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Inverter Power Stage Connected with PV-Grid

机译：逆变器功率级与光伏电网连接

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This paper focuses on the design of the inverter power stage connected with PV-grid which supports the contrived PV system. The increased number of grid connected photovoltaic (PV) inverters gave rise to problems concerning the stability and safety of the utility grid, as well as power quality issues. The proposed systems can overcome these issues and improve standard regulation methods for gird connected PV inverter. The maximum available voltage in the PV string is tracked by the power stage which has been planned and designed in such a way. The tracked voltage is boosted then. The important components to voltage source inverter (VSI) are boost inductor and input capacitor which are calculated. To get a clear sinusoidal output phase voltage of 230 V from a DC capacitance bus projected to deal with 400 V, the important inverter stage parameters have been planned and modeled in Mat lab. Each block stage of the converter is easily understandable by the Simlink of the dual stage DC-AC converter explanation. The control schemes which have been proposed would compromise with the inverter power stage which forms the neat grid system. The existing renewable energy sources in the laboratory are integrated by the proposed control.
机译：本文重点研究与光伏电网连接的逆变器功率级的设计，该光伏电网支持人为光伏系统。并网光伏（PV）逆变器数量的增加引起了有关公用电网的稳定性和安全性以及电能质量问题的问题。所提出的系统可以克服这些问题，并改善电网连接光伏逆变器的标准调节方法。通过这种方式规划和设计的功率级可跟踪PV串中的最大可用电压。然后，跟踪的电压将升高。电压源逆变器（VSI）的重要组件是经过计算的升压电感器和输入电容器。为了从预计可处理400 V的直流电容总线获得230 V的清晰正弦输出相电压，Mat实验室已计划并建模了重要的逆变器级参数。转换器的每个模块级均可通过双级DC-AC转换器说明的Simlink轻松理解。已经提出的控制方案将与形成整齐的电网系统的逆变器功率级相抵触。拟议的控制措施将实验室中现有的可再生能源整合在一起。

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