Design and Implementation of Soft Switching Boost Converter

The design and implementation of closed loop soft switching boost DC-DC converter have been proposed. The staedy state analysis of open loop converter with operational modes are evaluated. Equations for the design of all the circuit parametrs are attainted and discussed in details for simulation and experimental purpose. The proposed circuit has resonant circuit which has one inductor and two capacitor to achieve soft switching of converter by operating it at zero voltage condition

Design and Implementation of Closed Loop Soft Switching Boost Converter using PI Controller

The design and implementation of closed loop soft switching boost converter have been proposed. The steady state analysis of open loop converter with operational modes are evaluated. Equations for the design of all the circuit parameters are attainted and discussed in details for simulation and experimental purpose. The main aim of this paper to maintain constant output at the converter end with variable voltage source. This is achieved by designing the PI controller as the feedback to the main circuit. The stability analysis of the proposed converter is done and improving the stability by designing the controller circuit and making the converter to operate in closed loop mode. The main advantage of this proposed converter is reduction in the swathing losses, current and voltage stress on the circuit parameter decreases, switching frequency increases. The simulation studies are done using a MATLAB software. And the hardware model is developed with the designed values

Energy Harvesting From Exercise Machines - DC-DC Buck Boost Converter (LT3791)

Cal Poly’s ongoing Energy Harvesting From Exercise Machines (EHFEM) project proposes sustainability and energy saving costs through modifying exercise machines generating DC power, providing a renewable energy resource through physical exercise. The EHFEM project contains multiple sub-projects involving modifying several different exercise machines. Each machine generates DC power and an inverter converts this power to AC. This AC power returns to the grid. This project addresses an issue involving a previously installed DC-DC converter not returning power properly. When generating DC power, the grid demands a specific AC voltage, but the generated power through the previous DC-DC converter and power inverter encountered several problems. One previous converter outputted the desired DC output, but at the cost of low efficiency