SPECIES DISTRIBUTION OF STYRAX SUMATRANA IN NORTH SUMATRA USING MAXENT MODELLING APPROACH



Control of Ripple Eliminators to Improve the Power Quality of DC Systems and Reduce the Usage of Electrolytic Capacitors

The problem of voltage/current ripples has become a primary power quality issue for dc systems, which could seriously degrade the performance on both the source side and the load side and lead to reliability concerns.In this paper, a single-phase Pulse width modulation-controlled rectifier is taken as an example to investigate how active control st

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