HIGHLIGHTS
SUMMARY
The multipulse transformer allows low-frequency current harmonics cancellation generated by diode rectifiers, obtaining an AC total input current with low THD. Despite these efforts, the topology still requires an input multipulse transformer, which is bulky, expensive, complicated to manufacture, and must be designed for a specific number of power cells and power, which avoids extending the modularity of the power cell up to the input transformer. The multipulse input transformer is replaced by a conventional wye-to-wye transformer to extend the modularity of the power cell, leaving the task of harmonic minimization . . .
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