Methods and apparatus for ride-through operation of a complementary device to a transient power source

A system for providing a transient power supply, comprising:

• a direct current (dc) bus configured to route dc power;
• power conversion circuitry electrically coupled to the dc bus and configured to convert dc power to a first alternating current (ac) power;
• a power source configured to provide second ac power at a selectable frequency and electrically coupled to the dc bus;
• an induction device, comprising:
• a kinetic energy storage device;
• a stator having a rotor chamber and electrical conductors configured to receive the second ac power;
• and
• a rotor disposed in the rotor chamber and mechanically coupled to the kinetic energy storage device, wherein the power source is configured to provide second ac power at the selected frequency to generate power from the induction device during a transient power condition;
• and
• a complementary device configured to cooperate with the induction device and configured to receive first ac power from the power conversion circuitry.

A system for providing a transient power supply, comprising:

• a rotatable kinetic energy storing device;
• first power conversion circuitry configured to convert inputted power between a direct current (dc) power and a first alternating current (ac) power and to receive the first ac power from an external power source;
• a dc bus electrically coupled to the first power conversion circuitry;
• second power conversion circuitry that is electrically coupled to the dc bus and that is configured to convert inputted power between the dc power and a second alternating current (ac) power at a selectable frequency;
• third power conversion circuitry that is electrically coupled to the dc bus and that is configured to convert the dc power to a third ac power;
• a dc bus electrically coupling the first and second power conversion circuitry;
• and
• an electrical machine, comprising:
• a stator having a rotor chamber and a plurality of electrical conductors configured to receive the second ac power from the second power conversion circuitry;
• and
• a rotor disposed in the rotor chamber and mechanically coupled to the rotatable kinetic energy storage device, wherein the selectable frequency is based on the operating parameter of the electrical machine and facilitates power generation of a third ac power by the electrical machine;
• and
• a complementary deice configured to facilitate operation of the electrical machine and to receive ac power to operate from the third power conversion circuitry.

A system for providing a transient power supply, comprising:

• first power conversion circuitry electrically coupled to a first bus configured to transmit a first alternating current (ac) power at a first frequency, the first power conversion circuitry being configured to convert a first inputted power between the first ac power and a dc power;
• second power conversion circuitry electrically coupled to the first power conversion circuitry via a second bus configured to transmit the dc power, the second power conversion circuitry being configured to convert a second input power between a second ac power at a second frequency that is variable and the dc power;
• an electrical machine, comprising:
• a rotatable flywheel;
• a stator having a rotor chamber and a plurality of stator windings configured to receive the second ac power;
• and
• a rotor disposed in the rotor chamber and mechanically coupled to the rotatable flywheel;
• a sensor configured to sense an operating parameter of the electrical machine, wherein the second frequency is based on the operating parameter and facilitates the generation of a third ac power at the second frequency by the electric machine during operation;
• and
• third power conversion circuitry coupled to the second bus and configured to convert the dc power to a fourth ac power at a third frequency;
• and a complementary device configured to receive the fourth ac power to operate.

A method providing operating power to a complementary device to an electrical machine, comprising:

• converting a provided power to a first alternating current (ac) power at a selectable frequency;
• providing the first ac power to electrical conductors disposed in the electrical machine at the selectable frequency to produce generated ac power via the electrical machine;
• converting the generated ac power to a generated dc power;
• and
• converting the generated dc power to a second ac power to operate the complementary device.

A system for providing a transient power supply, comprising:

• means for converting a provided power to a first alternating current (ac) power at a selectable frequency;
• means for generating a generated power from an electrical machine by converting stored kinetic energy into electrical energy in response to providing the first ac power at the selected frequency to the electrical machine;
• means for routing the generated power to the complementary device;
• and
• means for converting the generated power to a second ac power to operate the complementary device.