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Heuristic Optimization of Supplementary Controller for VSC-HVDC/AC Interconnected Grids Considering PLL

机译：考虑PLL的VSC-HVDC / AC互联电网辅助控制器的启发式优化

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摘要

This paper presents a new approach to enhance the dynamic responses of AGC in power systems by means of heuristic optimization of VSC-HVDC supplementary controllers. The upcoming power electronics-based VSC-HVDC transmission systems offer new features that would be advantageous for improving the frequency control and thus for enhancing the stability of the transmission grids. In this paper, the parameters of the proposed control modulation are tuned using Genetic Algorithm and Simulated Annealing methods. The performance of the proposed intelligent based tuning approach is assessed through MATLAB simulations for an AC/DC interconnected system. For the sake of detailed analysis, the effects of PLL and frequency measurements are also included in the VSC-HVDC system modeling. Furthermore, to show merits of the proposed strategy, a comparison between AC and DC transmissions is presented.
机译：本文提出了一种通过启发式优化VSC-HVDC辅助控制器来增强电力系统AGC动态响应的新方法。即将到来的基于电力电子技术的VSC-HVDC传输系统提供了新功能，这些功能将有利于改善频率控制，从而增强传输电网的稳定性。在本文中，使用遗传算法和模拟退火方法对提出的控制调制的参数进行了调整。通过基于MATLAB的AC / DC互连系统仿真，可以评估所提出的基于智能的调谐方法的性能。为了进行详细分析，VSC-HVDC系统建模中还包括了PLL和频率测量的影响。此外，为了显示所提出策略的优点，提出了交流和直流传输之间的比较。

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