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In this paper self-excitation phenomena which may occur in no-load generator with a long line is investigated. With the analysis of the physical process of self excitation and adoption the Π-type equivalent model for the line, the effect of frequency on self-excitation is evaluated, and an expression of self-excitation at the critical frequency is proposed. Note that systems may experience transition...
Fault current limiter can quickly limit the short circuit current and ensure the safety and operation stability of the system. This is a potential short-circuit current limited technique. There are various classes of Fault Current Limiter(FCL), this paper presents the research mainly based on high-voltage current-limiting fuses and Fault current limiter for rapid isolating. Because the simulation...
Real-time digital simulation has been widely used in power system analysis, which is becoming a very important tool to system planning, feasibility studies, and new equipment design, and the accuracy of real-time digital simulation has great effects on the security and economic efficiency of power system operation. In this paper, residual similarity is calculated by average percentage error, and shape...
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