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- 저자 : Ali Asghar Shojaei (검색결과 2 건)
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Ali Asghar Shojaei,Mohd Fauzi Othman,Masoud Samadi 제어로봇시스템학회 2015 제어로봇시스템학회 국제학술대회 논문집 Vol.2015 No.10
Flexible AC transmission system devices are used in power transmission networks in order to increase the maximum power transmission and stability. They as well, help to damp low frequency oscillations for both local and internal areas. On the other hand, the design of these devices with uncoordinated Power System Stabilizer (PSS) may degrade the performance of the power system. In addition, the power systems are vast, complex and nonlinear. Linear control strategies do not have a satisfactory performance for these systems, especially when some disturbances occur. In this study a nonlinear control strategy based on Recurrent Neural Network (RNN) is designed to control PSS and ASMES for a standard power system. The results demonstrate that the proposed coordinated control strategy based on RNN lead to improvement in stability of frequency and terminal voltage responses of the generator.
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Kiomarsi Farshid,Shojaei Ali Asghar,Soltani Sepehr 한국원자력학회 2020 Nuclear Engineering and Technology Vol.52 No.7
The location selection for nuclear power plants (NPP) is a strategic decision, which has significant impact operation of the plant and sustainable development of the region. Further, the ranking of the alternative locations and selection of the most suitable and efficient locations for NPPs is an important multi-criteria decision-making problem. In this paper, the non-sequential Monte Carlo probabilistic method and the Latin hypercube sampling probabilistic method are used to evaluate and select the optimal locations for NPP. These locations are identified by the power plant's onsite loads and the average of the lowest number of relay protection after the NPP's trip, based on electricity considerations. The results obtained from the proposed method indicate that in selecting the optimal location for an NPP after a power plant trip with the purpose of internal onsite loads of the power plant and the average of the lowest number of relay protection power system, on the IEEE RTS 24-bus system network given. This paper provides an effective and systematic study of the decision-making process for evaluating and selecting optimal locations for an NPP
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