Method and apparatus for storing energy
First Claim
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1. A method of storing energy transmitted by a power transmission line, the method comprising:
- generating tension in an elastically deformable component via an electrically actuatable motor during a temporal period of electrical actuation of the motor via energy transmitted from the power transmission line, wherein the electrically actuatable motor is a linear motor; and
actuating an electrical generator coupled to the elastically deformable component via restoring force produced by the elastically deformable component during a release of at least a part of the tension induced in the elastically deformable component, whereby electrical energy is generated.
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Abstract
An energy storage apparatus for storing energy transmitted by a power transmission line includes an elastically deformable component and an actuator-generator. The actuator-generator is coupled to the elastically deformable component such that electrical actuation of the actuator-generator generates tension in the elastically deformable component. The actuator-generator is further coupled to the elastically deformable component such that mechanical actuation of the actuator-generator via a release of tension in the elastically deformable component causes a generation of electrical energy by the actuator-generator.
29 Citations
39 Claims
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1. A method of storing energy transmitted by a power transmission line, the method comprising:
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generating tension in an elastically deformable component via an electrically actuatable motor during a temporal period of electrical actuation of the motor via energy transmitted from the power transmission line, wherein the electrically actuatable motor is a linear motor; and actuating an electrical generator coupled to the elastically deformable component via restoring force produced by the elastically deformable component during a release of at least a part of the tension induced in the elastically deformable component, whereby electrical energy is generated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of maintaining a power transmission line at a specified electrical frequency, the method comprising:
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measuring an electrical frequency of the power transmission line; and adjusting the electrical frequency of the power transmission line such that the electrical frequency is substantially equal to the specified electrical frequency by at least one of removing electricity from the power transmission line or adding electricity to the power transmission line; wherein removing electricity from the power transmission line comprises transmitting electricity from the power transmission line to an electrically actuatable motor and thereby actuating the motor to generate tension in an elastically deformable component and wherein adding electricity to the power transmission line comprises generating, with a generator coupled to the elastically deformable component, electricity via actuation of the generator by a restoring force produced by the elastically deformable component during a release of at least a part of the tension induced in the elastically deformable component; and wherein the elastically deformable component is a cable. - View Dependent Claims (18, 19, 20, 21)
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22. A method of storing energy transmitted by a power transmission line, the method comprising:
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generating tension in an elastically deformable component via an electrically actuatable motor during a temporal period of electrical actuation of the motor via energy transmitted from the power transmission line, wherein the electrically actuatable motor is actuated via a piezoelectric component; and actuating an electrical generator coupled to the elastically deformable component via restoring force produced by the elastically deformable component during a release of at least a part of the tension induced in the elastically deformable component, whereby electrical energy is generated. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A method of maintaining a power transmission line at a specified electrical frequency, the method comprising:
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measuring an electrical frequency of the power transmission line; adjusting the electrical frequency of the power transmission line such that the electrical frequency is substantially equal to the specified electrical frequency by at least one of removing electricity from the power transmission line or adding electricity to the power transmission line; removing, via a filter, electricity at a frequency distinct from the specified electrical frequency from the power transmission line; and transmitting the electricity at the frequency distinct from the specified electrical frequency to an electrically actuatable motor thereby actuating the motor to generate tension in an elastically deformable component; wherein adding electricity to the power transmission line comprises generating, with a generator coupled to the elastically deformable component, electricity via actuation of the generator by a restoring force produced by the elastically deformable component during a release of at least a part of the tension induced in the elastically deformable component. - View Dependent Claims (37, 38, 39)
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Specification