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首页> 外文会议>International Conference on Signal Processing, Communication, Power and Embedded System >Performance Analysis of Grid Connected Solar Photo-Voltaic System under Grid Abnormal Conditions
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Performance Analysis of Grid Connected Solar Photo-Voltaic System under Grid Abnormal Conditions

机译：电网异常条件下网格连接太阳能光伏系统的性能分析

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摘要

This work deals with a single phase single stage multifunctional grid interfaced solar photovoltaic (SPV) system. The single stage topology utilized in the grid connected PV system has the advantages of high efficiency and low cost compared with the two stage topology the primary function of the grid connected inverter in a single stage SPV system is to supply active power into load and grid. The added functions to the grid connected inverter are compensation for reactive power requirements and mitigation of the harmonics produced by the nonlinear loads connected at the point of grid connection. A hill climbing MPPT controller is used for tracking the maximum power from photovoltaic array under grid abnormal conditions. The PV array is connected to voltage source converter (VSC) through DC link. The MPPT controller estimates reference PV voltage and corresponding PV power. A PLL-less control [3] is used for control of multifunctional VSC. The voltage source converter (VSC) controller uses the load and PV forward terms for fast dynamic response. The performance of the SPV system is analyzed under grid abnormal conditions (sudden sag and swell). The simulation studies are performed on MATLAB/SIMULINK.
机译：这项工作涉及单相单级多功能电网接口太阳能光伏（SPV）系统。网格连接的PV系统中使用的单级拓扑结构具有高效率和低成本的优点，与两个阶段拓扑相比，网格连接逆变器在单级SPV系统中的初级功能是向负载和网格提供有功功率。网格连接逆变器的附加功能是对无功功率要求的补偿和通过在网格连接点连接的非线性负载产生的谐波的减轻。爬山MPPT控制器用于跟踪来自电网异常条件下的光伏阵列的最大功率。 PV阵列通过直流链路连接到电压源转换器（VSC）。 MPPT控制器估计参考PV电压和相应的PV电源。较少的PLL控制[3]用于控制多功能VSC。电压源转换器（VSC）控制器使用负载和PV前进术语进行快速动态响应。在网格异常条件下分析SPV系统的性能（突然下垂和膨胀）。在MATLAB / SIMULINK执行模拟研究。

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