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This paper presents a novel control technique for a wide output voltage range digitally controlled SIDO boost converter. It employs minimum phase conditions reported in refid="ref1"/ , refid="ref2"/ and extends the same to SIDO boost converter to eliminate the effect of RHP zero. Further, the proposed work employs input-output linearization technique refid="ref3"/, refid="ref4"/ to linearize the control-to-output transfer function across different operating points to achieve improved stability under unbalanced loads and a wide output voltage range on each output of the proposed SIDO boost power converter. The SIDO boost regulator was verified experimentally for an input voltage of 3.3 V and a maximum simultaneous load current of 350 mA on each output. Measurement results demonstrate that the proposed design achieves a wide output voltage range of 4.8 V–13.75 V, with ability to dynamically transition across these different output voltages in both small and big voltage steps. [ABSTRACT FROM AUTHOR]

While a host of analysis techniques exist to perform steady-state analysis of open-loop converter systems, solutions for close-loop converter systems are distinctly more challenging to obtain. Analysis is done either via computationally intensive time-domain simulation or through reliance on a disconnected collection of published iteration techniques. Moreover, most of these iteration techniques deal with a system containing only one or two converters. This is not adequate to deal with a smart grid or microgrid system, which consists of multiple (more than two) converters. This paper proposes a generalized and systematic solution procedure to obtain the steady state of a system containing multiple closed-loop power converters, in a computationally efficient manner. The solution procedure consists of a general five step approach that can easily be applied to a wide variety of power converter systems. It is shown that numerous previously proposed methods may be viewed as specific implementations of the generalized systematic procedure. A new solution approach, suitable for analysis of tightly coupled multiconverter networks, is developed based on the generalized solution procedure. Results of the new approach are validated against PSCAD/EMTDC simulations for a representative multiconverter network. [ABSTRACT FROM PUBLISHER]