Abstract: A homopolar alternating current machine (HAM) is disclosed which includes a stator having a plurality of segments radially protruding outward, each segment includes a main winding, a first auxiliary winding, and a second auxiliary winding, whereby each of the first and second auxiliary windings are coupled to each other in a parallel manner, a first rotor disposed proximate the stator, a second rotor disposed proximate the stator, and a dc flux source corresponding to each of the first and second rotors, whereby substantially no excitation of the first and the second auxiliary windings of each stator segment of the plurality of segments is needed to operate the HAM, whereby when energized, there is substantially no DC flux in each of the main winding, wherein operating the HAM results in a substantially sinusoidal current waveform without a DC offset, and wherein the HAM can be operated as a motor or generator.

Abstract: A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.

Abstract: A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.

Abstract: A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.

Abstract: A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.

Abstract: A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.

Abstract: A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.

Abstract: A reluctance machine is disclosed. The reluctance machine includes a stationary member including a housing, a plurality of windings disposed in the housing, a plurality of electrical connections each electrical connection coupled to a corresponding winding of the plurality of windings, and a plurality of teeth coupled to the housing, a rotating member having a center including a mechanical coupling member formed about the center, and a plurality of outwardly protruding poles centrally located within the stationary member each outwardly protruding pole having a continuous outer surface adjacent to at least one tooth of the plurality of teeth, wherein each outer surface of each outwardly protruding pole having a first portion being a first distance away from the center and a second portion being a second distance away from the center.

Abstract: A reluctance machine is disclosed. The reluctance machine includes a stationary member including a housing, a plurality of windings disposed in the housing, a plurality of electrical connections each electrical connection coupled to a corresponding winding of the plurality of windings, and a plurality of teeth coupled to the housing, a rotating member having a center including a mechanical coupling member formed about the center, and a plurality of outwardly protruding poles centrally located within the stationary member each outwardly protruding pole having a continuous outer surface adjacent to at least one tooth of the plurality of teeth, wherein each outer surface of each outwardly protruding pole having a first portion being a first distance away from the center and a second portion being a second distance away from the center.