科研之友
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摘要
This paper presents application of fuzzy logic controlled superconducting magnetic energy storage device. SMES to damp the frequency oscillations of interconnected two-area power systems due to load excursions The system frequency oscillations appear due to load disturbance To stabilize the system frequency oscillations, the active power can be controlled via superconducting magnetic energy storage device, SMES. The error in the area control and its rate of change is used as controller input signals to the proposed fuzzy logic controller. In order to judge the effect of the proposed fuzzy logic controlled SMES, a comparative study is made between its effect and the effect of the conventional proportional plus integral (PI) controlled SMES The studied system consists of two-area (thermal-thermal) power system each one equipped with SMES unit The time simulation results indicate the superiority of the proposed fuzzy logic controlled SMES over the conventional PI SMES in damping the system oscillations and reach quickly to zero frequency deviation The system is modeled and solved by using MATLAB software.
- 出版日期2010-6
