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Compared to conventional L filters, LCL filters and LLCL filters have better high-frequency harmonic attenuation ability with less total inductance. However, one or two more magnetic cores are commonly demanded for grid-side and paralleled trap inductors. To further reduce the weight and volume of filter inductors, magnetic integration technique is an effective way. For conventional integrated LCL...
Passive power filters are necessary for attenuating the switching frequency harmonics introduced by the modulation of power converters. Recently, various topologies of novel passive power filters have been proposed to enhance their respective attenuation ability with relatively small filter components, i.e., filter inductors and capacitors. This paper reviews the state-of-the-art passive power filters...
In this paper, a double-edge modulation based one-cycle-control (OCC) scheme is presented for regulation of active rectifier. With minor modifications made in OCC core, the nonlinear carrier formed by integration and reset of dc-link voltage error turns out to be a symmetrical triangle waveform in steady-state, which can effectively eliminate the even order harmonics generated by the conventional...
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