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Power factor improvement using adaptive fuzzy logic control based D-STATCOM

机译：使用基于D-STATCOM的自适应模糊逻辑控制提高功率因数

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摘要

This work is devoted to solve reactive power and poor power factor problems that occur during the integration of renewable energy sources into the grid. For that, a Distributed Static Synchronous Compensator (D-STATCOM) is proposed. A comparative study of the compensator performance is done with a linear PI-feedforward control technique and a decoupled adaptive fuzzy logic control (AFLC) method. The last one outperforms and it reduces the number of control loop, eliminates the interaction of LCL filter parameters. The AFLC damps the resonance phenomena and reduces the effect of harmonics on the power system around the resonance frequency. In addition, the AFLC had carried robustness even in the presence of structured and unstructured uncertainties. The investigation shows that the performance of the compensator is improved at the presence of the AFLC where the measured values track references perfectly without any overshoot.
机译：这项工作致力于解决在将可再生能源整合到电网过程中发生的无功功率和功率因数不佳的问题。为此，提出了一种分布式静态同步补偿器（D-STATCOM）。使用线性PI前馈控制技术和去耦自适应模糊逻辑控制（AFLC）方法对补偿器性能进行了比较研究。最后一个性能好，它减少了控制回路的数量，消除了LCL滤波器参数之间的相互作用。 AFLC可以抑制共振现象，并减少共振频率附近的谐波对电力系统的影响。此外，即使在存在结构性和非结构性不确定性的情况下，AFLC也具有鲁棒性。研究表明，在AFLC的存在下，补偿器的性能得到了改善，在AFLC中，测量值可以完美地跟踪参考值而不会出现过冲。

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