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This paper presents results of the validity study of the use of MATLAB/Simulink synchronous-machine block for power-system stability studies. Firstly, the waveforms of the theoretical synchronous-generator short-circuit currents are described. Thereafter, the comparison between the currents obtained through the simulation model in the sudden short-circuit test, are compared to the theoretical ones...
Generator differential protection is one of the most important electrical protections of synchronous generator. Its operation principle is based on the comparison of the input current and output current at each phase winding and it allows the trip when the currents are not similar. In many cases, a false differential current causes unwanted trip commands as a result of the saturation of current transformers...
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