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A test was performed on the short-circuit current of a hybrid HVDC circuit breaker for the first set of flexible DC loop network system with the highest voltage class of ±500kV in the world, and this paper makes an analysis of the breaking function of a DC circuit breaker configured in a distributed manner in a symmetrical bipolar wiring mode. By setting up a four-terminal loop flexible DC...
In this paper, we studied the nonlinear effects arising from large thickness-shear deformation on transient process in an AT-cut quartz crystal plate resonator operating in thickness-shear modes. Based on the Mindlin's plate theory, a system of first-order nonlinear equations of the vibration amplitude evolution was obtained when the evolution amplitude is much slower compared to the high-frequency...
We study thickness-twist vibrations of a rotated Y-cut quartz plate with two pairs of electrodes. One is a known driving voltage. The other is connected to an output circuit. The structure can operate as a filter. Both free and electrically forced vibrations are studied. Resonant frequencies, mode shapes and the related energy trapping, output voltage, input admittance, and input and output powers...
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