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According to the concept of electromagnetic aeroelastic energy harvesting system, two kinds of magnetic levitation-based electromagnetic energy conversion devices with different winding schemes are designed, and the flutter is simulated by the simple harmonic motion with given amplitude and frequency. The energy conversion capacity of this device was calculated and analyzed. The output voltage and...
This paper describes how to calculate the magnetic shielding effectiveness of current comparator, considering air gap which is inevitable for the magnetic shielding. The method was verified to be accurate and effective by finite element method (FEM).
In order to minimize the uncertainty of direct current comparator (DCC), the effect of interfering flux on DCCs is investigated here. Some important concerns are studied, such as the number of bus-bars, the window shape of bus-bars, the distance between the bus-bars and core, etc. The investigations are performed by finite element method (FEM). The results show that the bus-bars should be configured...
Inherent ratios of DCCs are revealed between series and parallel connections of n sections of primary windings with the same nominal turns. By keeping the current buses geometric position fixed, leakage flux effects are maintained unchanged between series and parallel switch. A series of DCCs is calibrated under rated ampere turns for current dissemination from 5 A to 5 kA.
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