Implementation of Cuckoo Search Optimized Firing Scheme in 5-Level Cascaded H-Bridge Multilevel Inverter for Power Quality Improvement

Deepshikha Singla; P.R.Sharma

Implementation of Cuckoo Search Optimized Firing Scheme in 5-Level Cascaded H-Bridge Multilevel Inverter for Power Quality Improvement

Deepshikha Singla

P.R.Sharma

Vol. 19, No. 6, pp. 1458-1466, Nov. 2019

10.6113/JPE.2019.19.6.1458

Cascaded H-Bridge multilevel inverters

Cuckoo Search (CS) algorithm

Harmonic minimization

Power quality

Sinusoidal pulse width modulation (SPWM)

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Abstract

Multilevel inverters have appeared as a successful and utilitarian solution in many power applications. The prime objective of an inverter is to keep the fundamental component of the output voltage of a multilevel inverter at a preferred value. Equally important is the need to keep the harmonic components in the output voltage within stated harmonic limits. Therefore, the basis of this research is to develop a harmonic minimization function that optimizes the switching angles of cascaded H-bridge multilevel inverter. Due to benefits of the Cuckoo Search (CS) algorithm, it is applied to determine the switching angles, which are further used to generate the switching pattern for firing the H-bridges of multilevel inverter. Simulation results are compared with SPWM based firing scheme. The switching frequency for SPWM firing scheme is taken as 200 Hz since the switching losses are increased when switching frequency is high. To validate the ability of Cuckoo Search optimized firing scheme in minimization of harmonics, experimental results obtained from hardware prototype of Five Level Cascaded H-Bridge Multilevel Inverter equipped with a FPGA controller are presented to verify the simulation results.

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Cite this article

[IEEE Style]

D. Singla and P.R.Sharma, "Implementation of Cuckoo Search Optimized Firing Scheme in 5-Level Cascaded H-Bridge Multilevel Inverter for Power Quality Improvement," Journal of Power Electronics, vol. 19, no. 6, pp. 1458-1466, 2019. DOI: 10.6113/JPE.2019.19.6.1458.

[ACM Style]

Deepshikha Singla and P.R.Sharma. 2019. Implementation of Cuckoo Search Optimized Firing Scheme in 5-Level Cascaded H-Bridge Multilevel Inverter for Power Quality Improvement. Journal of Power Electronics, 19, 6, (2019), 1458-1466. DOI: 10.6113/JPE.2019.19.6.1458.