Systems and methods for using a power converter for transmission of data over the power feed
First Claim
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1. An apparatus, comprising:
- a photovoltaic energy production unit to generate electricity; and
a local management unit, coupled between the photovoltaic energy production unit and a connection of energy production units forming a string bus, the local management unit havinga controller,a voltage converter having switching circuitry, anda communication transmission modulator;
wherein the controller provides a control for the switching circuitry to cause the voltage converter to deliver electrical energy generated by the photovoltaic energy production unit to the string bus; and
wherein the communication transmission modulator modulates the control, provided by the controller to the switching circuitry of the voltage converter, with data to be transmitted from the local management unit over the string bus.
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Abstract
Apparatuses and methods include a photovoltaic energy production unit to generate electricity. A local management unit is coupled between the photovoltaic energy production unit and a connection of energy production units forming a string bus. The local management unit includes a controller and switching circuitry. The controller provide a control for the switching circuitry to deliver electrical energy to the string bus. A communication transmission modulator is associated with the local management unit. The communication transmission modulator modulates the control with data to be transmitted from the local management unit over the string bus.
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Citations
20 Claims
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1. An apparatus, comprising:
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a photovoltaic energy production unit to generate electricity; and a local management unit, coupled between the photovoltaic energy production unit and a connection of energy production units forming a string bus, the local management unit having a controller, a voltage converter having switching circuitry, and a communication transmission modulator; wherein the controller provides a control for the switching circuitry to cause the voltage converter to deliver electrical energy generated by the photovoltaic energy production unit to the string bus; and wherein the communication transmission modulator modulates the control, provided by the controller to the switching circuitry of the voltage converter, with data to be transmitted from the local management unit over the string bus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method, comprising:
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providing a local management unit to couple a solar energy production unit to a connection of energy production units forming a string bus, the local management unit having a controller, a voltage converter having switching circuitry, and a communication transmission modulator; providing, by the controller, a control for the switching circuitry to cause the voltage converter to deliver electrical energy generated by the photovoltaic energy production unit to the string bus; and modulating, by the communication transmission modulator, the control, provided by the controller to the switching circuitry of the voltage converter, with data to be transmitted from the local management unit over the string. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. An energy generation system, comprising:
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a plurality of energy production units to generate electricity; a string bus providing a connection for the plurality of energy production units, wherein each of the plurality of energy production units includes; a photovoltaic energy production unit, and a local management unit, coupled between the photovoltaic energy production unit and the string bus, the local management unit including; a controller; a voltage converter having switching circuitry, wherein the controller provides a control for the switching circuitry to cause the voltage controller to deliver electrical energy generated by the photovoltaic energy production unit to the string bus; a communication transmission modulator configured to modulate the control, provided by the controller to the switching circuitry of the voltage converter, with data to be transmitted from the local management unit over the string bus; and a receiver connected between the string bus and a combiner box, the receiver configured to recover the data transmitted over the string bus.
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Specification