A. Harb, M.R.D. Al-Mothafar, and A. Natsheh
This work describes the bifurcation behaviour of a modular peak current-mode controlled DC-DC boost converter. The parallel- input/parallel-output converter consists of two identical boost circuits and operates in the continuous-current conduction mode (C?). A nonlinear mapping in closed form is derived and bifurcation diagrams are generated using MATLAB. A comparison is made between the modular converter diagrams and those of the single-boost converter. The effect of introducing mutual coupling between the inductors of the constituent modules is also addressed. Results are veriļ¬ed using the circuit analysis package PSPICE.
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