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Realization of a photovoltaic chain with a chopper controlled by a microcontroller PIC 18F4550

机译:用微控制器PIC 18F4550控制的斩波器实现光伏链

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The objective of this work is the study and the realization of a photovoltaic conversion chain which consists mainly of a solar panel, a power converter controlled by a signal pulse width modulation (PWM), generated by a microcontroller and an electric load. For develop this work, we carried a chopper Buck we achieve a chopper Buck and different associated cards: cards of measurement, protection and control based on the PIC 18F4550. This one generates a PWM control signal to 10 KHz frequency, with variable duty cycle. A system practical validation is performed, which experimental results showed a good functioning of the achieved system with a satisfactory yield.
机译:这项工作的目的是研究和实现光伏转换链,该转换链主要由一块太阳能电池板,一个由微控制器生成的信号脉宽调制(PWM)控制的功率转换器和一个电负载组成。为了开展这项工作,我们携带了一个斩波器降压器,我们获得了一个斩波器降压器和各种相关的卡:基于PIC 18F4550的测量,保护和控制卡。该信号产生占空比可变的PWM控制信号,频率为10 KHz。进行了系统的实际验证,实验结果表明所实现的系统具有良好的功能,并具有令人满意的产率。

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