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|Title:||DESIGN AND IMPLEMENTATION OF DC-DC BI-DIRECTIONAL BUCK AND BOOST CONVERTER|
DC-DC BI-DIRECTIONAL BUCK
SWITCH MODE POWER SUPPLIES
|Abstract:||Switch Mode Power Supplies (SIPS) are very important components in present day electronics and have continued to thrive and grow over the past 25 years. Electronic switch-mode DC to DC converters convert one DC voltage level to another, by storing the input energy temporarily and then releasing that energy to the output at a different voltage. The storage may be in either magnetic field storage components (inductors, transformers) or electric field storage components (capacitors). This conversion method is more power efficient (often 75% to 98%) than linear voltage regulation (which dissipates unwanted power as heat). Most DC to DC converters are designed to transfer power in only one direction, from the input to the output. However, all switching regulator topologies can be made bi-directional by replacing all diodes with independently controlled active rectification. A bi-directional converter can transfer power in either direction, which is useful in applications requiring regenerative braking etc. This project deals with the bi-directional buck and boost converter, their basic functioning and their stability under closed loop. It discusses clearly about how to design, implement the analog controller and digital controller for bi-directional buck and boost converter. It also discuss about non-linear controller design i.e. fuzzy controller for the boost converter. Designing of the controller is verified with the help of MATLAB simulation.|
|Appears in Collections:||MASTERS' DISSERTATIONS (Electrical Engg)|
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