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A novel wide area backup protection based on multi-agent technique for series compensated lines is proposed in this paper. The principle of conventional distance protection could be remained normally, and the operating procedure of relaying devices in adjacent substations would be coordinated by each agent within protected area. The simulation tests of practical series compensation project based on...
The paper analyzed all the possible faults that may happen in stator of Pubugou 600 MW multi-branch hydro generator. And transient electrical characteristics of these faults are simulated by simplified simulation model, which is constructed based on dual damper in each pole principle. Based on simulation data, the protection effects of different protection theories under different stator branch grouping...
In order to analyze the dynamic performance for hydro-generator under loss of excitation (LOE) condition more effectively, based on MATALB, a mathematical model of hydro-generator under LOE condition is constructed in this paper. The model includes synchronous generator model, speed governor model, hydraulic turbine model, excitation regulation model and transmission line model. Several types of LOE...
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