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PV power system using hybrid converter for LED indictor applications

机译:使用混合转换器的PV电源系统用于LED指示器应用

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This paper presents a LED indictor driving circuit with a PV arrays as its power source. The LED indictor driving circuit includes battery charger and discharger (LED driving circuit). In this research, buck converter is used as a charger, and forward converter with active clamp circuit is adopted as a discharger to drive the LED indictor. Their circuit structures use switch integration technique to simplify them and to form the proposed hybrid converter, which has a less component counts, lighter weight, smaller size, and higher conversion efficiency. Moreover, the proposed hybrid converter uses a perturb-and-observe method to extract the maximum power from PV arrays. Finally, a prototype of an LED indictor driving circuit with output voltage of 10 V and output power of 20 W has been implemented to verify its feasibility. It is suitable for the LED inductor applications.
机译:本文提出了一种以光伏阵列为电源的LED指示器驱动电路。 LED指示器驱动电路包括电池充电器和放电器(LED驱动电路)。在这项研究中,降压转换器用作充电器,带有源钳位电路的正向转换器用作放电器来驱动LED指示器。他们的电路结构使用开关集成技术来简化它们并形成所提出的混合转换器,该混合转换器具有更少的组件数,更轻的重量,更小的尺寸和更高的转换效率。此外,所提出的混合转换器使用扰动观察法从光伏阵列中提取最大功率。最后,已经实现了具有10 V输出电压和20 W输出功率的LED指示器驱动电路的原型,以验证其可行性。适用于LED电感器应用。

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