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In stand-alone brushless doubly fed generator (BDFG) based shaft power generation system, the output voltage of BDFG is strong influenced by the filter of load side converter (LSC) because of the coupling caused by the stator power winding leakage inductance. In order to eliminate the harmonic of the voltage, the LC-L filter based on the leakage inductance is put forward in this paper. The relationship...
A series-resonant single-phase series-resonant AC chopper is presented. The presented single-phase AC chopper is configured by a series-resonant conversion without cycloconversion and auxiliary switches. The presented single-phase AC chopper is a series resonator with four main switches to configure adaptively the resonant voltage robes. The synthesized sinusoidal waveform (SSW) before output filter...
This paper proposes a current-balancing technique to equalize the driving currents for multiple cold-cathode fluorescent lamps (CCFLs) by modulating the fundamental components and harmonics in each lamp currents. First, we adopt a class D resonant inverter as the main circuit. Next, we introduce an averaging circuit incorporating the PWM control to form a new current-sharing controller, where the...
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