一种新的软计算模糊逻辑双区混合电力系统调频方案

Namburi Nireekshana, R. Ramachandran, G. V. Narayana
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引用次数: 0

摘要

现代可再生能源电力系统的设计提供了显著的应用效益,但也产生了损失。为了保证结构化电力系统的可靠运行,必须平衡总发电量、总负荷需求和系统损耗。实际和无功功率平衡由于负荷需求的变化而受到干扰。系统频率和联络线交换功率因此偏离其计划值。过高的系统频率偏差会导致系统崩溃。在这种情况下,多个连接区域系统使用智能负载频率控制技术来提供可靠和高质量的频率和线路功率流。这里考虑的是一个独立的混合动力系统,其发电功率和频率被智能控制。除了不可预测的风的性质,频繁的调整负载剖面可以产生相当大的和有害的功率变化。这种可再生能源的输出功率可能会波动到引起电网中显著的频率和电压变化的程度。最近提出了一种智能方法来解决互联电力系统的负载频率控制(LFC)问题,即模糊逻辑PID控制器(FLPIDC)。采用标准比例积分微分(PID)控制器对系统的各个部分进行控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A New Soft Computing Fuzzy Logic Frequency Regulation Scheme for Two Area Hybrid Power Systems
Modern renewable energy power system designs provide significant application benefits, but they also produce losses. The total generation, total load demand, and system losses must be balanced in order for this structured power system to operate reliably. The actual and reactive power balances are disturbed as a result of changes in load demand. System frequency and tie line interchange power deviate from their planned values as a result of this. A high system frequency deviation can cause the system to crash. In that case, multiple connect area systems use intelligent load frequency control techniques to deliver dependable and high-quality frequency and tie line power flow. Here, a standalone hybrid power system is taken into consideration, with generated power and frequency being controlled intelligently. In addition to the unpredictable nature of the wind, frequent adjustments in the load profile can produce sizeable and detrimental power variations. The output power of such renewable sources may fluctuate to the point that it causes significant frequency and voltage changes in the grid. An intelligent approach recently proposed to address the load frequency control (LFC) issue of an interconnected power system is known as fuzzy logic PID controller (FLPIDC). Standard proportional integral derivative (PID) controllers are used to control each section of the system.
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