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首页> 外文会议>2017 15th International Conference on Quality in Research : International Symposium on Electrical and Computer Engineering >Design and simulation of an output voltage controller for solar power (pv) application using fuzzy logic controller
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Design and simulation of an output voltage controller for solar power (pv) application using fuzzy logic controller

机译：基于模糊逻辑控制器的太阳能光伏输出电压控制器的设计与仿真

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摘要

The solar (PV) energy as one of the renewable natural energy has been widely used as an environment friendly resources, however the intensity of incoming sun-light as the source of the power, is not always the same all the time during the day, which makes the output voltage becomes unstable. The sun light intensity can be influenced by various factors such as the cloudy or sunny weather, which causes large changes in the generated voltage of the solar panels. To compensate for the variation of generated voltage when the light intensity is low, it should be boosted, and when the light intensity is high, it should be bucked and controlled to reach the required output voltage. And furthermore, the output voltage should be maintained to a desired DC voltage to be applicable for electrical households. A Fuzzy Logic controller is designed to control the duty cycle of a PWM signal generated to control the switching period to regulate the output voltage of the system. This paper discusses the design and control of a buck-boost converter for solar panels of the power range 50-100W, which can be used in household apparatus. The system has been analyzed, and validated by simulation study and the results show that the target voltage can be regulated very well.
机译：太阳能是一种可再生的自然能源，已被广泛用作环境友好型资源，但是，作为能量来源的太阳光的入射强度在一天中并非总是相同，这会使输出电压变得不稳定。太阳光强度会受到各种因素的影响，例如多云或晴天，这会导致太阳能电池板的产生电压发生较大变化。为了在光强度低时补偿所产生电压的变化，应提高它，而在光强度高时应对其进行降压和控制以达到所需的输出电压。此外，输出电压应保持在所需的直流电压以适用于家庭电气。模糊逻辑控制器设计用于控制产生的PWM信号的占空比，以控制开关周期来调节系统的输出电压。本文讨论了可用于家用设备的功率范围为50-100W的太阳能电池板的升降压转换器的设计和控制。对系统进行了分析，并通过仿真研究进行了验证，结果表明目标电压可以很好地调节。

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