10kw并网光伏发电系统的建模、控制与实验实现

2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI:10.1109/PEDES.2014.7041997

R. Behera, O. Ojo

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引用次数: 2

摘要

分布式并网光伏作为一种电力供应资源和电网的重要组成部分，发挥着重要的作用。然而，当电网是弱电网时，光伏发电带来了一些显著的挑战。本文对并网逆变器进行了建模和仿真。逆变器的输出功率必须满足电能质量、直流电流注入、功率因数等实用要求。网格同步是网格接口系统关注的另一个问题，需要对网格变量进行连续监测。因此，注入电流波形的参考模板由频率和相位等网格变量导出。对并网逆变器的完整控制算法进行了仿真，并对单相并网的10kw太阳能光伏发电系统进行了实验验证。为了提高太阳能光伏系统的性能，设计了LCL滤波器。

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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Modeling, control and experimental realization of a 10 kW grid connected PV power system

Distributed grid connected photovoltaic (PV) is playing a significant role as an electric supply resource and as an integral part of grid. However, PV poses some notable challenges when the grid is a weak grid. In this paper, a grid tie inverter is modeled and simulated. The power output of inverter must meet the utility requirements such as power quality, dc current injection, power factor etc. Grid synchronization is another concern for grid interfaced system and need continuous monitoring of grid variables. Hence, the reference template for the injected current waveform is derived from grid variables such as frequency and phase. The complete control algorithm of grid-tie inverter is simulated and experimental verification is carried out for a single phase grid connected 10 kW solar PV power systems. A LCL filter is designed to improve the performance of the solar PV system.

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来源期刊

2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)

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