multilevel inverter pulse width modulation selective harmonic elimination switched capacitor

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A Novel Asymmetrical Single-Phase multilevel Inverter Suitable for Hybrid Renewable Energy Sources

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Circuits and Systems 2016年第6期7卷 932-945页

作者： C. P. Boopathy m. kaliamoorthy Department of Electrical and Electronics Engineering SVS College of Engineering Coimbatore India Department of Electrical and Electronics Engineering Karpagam College of Engineering Coimbatore India

This paper introduces a novel single-phase asymmetrical multilevel inverter suitable for hybrid renewable energy sources. The proposed inverter consists of two isolated DC sources and six power semiconductor controlled switches. The suggested inverter is capable of generating seven-level output when the input DC voltage is taken in the ratio of 1:2. The higher magnitude DC source is fed from Photo Voltaic (PV) panels, whereas the lower magnitude DC source is fed from Wind Turbine (WT) driven Permanent magnet DC (PmDC) generator. Both the renewable energy sources are connected to the inverter via two DC-DC boost converters connected in cascade (i.e. one for maximum power point tracking and another for DC-link voltage control). The proposed hybrid renewable energy source inverter is connected to single-phase grid via proper control systems. The complete system is simulated using mATLAB/SImULINK and the results are presented in detail.

关键词： Asymmetrical multilevel Inverter DC-DC Boost Converter Photo-Voltaic Wind Turbine Permanent magnet DC Generator maximum Power Point Tracking

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