A power electronics system, comprising: a first inverter configured to receive direct current, DC power from a power source; a second inverter configured to receive DC power from the power source; a first inductor coil winding including a first series of concentric circular turns in a first plane and a first series of concentric elongated turns in a second plane parallel to the first plane, the first series of concentric circular turns forming a first circular opening and the first series of concentric elongated turns forming a first elongated opening, such that the first circular opening overlaps in part the first elongated opening, the first circular opening accommodating a first self-inductance core and the first elongated opening accommodating a coupled core and the first self-inductance core, a second inductor coil winding including a second series of concentric circular turns in the second plane and a second series of concentric elongated turns in the first plane, the second series of concentric circular turns forming a second circular opening and the second series of concentric elongated turns forming a second elongated opening, such that the second circular opening overlaps in part the second elongated opening, the second circular opening accommodating a second self-inductance core and the second elongated opening accommodating the coupled core and the second self-inductance core; wherein the first series of concentric circular turns forms a first output inductor (412, L1A, L1B, L1C) connected in series to an alternating current, AC output of the first inverter; wherein the second series of concentric circular turns forms a second output inductor (422, L2A, L2B, L2C) connected in series to an AC output of the second inverter; wherein the first series of concentric elongated turns and the second series of concentric elongated turns together form a coupling inductor (430, 530, LAcoupled, LBcoupled, LCcoupled) configured to receive current from the first output inductor (412, L1A, L1B, L1C) and the second output inductor (422, L2A, L2B, L2C), the coupling inductor having an output; an output capacitor (Cf, 540) having a first end coupled to the output of the coupling inductor; and an AC power output to provide current from the coupling inductor. a first inverter configured to receive direct current, DC power from a power source; a second inverter configured to receive DC power from the power source; a first inductor coil winding including a first series of concentric circular turns in a first plane and a first series of concentric elongated turns in a second plane parallel to the first plane, the first series of concentric circular turns forming a first circular opening and the first series of concentric elongated turns forming a first elongated opening, such that the first circular opening overlaps in part the first elongated opening, the first circular opening accommodating a first self-inductance core and the first elongated opening accommodating a coupled core and the first self-inductance core, a second inductor coil winding including a second series of concentric circular turns in the second plane and a second series of concentric elongated turns in the first plane, the second series of concentric circular turns forming a second circular opening and the second series of concentric elongated turns forming a second elongated opening, such that the second circular opening overlaps in part the second elongated opening, the second circular opening accommodating a second self-inductance core and the second elongated opening accommodating the coupled core and the second self-inductance core; wherein the first series of concentric circular turns forms a first output inductor (412, L1A, L1B, L1C) connected in series to an alternating current, AC output of the first inverter; wherein the second series of concentric circular turns forms a second output inductor (422, L2A, L2B, L2C) connected in series to an AC output of the second inverter; wherein the first series of concentric elongated turns and the second series of concentric elongated turns together form a coupling inductor (430, 530, LAcoupled, LBcoupled, LCcoupled) configured to receive current from the first output inductor (412, L1A, L1B, L1C) and the second output inductor (422, L2A, L2B, L2C), the coupling inductor having an output; an output capacitor (Cf, 540) having a first end coupled to the output of the coupling inductor; and an AC power output to provide current from the coupling inductor.