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The application of reduced common mode voltage pulse width modulation methods bring much high order harmonics to the variable speed drive system, which causes considerable iron loss inside the electric motor. In this paper, an improved iron loss model considering those high order harmonics is proposed. Iron loss coefficients are obtained based on experimental data by utilizing multiple linear regression...
This paper presents a new topology of higher order power filter for grid-tied voltage-source inverters, named the LCL-LC filter, which inserts an extra capacitor connected in parallel to the Lf-Cf series resonant circuit of LLCL filter Particularly, it can strongly attenuate the harmonic currents around the switching frequency, and the attenuation rate become -60dB at high frequency which leading...
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