A simple and effective control of single phase solar inverter

Nasreen Khan, A. Siraj, Javed Khan, Ferheen Mahboob, A. Haque
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引用次数: 2

Abstract

In this paper, a single phase effective closed loop control for solar inverter is proposed. As solar irradiance level changes with atmospheric conditions, output of the inverter varies. To maintain the output voltage of the inverter constant a close loop is implemented using PWM technique. A PWM signal is generated by comparing the output of PI controller with two identical triangular signals having a phase difference of 180°. The output voltage is constant within ±0.5% of reference value. The circuit is validated using PSIM software. The simulated AC output waveform has THD within 2%.
一种简单有效的控制单相太阳能逆变器
本文提出了一种太阳能逆变器单相有效闭环控制方法。由于太阳辐照度随大气条件的变化而变化,逆变器的输出也随之变化。为了保持逆变器的输出电压恒定,采用PWM技术实现了闭环控制。通过将PI控制器输出与两个相位差为180°的相同三角形信号进行比较,产生PWM信号。输出电压恒定在参考值的±0.5%范围内。采用PSIM软件对电路进行了验证。模拟的交流输出波形THD值在2%以内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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