Frequency Control and small signal stability Improvement with Fuzzy control based Single and two area power systems

2022 IEEE Fourth International Conference on Advances in Electronics, Computers and Communications (ICAECC) Pub Date : 2022-01-10 DOI:10.1109/ICAECC54045.2022.9716680

Venu Yarlagadda, G. Lakshminarayana, M. Nagajyothi, I. Neelima

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引用次数: 2

Abstract

Modern Power systems are designed for the fine tuning of frequency and less tolerance for system frequency deviation from nominal value. The Power System is dynamically subjected to the small perturbations of load leading to non-oscillatory Instability due to insufficient damping. The article entente the single area and two area load frequency control and small signal stability analysis. It dispenses the simulation of single area and two area systems with small perturbations of load, with three cases for both kinds of power systems. Case1 without any controller, case2 with PI controller and case3 with Fuzzy Controllers. The simulation is carried out for both single area and two area power systems with all three cases. In the first part of the case study, the simulation results of single area power system for all three cases have been presented. In the second part, the simulation results of two area power system for all three cases have been presented. The simulation results demonstrate the effectiveness of Fuzzy Control perpetuates the frequency with in the endurable range of frequency and subsequently it ensures the small signal stability of both the Power systems against load disturbances.

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基于模糊控制的单、两区电力系统频率控制及小信号稳定性改进

现代电力系统是为频率的微调而设计的，对系统频率偏离标称值的容忍度较小。电力系统动态地受到负荷的微小扰动，由于阻尼不足而导致非振荡性失稳。本文进行了单区和双区负荷频率控制和小信号稳定性分析。省去了负荷小扰动的单区系统和双区系统的仿真，两种电力系统分别有三种情况。Case1不带任何控制器，case2带PI控制器，case3带模糊控制器。分别对单区和双区电力系统进行了仿真。在案例研究的第一部分，给出了三种情况下的单区域电力系统的仿真结果。第二部分给出了三种情况下两区电力系统的仿真结果。仿真结果表明，模糊控制能有效地使频率保持在可承受的频率范围内，从而保证了电力系统对负荷扰动的小信号稳定性。

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2022 IEEE Fourth International Conference on Advances in Electronics, Computers and Communications (ICAECC)

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