An Intelligent Technique for Load Frequency Control in Hybrid Power System

Abstract

AbstractAs the world's population grows, so does the demand for energy resources. Even with conventional energy sources, it's getting increasingly difficult to keep up with rising electricity demand. In recent years, research and development into renewable energy sources, as well as improvements in power output, have contributed to decrease the supply-demand mismatch. [1]. The advantages of renewable energy sources for electricity generation include clean, sustainable, eco-friendly, and non-renewable resources. The main disadvantage is that their behavior is erratic[2]. In order to boost the reliability of local grid power supply, renewable sources such as wind, mini/micro hydro, and others are integrated with diesel electric power generation systems to supply power to isolated loads[3]. The supply-demand mismatch can be reduced if some of the locations have stand-alone power systems to meet local needs. An isolated hybrid power system is considered here, with intelligent control techniques used to regulate frequency and generated power. In addition to the wind's unpredictability, frequent changes in load requirements can result in significant and harmful power fluctuations. Serious frequency and voltage fluctuations in the grid may result from the output power of such renewable sources fluctuating[4]. It is crucial to have a good frequency controller. The system's dynamic performance is maintained while the frequency deviation is reduced via the load frequency control (LFC). These criteria might be satisfied by the load frequency controller, an additional controller for the diesel generator.