并网太阳能光伏系统电压定向控制

2019 Women Institute of Technology Conference on Electrical and Computer Engineering (WITCON ECE) Pub Date : 2019-11-01 DOI:10.1109/WITCONECE48374.2019.9092933

Kanchan Matiyali, S. Goel, Hitesh Joshi

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引用次数: 1

摘要

本文对并网光伏系统进行了详细的建模，提出了一种基于电压定向控制的并网太阳能光伏逆变器控制策略，该控制策略考虑近单位功率因数对PCC电压和电流进行调节。因此，只有注入电网的有功功率受到控制。为了模拟目的，使用三相三电平(3L)二极管箝位多电平逆变器(DCMLI)，并制定了具有正弦脉宽调制(SPWM)的调制技术，为3L逆变器提供门控脉冲。对整个系统进行了基于逆变器电流、电网电流和逆变器性能的分析。研究了控制系统的有效性，并基于总谐波失真(THD)分析了控制结果。仿真工作在Matlab/Simulink软件中进行。

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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Voltage Oriented Control of Grid-tied Solar PV System

This paper gives a detailed modelling of grid-tied PV system in which we presented a control strategy based on voltage oriented control scheme for grid-tied solar PV inverter which regulates point of common coupling (PCC) voltage and current considering near unity power factor. Hence only active power is controlled which is injected into the grid. For simulation purpose, a three-phase three-level (3L) diode clamped multilevel inverter (DCMLI) is used and a modulation technique having sinusoidal pulse width modulation (SPWM) is also formulated to provide gating pulse to the 3L inverter. The whole system is analysed based on inverter current, grid current and performance of inverter has been carried out. Effectiveness of the control system is studied and results are analyzed based on the total harmonic distortion (THD). The simulation work is carried out in Matlab/Simulink software.

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来源期刊

2019 Women Institute of Technology Conference on Electrical and Computer Engineering (WITCON ECE)

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