Realization Study of Photovoltaic LED Streetlight Driver

• Main Authors: YI-CHIEH SYU, 許逸傑
• Other Authors: Hung-I Hsieh
• Format: Others
• Language: zh-TW
• Published: 2013
• Online Access: http://ndltd.ncl.edu.tw/handle/42764806464392723825

碩士 === 中原大學 === 電機工程研究所 === 101 === This thesis aims to combine photovoltaic (PV) charging system with an LLC resonant converter to achieve PV LED Street-lighting system without electrolytic capacitors. In control, the study using digital controller MCU to replace hardware components successfully attains digital control for maximum power point tracking (MPPT), battery management and lighting control. Based on the concept of energy saving, the system function and efficiency in study are considered from the PV panels through MPPT and battery charging management to the design of LLC converter. Finally, a prototype of 50W PV LED street-light without electrolytic capacitors is conducted to evaluate the LED output luminance and verify the LLC performance compared with the theoretical analysis.