Bubbling phenomenon in a unipolar SPWM inverter

Abella, Anderson Fabian; Morcillo, José D.; Angulo, Fabiola

doi:10.1109/ccac51819.2021.9633285

2021 IEEE 5th Colombian Conference on Automatic Control (CCAC) 2021

DOI: 10.1109/ccac51819.2021.9633285

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Bubbling phenomenon in a unipolar SPWM inverter

Anderson Fabian Abella

José D. Morcillo

Fabiola Angulo

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2022

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“…12 A comprehensive analysis of voltage-mode controlled (VMC) H-bridge inverter connected to a resistive load by Filippov's method, Floquet theory, state-space averaged model, and 1-D discrete time map were reported. [2][3][4]13,14 Stability boundaries were drawn in power and control circuit parameter spaces, and mechanisms of onset of Hopf/ Neimark-Sacker, period-doubling (PD) bifurcations as well as bubbling 15,16 were demonstrated. PD bifurcation was found in one-cycle controlled inverter 17 and differential boost inverter 18 with resistive load.…”

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A Filippov method based analytical perspective on stability analysis of a DC‐AC H‐bridge inverter with nonlinear rectifier load

Bandyopadhyay

Mandal

Parui

2022

Circuit Theory & Apps

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Summary A comprehensive analysis of an inverter with nonlinear rectifier load by Filippov's method and state‐space averaged method considering nonidealities have been reported for the first time. A study in comparison with an equivalent linear AC resistance load reveals that even though qualitative behavior remains similar, earlier onset of Hopf bifurcation and delayed onset of period‐doubling bifurcation occur. This proves the necessity of modeling the nonlinear load at a switched system level, instead of linearizing it based on the first harmonic approximation which ignores the capacitor after rectifier and reduces the order of the system from four to three. Hopf bifurcation takes place with increase in capacitance after rectifier, along with corresponding decrease in its equivalent series resistance (ESR), limiting the selection of capacitors to lower values. However, ESR compensation solves this problem by preventing the onset of Hopf bifurcation and use of ESR compensated capacitor of higher values result in significant increase, instead of reduction in overall stable domain in parameter spaces. Analytical results have been corroborated by numerical simulation results.

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confidence: 99%

A Filippov method based analytical perspective on stability analysis of a DC‐AC H‐bridge inverter with nonlinear rectifier load

Bandyopadhyay

Mandal

Parui

2022

Circuit Theory & Apps

View full text Add to dashboard Cite

show abstract

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Bubbling phenomenon in a unipolar SPWM inverter

Cited by 1 publication

References 9 publications

A Filippov method based analytical perspective on stability analysis of a DC‐AC H‐bridge inverter with nonlinear rectifier load

A Filippov method based analytical perspective on stability analysis of a DC‐AC H‐bridge inverter with nonlinear rectifier load

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