Abstract
In this study, a novel PWM scheme based on a trapezoidal triangular carrier (TTC) is proposed. A 17-level H-bridge inverter is implemented using TTC PWM and compared with other different kinds of carrier-based pulse width modulation scheme for enhancing the performance. Different carriers-based PWM scheme such as level-shift carrier-based (LS) PWM scheme, phase shift carrier-based (PSC) PWM, and variable switching frequency-based schemes are compared with TTC PWM scheme for symmetric source and asymmetric source configuration of cascaded H-bridge inverter. 17-level H-bridge inverter has been simulated in MATLAB/Simulink platform. The output voltage waveform and their harmonic spectrum for different PWM schemes are analysed and compared. The variations of total harmonics distortion with modulation indices for output voltages are also analysed. The simulation results validate through experimental implementation.
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Thakre, K., Mohanty, K.B., Kumar, S.S., Thanvi, S.K. (2021). Trapezoidal Triangular Carrier-Based PWM Scheme for Performance Enhanced in Multilevel Inverter. In: Reddy, M.J.B., Mohanta, D.K., Kumar, D., Ghosh, D. (eds) Advances in Smart Grid Automation and Industry 4.0. Lecture Notes in Electrical Engineering, vol 693. Springer, Singapore. https://doi.org/10.1007/978-981-15-7675-1_13
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DOI: https://doi.org/10.1007/978-981-15-7675-1_13
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