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The article presents a simple way of determining induced voltages in the damping bars of salient pole 5.5 kVA salient pole synchronous generator under no load conditions. Field-circuital model created by coupling FEMM and Matlab environments was used for voltage calculation purposes. The simulation results were verified experimentally in the measurement stand utilizing a purpose built special rotor...
This paper builds the mathematical model for the rotor temperature field of a generator-motor. The solved region for the temperature field is simplified according to the symmetry in geometry. Based on the assumptions of the solved region and taken into account the difference between the rotor's windward side and leeward side, the rotor temperature fields are calculated by 3D Finite Element Method...
In this paper, a method of modeling synchronous machines with damper windings based on the winding function approach (WFA) has been proposed. This method of machine analysis with the actual winding distribution does not require neglecting the harmonics of the winding distributions. The proposed model can be used to simulate the machine under faulty conditions such as broken damper bars and end ring,...
In this paper there are presented the experimental results for the average power three-phase synchronous generator, connected successively on a controlled bridge rectifier, also on a half-controlled one. There are taken into account the electrical quantities to the generator windings terminals, the damping winding bars currents and the field in different portions of the magnetic circuit. The results...
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