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This paper presents a successful design of a high-efficiency interior permanent-magnet generator which keeps terminal voltage constant from no load to rated load under a constant speed. This means the generator does not need the voltage control due to the voltage drop associated with the increase in load. Time-stepping finite-element analysis has been used to successfully predict the electromotive...
This paper presents a novel single-phase reluctance generator with low-cost ferrite magnets between adjacent stator teeth. The stator has both 4-pole field and 8-pole armature windings. The armature windings are connected to the input terminals of a single-phase full-bridge rectifier circuit as AC power source. The DC output terminals are connected to the field windings to increase the excited flux...
The melt-spun Fe83.3-84.3Si4B8P3-4Cu0.7 (at%) alloys have heterogeneous amorphous structures including a large amount of alpha-Fe clusters with less than 3 nm in size after rapid solidification, due to the unusual effect of the simultaneous addition of the small amounts of P and Cu. A homogeneous nanocrystalline structure composed of alpha-Fe grains with a size of about less than 20 nm can be realized...
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