Solid state multi-pole and uni-pole electric generator rotor for AC/DC electric generators

A power generator comprising:

• a stator having a cavity and stator wires configured to provide output power;
• a static rotor inserted in the cavity and outside the stator wires, wherein during operation, the static rotor remains stationary within the cavity of the stator of the power generator and generates a rotating magnetic field sequentially excited by an electric excitation system, wherein the static rotor includes:
• a supporting shaft;
• a plurality of salient pole pieces circularly arranged around the supporting shaft, wherein a first end of each salient pole piece is attached to the supporting shaft and a second end of each salient pole piece is toward an inner circumference of the cavity;
• and
• wires wound around each salient pole piece, wherein when the wires of the plurality of salient pole pieces are sequentially excited by the electric excitation circuit, the salient pole pieces are energized to provide a moving magnetic field comprised of distinct poles;
• and
• a controller for controlling a power generator having the static rotor, the controller comprising:
• connection terminals coupled to an electric circuit connected to the wires through terminal blocks;
• a processor configured to:
• determine an excitation cycle based on a target frequency of the power generator;
• and
• switch the electric circuit to excite the wires to energize the plurality of salient pole pieces sequentially according to the excitation cycle such that each salient pole piece is energized in a first polarity in a first half of the excitation cycle and energized in a second polarity in a second half of the excitation cycle.

A computer-controlled excitation system, comprising:

• an electric circuit connected to wires of a static rotor in a power generator, wherein during operation, the static rotor remains stationary within a cavity of the stator of the power generator and generates a rotating magnetic field sequentially excited by an electric excitation system, wherein the static rotor includes a plurality of salient pole pieces wound with the wires, the electronic circuit comprising:
• the computer-controlled excitation system having at least two controlled channels;
• a plurality of pole switching circuits coupled to at least two control channels,
• wherein the pole switching circuits are connected to the wires of the plurality of salient pole pieces, wherein each pole switching circuit includes a plurality of switching elements switched on and off by at least two control channels to excite the wires to energize the plurality of salient pole pieces sequentially;
• and
• a non-transitory computer readable medium having instructions stored thereon, wherein the instructions, when executed by a processor performs a method for controlling the power generator, the method comprising:
• determining an excitation cycle based on a target frequency of the power generator;
• and
• switching an electric circuit connected to the wires to excite the wires to energize the plurality of salient pole pieces sequentially according to the excitation cycle such that each salient pole piece is energized in a first polarity in a first half of the excitation cycle and energized in a second polarity in a second half of the excitation cycle.