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首页> 外文期刊>International journal of systems assurance engineering and management >A hybrid modified differential evolution-pattern search approach for SSSC based damping controller design under communication constraints
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A hybrid modified differential evolution-pattern search approach for SSSC based damping controller design under communication constraints

机译：通信约束下基于SSSC的阻尼控制器设计的混合改进差分进化模式搜索方法

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摘要

Modern power systems depend greatly on their control systems which operate over communication networks to alleviate the effects of disturbances in the power system. However, it introduces vulnerabilities such as constraints of the communication and control systems that relay precarious control signals. In power systems, damping controllers using feedback signals from remote locations are likely to be adversely affected by communication constraints in future. In this study, an approach is employed to construct the remote control input signal from locally measurable quantity so that the control system performs satisfactorily under communication failure. A hybrid of global search (i.e. differential evolution: DE) and local search (i.e. pattern search: PS) technique is employed for static synchronous series compensator-based damping controller design in Single Machine Infinite Bus and multi-machine power systems. Proposed algorithm is first tested using bench mark test functions and compared with other recent state of art algorithms as well as some other recent variants of DE to validate the efficiency of the proposed approach. It is demonstrated that the proposed methodology provides better damping performance compared to some recently published methodologies.
机译：现代电力系统极大地依赖于其控制系统，该控制系统通过通信网络进行操作以减轻电力系统中的干扰影响。但是，它引入了漏洞，例如中继不稳定控制信号的通信和控制系统的约束。在电力系统中，使用来自远程位置的反馈信号的阻尼控制器将来可能会受到通信限制的不利影响。在这项研究中，采用一种方法根据本地可测量的量来构建远程控制输入信号，从而使控制系统在通信失败时能够令人满意地执行。在单机无限母线和多机动力系统中，基于静态同步串联补偿器的阻尼控制器设计采用了全局搜索（即差分进化：DE）和局部搜索（即模式搜索：PS）的混合技术。首先使用基准测试功能对提出的算法进行测试，并将其与其他最新的现有技术算法以及DE的其他一些最新变体进行比较，以验证所提出方法的效率。结果表明，与最近发布的一些方法相比，该方法可提供更好的阻尼性能。

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