Magnetic capacitive current limit circuit for transformers

A method of operating an AC to DC power supply having an n-step or pulsed power transformer rectifier configured to receive a 3-phase current from a connected 3-phase unregulated AC power source, said n-step or pulsed power transformer rectifier having respective inputs associated with a respective phase, and said power supply including at least a primary transformer winding, and a Delta connected secondary transformer winding and a Wye connected secondary transformer winding, each Delta and Wye connected secondary transformer windings operatively coupled to said n-step or pulsed power transformer rectifier having outputs in parallel to provide a DC voltage output, said method comprising:

• providing at each respective input of a respective phase a nonlinear resonant series LC circuit wherein L is an inductor having an inductance and C is a capacitor having a capacitance, said inductance value and capacitance value of said nonlinear resonant series LC circuit configured to achieve near resonance and below a fundamental frequency of said 3-phase current;
• connecting a power supply load to an output of said AC to DC power supply;
• and
• reducing, based on said configured nonlinear resonant series LC circuit, said AC to DC power supply odd harmonic frequency current components from the line current drawn by said power supply having said connected power supply load, wherein said odd harmonic frequency current components from the line current are reduced to less than approximately 2% of an uncorrected value to thereby reduce electromagnetic interference while achieving a power factor value of greater than about 0.98 at less than about 1% loss in line operating input voltage.