نتایج جستجو برای: power system stabilizer
تعداد نتایج: 2586309 فیلتر نتایج به سال:
Department of Electrical Engineering, AU college of Engineering, Andhra University, Visakhapatnam, India 2 Research Scholar, Department of Electrical Engineering, AU college of Engineering, Andhra University, Visakhapatnam, India Abstract Power System Stabilizer (PSS) must be capable of providing appropriate stabilization signals over a broad range of operating conditions and disturbances. Trad...
Power system stabilizers (PSSs) must be capable of providing appropriate stabilization signals over a broad range of operating conditions and disturbances. The main idea of this paper is changing a classic PSS (CPSS) to an adaptive PSS using genetic algorithm. This new genetic algorithm based on adaptive PSS (GAPSS) improves power system damping, considerably. The controller design issue is for...
This paper proposes a new approach for combining genetic algorithm and sliding mode control to design the power system stabilizers (PSS). The design of a PSS can be formulated as an optimal linear regulator control problem. However, implementing this technique requires the design of estimators. This increases the implementation and reduces the reliability of control system. These reasons, there...
Power system stabilization is a major issue in the area of power systems research. The Conventional Power System Stabilizer (CPSS) parameters are tuned by using Genetic Algorithm to achieve proper damping over a wide range of operating conditions. The CPSS lack of robustness over wide range of operating conditions. In this paper type-2 Fuzzy Logic Power System Stabilizer (FLPSS) is presented to...
In this paper, an evolutionary algorithm-Invasive Weed Optimization (IWO) based power system stabilizer (PSS) is proposed for multi-machine power system. IWO is a derivative-free real parameter optimization technique that mimics the ecological behavior of colonizing weeds. Owing to its superior performance in comparison with many other existing meta-heuristics, it has used to search for optimal...
Abstract In this paper, the design of a proportional, derivative and integral (PID) based power system stabilizer (PSS) is carried out using a new Meta heuristic harmony search algorithm (HSA) to optimize the parameters. The design of proposed PID controller is considered with an objective function based on eigenvalue shifting to guarantee the stability of nonlinear plant for a wide range of co...
Enhancement of Power System Stability Using a Novel Power System Stabilizer with Large Critical Gain
Abstract: Power system stabilizers (PSSs) are widely used for suppressing low frequency oscillations in practical power systems. However, according to the requirement of the “guide for setting test of power system stabilizer” of China, PSS gain is limited to no more than 1/3 of its critical gain. As a result, PSSs may not provide enough damping to the inter-area mode oscillations. Through analy...
This paper introduces a fuzzy controller as a power system stabilizer used to damp inter-area modes of oscillation following disturbances in power system. The fuzzy-logic power system stabilizer (FPSS) has been designed to provide a supplementary signal to the excitation system of the synchronous generator. The performance of FPSS, which is tuned automatically as the operating conditions of pow...
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