摘要
研究设计了一种应用于光伏LED照明系统的改进型Zeta/Speic双向变换电路,该电路兼顾MPPT控制、蓄电池充放电控制、LED恒流控制及隔离保护控制等多种功能,与传统光伏LED照明系统中的常规变换器相比,具有结构简单灵活、成本低、效率高等优点。详细分析了电路组成及工作模式,并通过实验进行了测试,测试结果验证了该变换器的有效性及优越性。
A novel bi-directional Zeta/Speic converter for LED photovoltaic illuminatce system is analyzed and de-signed,which can realize MPPT control,battery charge and discharge control,LED current control and isolation con-trol function,compared with the traditional DC/DC converters for LED photovoltaic illuminatce system,has simple structure flexible,low cost and high efficiency advantages.The consists of the circuit and working model are analyzed.Finally the test experimental waveforms of prototype are given to demonstrate the goodness of this novel bi-directional Zeta/Speic converter.
出处
《电力电子技术》
CSCD
北大核心
2011年第9期82-84,共3页
Power Electronics
基金
苏州市吴中区科技计划项目(WGC1004)
苏州市科技计划项目(SS201117,SGZ2011011)
苏州市职业大学创新基金项目(2010SZDCC16)~~
关键词
变换器
发光二极管
光伏系统
恒流驱动
converter
light emitting diode
photovoltaic system
constant current drive
