Machine and power system with electrical energy storage device
First Claim
1. A machine, comprising:
- a power system, includinga prime mover drivingly connected to an electric generator;
a power line operably connected to the electric generator;
a first electrical energy storage device operable to exchange electricity with the power line;
a second electrical energy storage device; and
power-system controls, includinga first power regulator; and
at least one information processor configured to;
receive information related to at least one operating parameter of the power system, wherein the information related to at least one operating parameter of the power system includes information related to a state of charge of the first electrical energy storage device, andcontrol the first power regulator based on the received information, including selectively controlling the first power regulator to receive electricity from the second electrical energy storage device and supply the electricity to the first electrical energy storage device,wherein the at least one information processor is configured to automatically respond to first operating conditions bycausing supply of electricity from the power line to the first electrical energy storage device to partially charge the first electrical energy storage device; and
subsequently, controlling the first power regulator to receive electricity from the second electrical energy storage device and supply the electricity to the first electrical energy storage device to finish charging the first electrical energy storage device.
1 Assignment
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Accused Products
Abstract
A machine includes a power system having a prime mover drivingly connected to an electric generator, a power line operably connected to the electric generator, and a first electrical energy storage device operable to exchange electricity with the power line. The power system may also include a second electrical energy storage device and power-system controls. The power-system controls may include a power regulator and at least one information processor configured to receive information related to at least one operating parameter of the power system and control the power regulator based on the received information, including selectively controlling the power regulator to receive electricity from the second electrical energy storage device and supply the electricity to the first electrical energy storage device.
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Citations
17 Claims
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1. A machine, comprising:
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a power system, including a prime mover drivingly connected to an electric generator; a power line operably connected to the electric generator; a first electrical energy storage device operable to exchange electricity with the power line; a second electrical energy storage device; and power-system controls, including a first power regulator; and at least one information processor configured to; receive information related to at least one operating parameter of the power system, wherein the information related to at least one operating parameter of the power system includes information related to a state of charge of the first electrical energy storage device, and control the first power regulator based on the received information, including selectively controlling the first power regulator to receive electricity from the second electrical energy storage device and supply the electricity to the first electrical energy storage device, wherein the at least one information processor is configured to automatically respond to first operating conditions by causing supply of electricity from the power line to the first electrical energy storage device to partially charge the first electrical energy storage device; and subsequently, controlling the first power regulator to receive electricity from the second electrical energy storage device and supply the electricity to the first electrical energy storage device to finish charging the first electrical energy storage device. - View Dependent Claims (2, 3, 4, 5, 6, 17)
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7. A method of operating a power system of a machine, the power system including a prime mover, an electric generator drivingly connected to the prime mover, a power line, a first electrical energy storage device, a second electrical energy storage device, and a power regulator, the method comprising:
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selectively supplying electricity to the power line, via a controller, by operating the engine to drive the electric generator and supply electricity from the electric generator to the power line; selectively operating the power regulator, via a controller, to receive electricity from the second electrical energy storage device and supply electricity to the first electrical energy storage device, including maintaining the electric current magnitude of the electricity supplied from the power regulator to the first electrical energy storage device below a first current value; selectively supplying electricity, via a controller, from the power line to the first electrical energy storage device at an electric current magnitude greater than the first current value, wherein selectively operating the power regulator to receive electricity from the second electrical energy storage device and supply electricity to the first electrical energy storage device includes operating the power regulator to receive the electricity from the second electrical energy storage device at a first voltage and supply the electricity to the first electrical energy storage device at a second voltage. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A machine, comprising:
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a frame; a movable component connected to the frame; a power system, including an electric motor drivingly connected to the movable component and operable to move the movable component relative to the frame, an engine drivingly connected to an electric generator, a power line connected between the electric generator and the electric motor, the power line being operable to transmit electricity between the electric generator and the electric motor, a first electrical energy storage device operable to exchange electricity with the power line, a second electrical energy storage device, a power regulator, and at least one information processor configured to receive information related to at least one operating parameter of the machine, wherein the information related to at least one operating parameter of the machine includes information related to a state of charge of the first electrical energy storage device, and control the power regulator based on the received information, including selectively controlling the power regulator to receive electricity from the second electrical energy storage device at a first voltage and supply the electricity to the first electrical energy storage device at a second voltage wherein the at least one information processor is configured to automatically respond to first operating conditions by causing supply of electricity from the power line to the first electrical energy storage device to partially charge the first electrical energy storage device; and subsequently, controlling the first power regulator to receive electricity from the second electrical energy storage device and supply the electricity to the first electrical energy storage device to finish charging the first electrical energy storage device. - View Dependent Claims (14, 15, 16)
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Specification