光伏馈入式HERIC逆变器PWM技术的数学建模与对比分析

2017 Second International Conference on Recent Trends and Challenges in Computational Models (ICRTCCM) Pub Date : 2017-02-01 DOI:10.1109/ICRTCCM.2017.65

V. Thiyagarajan, P. Somapasundaram

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引用次数: 0

摘要

光伏并网逆变器对于实现高效、高效的系统，降低系统总成本起着重要的作用。光伏逆变器将直流电源转换并转送到交流系统。本文的主要目的是分析不同脉宽调制(PWM)技术下光伏应用中的HERIC逆变器的性能。采用正弦参考信号和梯形参考信号两种不同的参考信号。三角载波信号与这些参考信号进行比较，产生PWM脉冲。利用MATLAB/Simulink建立了HERIC逆变器的数学模型。本次比较采用的性能指标为THD、基波输出电压和输出电压均方根值。

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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Mathematical Modelling and Comparative Analysis of PWM Techniques for Photovoltaic Fed HERIC Inverter

Grid connected photovoltaic inverters play an important role to achieve an effective and efficient system with reduced total cost of the system. The photovoltaic inverters convert the dc source and delivered into the ac system. The main aim of this paper is to analyse the performance of HERIC inverter for photovoltaic applications for different Pulse-Width Modulation (PWM) techniques. The two different reference signals such as sinusoidal reference signal and trapezoidal reference signal are used. A triangular carrier signal is compared with those reference signals and generates PWM pulses. The mathematical model of HERIC inverter is developed using MATLAB/Simulink. The performance indexes used in this comparison are THD, fundamental output voltage and RMS value of output voltage.

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2017 Second International Conference on Recent Trends and Challenges in Computational Models (ICRTCCM)

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