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Optimal Real Power Penetration to Solar PV-Fed Double Boost Integrated Multilevel Converter with Improved Power Quality
Journal of Circuits, Systems and Computers ( IF 0.9 ) Pub Date : 2020-03-24 , DOI: 10.1142/s0218126620502564
B. N. Ch. V. Chakravarthi 1 , G. V. Siva Krishna Rao 2
Affiliation  

In grid-connected solar PV system, power quality gets affected seriously due to the variable real power penetration. The transformer is mandatory to integrate and isolate the solar PV and powered network. However, due to presence of this transformer, size and cost of the entire solar PV station get increased and it requires more space while supplying poor quality of power. In order to overcome this drawback, this paper proposes a double boost integrated multilevel inverter to inject the power into utility grid. In addition, the optimal control strategy is used to tap maximum power generation from solar PV and injected into grid with improved power quality. This paper presents an adaptive digital hysteresis current control approach to penetrate optimal power into grid. To validate the proposed work, the simulation results are carried out using PSCAD/EMDTC software. Furthermore, to confirm theoretical study and simulation study, the experimental test was performed and detailed results with validation were presented in this paper.

中文翻译:

太阳能光伏馈电双升压集成多电平转换器的最佳实际功率渗透率提高了电能质量

在并网太阳能光伏系统中,由于实际功率渗透率的变化,电能质量受到严重影响。变压器是集成和隔离太阳能光伏和供电网络的必要条件。然而,由于这种变压器的存在,整个太阳能光伏电站的尺寸和成本都增加了,并且它需要更多的空间,同时提供的电力质量很差。为了克服这一缺点,本文提出了一种双升压集成多电平逆变器,将电力注入公用电网。此外,优化控制策略用于挖掘太阳能光伏的最大发电量并注入电网,提高电能质量。本文提出了一种自适应数字磁滞电流控制方法,以将最佳功率渗透到电网中。为了验证拟议的工作,仿真结果使用 PSCAD/EMDTC 软件进行。此外,为了证实理论研究和模拟研究,本文进行了实验测试,并给出了详细的验证结果。
更新日期:2020-03-24
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