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Implementation of solar-powered switching voltage regulator

机译：太阳能开关稳压器的实现

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摘要

The objective of this paper is to study and implement a solar powered switching voltage regulator based on SEPIC converter which can be employed in several applications such as water pumping systems and battery charging systems in areas exposed to considerable amount of solar irradiance. The output voltage of the solar powered SliPIC converter is well controlled to the desired value using two feedback control loops; an outer voltage control loop is employed to regulate the load voltage, and an inner current control loop to limit the switch current to a safe value. The parameters of both voltage and current PID controllers are off-line determined by particle swarm technique. 'The performance of the switching converter is studied under different operating conditions including input voltage variation, load variation and also for step change in the reference load voltage. Both simulation and experimental results proved the effectiveness of the investigated system to control and regulate the load voltage to the desired value.
机译：本文的目的是研究和实现基于SEPIC转换器的太阳能开关稳压器，该稳压器可在暴露于大量太阳辐射的区域中的多种应用中使用，例如水泵系统和电池充电系统。太阳能SliPIC转换器的输出电压可通过两个反馈控制环路很好地控制在所需值。外部电压控制环路用于调节负载电压，内部电流控制环路用于将开关电流限制为安全值。电压和电流PID控制器的参数都是通过粒子群技术离线确定的。 ``在不同的工作条件下研究了开关转换器的性能，包括输入电压变化，负载变化以及参考负载电压的阶跃变化。仿真和实验结果均证明了所研究系统将负载电压控制和调节至所需值的有效性。

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