ELECTRICAL CIRCUIT FOR CONTROLLING ELECTRICALPOWER TO DRIVE AN INDUCTIVE LOAD
First Claim
1. An electrical circuit comprising:
- a first dual bank electrical circuit having a grounded first bank of capacitors selectively electrically connected in series and selectively electrically connected in parallel with a second bank of capacitors, the first and second bank of capacitors selectively electrically connected in series to a load, selectively connected in parallel to a power source, and selectively electrically connected in parallel when collecting electrical energy; and
a second dual bank electrical circuit having a grounded third bank of capacitors selectively electrically connected in series and selectively electrically connected in parallel with a fourth bank of capacitors, the third and fourth bank of capacitors selectively electrically connected in series to the load, selectively connected in parallel to the power source, and selectively electrically connected in parallel when collecting electrical energy.
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Abstract
A method and system are disclosed for controlling electrical current through an inductive load. The electrical current is supplied by one of at least three selectable dual capacitor bank electrical circuits. The method includes storing electrical energy during a charge operating state in first and second capacitor banks of a first dual capacitor bank circuit. The stored electrical energy is then used to drive the inductive load when operating the first dual capacitor bank circuit in a drive operating state. After depleting the stored electrical energy from the first and second capacitor banks, the first dual capacitor bank transitions to a collection operating state that includes collecting electrical energy from the inductive load. A second and third dual capacitor circuits simultaneously transition among the charge operating state, the drive operating state, and the collection operating state during operation.
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Citations
20 Claims
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1. An electrical circuit comprising:
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a first dual bank electrical circuit having a grounded first bank of capacitors selectively electrically connected in series and selectively electrically connected in parallel with a second bank of capacitors, the first and second bank of capacitors selectively electrically connected in series to a load, selectively connected in parallel to a power source, and selectively electrically connected in parallel when collecting electrical energy; and a second dual bank electrical circuit having a grounded third bank of capacitors selectively electrically connected in series and selectively electrically connected in parallel with a fourth bank of capacitors, the third and fourth bank of capacitors selectively electrically connected in series to the load, selectively connected in parallel to the power source, and selectively electrically connected in parallel when collecting electrical energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electrical circuit comprising:
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a first dual bank electrical circuit that includes a first bank of capacitors, having a first end electrically connected to a ground and a second end connected to a first and second electrical switch, and a second bank of capacitors having a first end electrically connected to the first electrical switch and a second end electrically connected to the second electrical switch and a third electrical switch; a second dual bank electrical circuit comprising a third bank of capacitors, having a first end electrically connected to a ground and a second end connected to a fourth and fifth electrical switch, and a fourth bank of capacitors having a first end electrically connected to the fourth electrical switch and a second end electrically connected to the fifth electrical switch and a sixth electrical switch; and an electrical power source selectively electrically connected to the first and second dual bank electrical circuits, said electrical power source including a current source, wherein the first and second dual bank electrical circuits are each selectively electrically connected to a load via one or more additional electrical switches. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method for controlling electrical current through an inductive load, said current supplied by one of two or more selectable dual capacitor bank electrical circuits, the method comprising:
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storing electrical energy in first and second capacitor banks electrically selectively connected in parallel of a first dual capacitor bank circuit when operating the dual capacitor bank circuit in a charge operating state; driving the inductive load with the stored electrical energy in the first and second capacitor banks selectively connected in series when operating the first dual capacitor bank circuit in a drive operating state; collecting electrical energy from the inductive load with the first and second capacitor banks electrically selectively connected in parallel when operating the first dual capacitor bank circuit in a collection operating state; and simultaneously transitioning the first dual capacitor bank circuit, and a second dual capacitor bank circuit among the charge operating state, the drive operating state, and the collection operating state. - View Dependent Claims (18, 19, 20)
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Specification