Abstract
In this paper, the 12/8-pole wound field doubly salient generator (WFDSG) equipped with the full bridge rectifier (FBR) is adopted. The maximum power generated by WFDSG in FBR topology is hampered by the armature current commutation overlap under a certain speed. To improve the power density of WFDSG in FBR, FBR with serial compensation capacitors topology is proposed. The influences of the serial capacitors' capacitance on the generation process of WFDSG system are studied in detail. The simulation waveforms under various serial capacitors are obtained and interpreted. The output voltage versus load current and output power versus load current characteristics with various serial capacitors are obtained to instruct the selection of the serial capacitors under different operation situations. The simulation results indicate that the maximum output power of WFDSG will increase distinguishingly and the output voltage regulating rate declines dramatically when the serial capacitors are chosen appropriately compared with FBR topology under the identical circumstances. Therefore, the FBR with serial compensation capacitors, which boosts the maximum output power and ameliorates the output voltage regulating rate, is a promising option for WFDSG generation system application.
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