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In multi-converter power electronic systems, different power electronic converters are integrated together to form a complex and extensively interconnected system. In general, there are two kinds of loads in these systems. One group is conventional loads, which have positive incremental impedance characteristics. They are mainly considered as constant voltage loads that require regulated voltage for their operation. The other group is tightly regulated power electronic converters and motor drives sinking constant power from their input buses. The purpose of this paper is to present an assessment of the dynamic interactions between these loads in the multi-converter DC power electronic systems. Furthermore, a nonlinear robust stabilizing controller based on the feedback linearization technique for DC/DC PWM converters is presented.
Emadi et al. (Wed,) studied this question.