This paper presents a phase shifting method to adjust the combined output voltage of two hybrid loaded resonant converters connected in parallel. The method implements a fixed switching frequency and hence it is particularly useful in applications such as medical instrumentation where audible noise is not desirable. The design and analysis of parallel hybrid resonant converters operating in discontinuous conduction mode using the phase shifting method is described. Computer simulation to prove the feasibility of the phase shifting method in the design example is also provided. Analysis of the characteristics of the output voltage produced by phase shifting control along with the steady state output analysis of the hybrid loaded resonant converters is also discussed.


Electrical and Computer Engineering

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