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|OPTIMAL DESIGN OF NON-LINEAR ELECTRONIC CIRCUITS
|Gupta, Pradeep Kumar
|ELECTRICAL ENGINEERING;NON-LINEAR ELECTRONIC CIRCUITS;SWITCHING MODE CONVERTERS;NON LINEAR DISCRETE TIME
|Switching mode converters are basically nonlinear time varying discrete time systems. For analysing such systems either nonlinear discrete time or small scale linearization techniques are used. This work is concerned with modelling and analysis of the audiosusceptibility performance of a switching mode converter using DIDF technique. A general method for modelling power stages of any switching mode d.c. to d.c. converter has been developed through the State-Space approach. The fundamental step is in replacement of the state space description of the two switched network by their average over the single switching period T, which results in a single continuous state space description. From state space description a canonical circuit model is developed which gives various performance charac-teristics of different switching converters directly. Using this technique, a small signal average model of switching mode regulator is derived to investigate the complex interaction among input filter, output filter and control loop. Performance indices of a switching regulator have been formulated, and a comparison has been made for a series switching regulator using different input filter configurations. Basic constraints for optimal two stage input filter configuration have been discussed.
|Research Supervisor/ Guide:
|Gupta, H. O.
Vanwasi, A. K.
|Appears in Collections:
|MASTERS' THESES (Electrical Engg)
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