The Implementation of a Maximum Photovoltaic Power Point Tracking Circuit
| Autor: | Jia-Wei Hung, 洪嘉偉 |
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| Rok vydání: | 2014 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 102 The thesis aims to design a maximum photovoltaic power point tracking circuit. The basic concept of the proposed maximum power point tracking technique is based on approximating the characteristic curve of the photovoltaic power output by piecewise quadratic curves. At each step, the apex of the piecewise polynomial is used to be the next operation duty cycle so that the operation point can rapidly move to the maximum power point. To verify the feasibility of the proposed maximum power point tracking technique, we first implement an analog solar cell circuit which is used for simulating the maximum power point tracking experiments. Before to do this, each part of the circuit is simulated and analyzed by the relative software to testify its compliance with the output characteristics of solar cells. Based on the impedance matching for the overall tracking circuit, the equivalent input impedance of the solar cell is adjusted by controller to match the load impedance of the solar cell so that the operating point of the solar cell is moved to the maximum power point and the solar cell works at the maximum power point. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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