Symmetrical dynamical characteristic of peak and valley current-mode controlled single-phase H-bridge inverter |
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Authors: | Liu Hong-Chen Li Fei Su Zhen-Xia Sun Li-Shan |
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Affiliation: | School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China |
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Abstract: | Complex dynamical phenomenon was studied in the single phase H-bridge inverter which was controlled by either a peak current or a valley current.The state functions and the discrete iterative map equations were established to analyze the dynamical phenomenon in the single phase H-bridge inverter.The dynamical characteristics of the single phase Hbridge inverter,such as time domain waveform diagram,bifurcation diagram,and folding map,were obtained by using the numerical calculation when the circuit parameters varied in specific range.Moreover,the simulation results were obtained by using the OrCAD-PSpice software to validate the numerical calculation.Both the numerical calculation and the circuit simulation show that the symmetrical dynamical phenomenon occurs in the single phase H-bridge inverter controlled by the peak current or the valley current. |
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Keywords: | single-phase H-bridge inverter symmetrical dynamical phenomenon folding map bifurcation di-agram |
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