Publication: Diseño de un convertidor cc/cc bidireccional controlado analógicamente
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2012-07
Defense date
2012-09-25
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Abstract
En el presente documento se van a desarrollar las fases de diseño, simulación e implementación de un convertidor CC/CC bidireccional basado en las topologías reductora y elevadora, junto con el diseño y construcción de un lazo de control analógico único para ambos modos de funcionamiento. Se comienza elaborando un estudio de las dos formas de conversión de la planta, así como de los componentes que conforman la misma; más tarde se abordará el análisis de su respuesta dinámica con el fin de encaminar el diseño del controlador pertinente. Se plantearán un circuito de control y otro de adaptación conforme a las especificaciones dadas para este proyecto y a los diferentes efectos que genera el hecho de tener que regular ambas topologías. A través de las herramientas software del laboratorio, se simularán las soluciones extraídas en el análisis previo para verificar la validez de los cálculos. Finalmente se procederá al diseño y fabricación de las placas de circuito impreso del sistema en su conjunto. __________________________________________________________________________________________________________________________________
In this project is developed everything necessary for the design and implementation of a DC/DC bidirectional converter based on buck - boost topology, with a unique control system for all methods of operation. It will begin doing an independent study of the two topologies belonging to the power stage, in order to know the static and dynamic behavior of the system in all possible forms of energy conversion. It will develop an analog control loop that is able to regulate the output of the converter according to the specifications of the project and the different effects generated by the fact of having to control both operating modes. As the output of the modulator is obtained only PWM signal, be necessary to design a matching circuit formed by a driver and a switch control signals to adapt the trigger inputs of the MOSFET. Through lab software tools, will be simulated in PSIM and SmartCtrl, the solutions extracted in the previous analysis to verify the validity of the calculations. Finally be proceed to the design and manufacture of printed circuit boards of the system according to implementation rules for PCBs and the circuit's restrictions.
In this project is developed everything necessary for the design and implementation of a DC/DC bidirectional converter based on buck - boost topology, with a unique control system for all methods of operation. It will begin doing an independent study of the two topologies belonging to the power stage, in order to know the static and dynamic behavior of the system in all possible forms of energy conversion. It will develop an analog control loop that is able to regulate the output of the converter according to the specifications of the project and the different effects generated by the fact of having to control both operating modes. As the output of the modulator is obtained only PWM signal, be necessary to design a matching circuit formed by a driver and a switch control signals to adapt the trigger inputs of the MOSFET. Through lab software tools, will be simulated in PSIM and SmartCtrl, the solutions extracted in the previous analysis to verify the validity of the calculations. Finally be proceed to the design and manufacture of printed circuit boards of the system according to implementation rules for PCBs and the circuit's restrictions.
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Electrónica de potencia, Convertidores de potencia