Location power monitoring and charge distribution using intelligent electric vehicle supply equipment
First Claim
1. An intelligent electric vehicle supply equipment (EVSE) unit, comprising:
- a communication port configured to receive an active power load value and a maximum installed power load value from an external power meter;
a safety buffer determination logic section configured to determine a safety buffer value;
a buffer-reduced maximum installed power logic section configured to receive the safety buffer value from the safety buffer determination logic section, to receive the maximum installed power load value from the communication port, and to generate a buffer-reduced maximum installed power value dependent on the safety buffer value and the maximum installed power load value;
a real-time power availability logic section configured to receive the buffer-reduced maximum installed power value from the buffer-reduced maximum installed power logic section, to receive the active power load value from the communication port, and to generate an available power value dependent on the buffer-reduced maximum installed power value and the active power load value;
wherein the real-time power availability logic section includes a sampler that is configured to periodically determine the available power value at different sampling times; and
wherein the real-time power availability logic section is configured to determine the available power value at a first sampling time from among the different sampling times by subtracting the active power load value associated with the first sampling time from the buffer-reduced maximum installed power value.
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Accused Products
Abstract
Embodiments include an intelligent electric vehicle supply equipment (EVSE) unit. The intelligent EVSE unit includes a communication port to receive an active power load value and a maximum installed power load value from an external power meter. The intelligent EVSE unit includes a buffer-reduced maximum installed power logic section to receive a safety buffer value, to receive the maximum installed power load value from the communication port, and to generate a buffer-reduced maximum installed power value dependent on the safety buffer value and the maximum installed power load value. The intelligent EVSE unit includes a real-time power availability logic section to generate an available power value dependent on the buffer-reduced maximum installed power value and the active power load value. The intelligent EVSE unit includes a power regulator to control an amount of power made available to charge one or more electric vehicles dependent on the available power value.
6 Citations
16 Claims
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1. An intelligent electric vehicle supply equipment (EVSE) unit, comprising:
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a communication port configured to receive an active power load value and a maximum installed power load value from an external power meter; a safety buffer determination logic section configured to determine a safety buffer value; a buffer-reduced maximum installed power logic section configured to receive the safety buffer value from the safety buffer determination logic section, to receive the maximum installed power load value from the communication port, and to generate a buffer-reduced maximum installed power value dependent on the safety buffer value and the maximum installed power load value; a real-time power availability logic section configured to receive the buffer-reduced maximum installed power value from the buffer-reduced maximum installed power logic section, to receive the active power load value from the communication port, and to generate an available power value dependent on the buffer-reduced maximum installed power value and the active power load value; wherein the real-time power availability logic section includes a sampler that is configured to periodically determine the available power value at different sampling times; and wherein the real-time power availability logic section is configured to determine the available power value at a first sampling time from among the different sampling times by subtracting the active power load value associated with the first sampling time from the buffer-reduced maximum installed power value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for intelligently charging one or more electric vehicles using one or more intelligent electric vehicle supply equipment (EVSE) units, the method comprising:
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receiving, by the one or more intelligent EVSE units, a maximum installed power load value; determining, by the one or more intelligent EVSE units, a buffer-reduced maximum installed power value; receiving, by the one or more intelligent EVSE units, an active power load value; and periodically determining, by the one or more intelligent EVSE units, an available power value based at least on the buffer-reduced maximum installed power value and the active power load value; wherein periodically determining includes; periodically sampling, by a sampler, the available power value at different sampling times; and periodically generating, by a real-time power availability logic section, the available power value at a first sampling time from among the different sampling times by subtracting the active power load value associated with the first sampling time from the buffer-reduced maximum installed power value. - View Dependent Claims (15, 16)
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Specification