Seamless Transition Method and Apparatus for Micro-grid Connect/Disconnect from Grid
First Claim
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1. An apparatus comprising:
- a central controller coupled to a plurality of local controllers, wherein the local controllers configured to detect operational parameters of a main grid system and a micro-grid system, and wherein the central controller is configured to;
receive the operational parameters of the main grid system and the micro-grid system;
update a power generation plan of the micro-grid system based upon the operational parameters of the micro-grid system, wherein the power generation plan is formulated such that power outputs of the micro-grid system approximately match loads of the micro-grid system; and
forward the power generation plan to the plurality of local controllers coupled to the micro-grid system.
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Abstract
A central controller of a micro-grid system is configured to receive the operational parameters of the main grid system and the micro-grid system, update a power generation plan of the micro-grid system based upon the operational parameters of the micro-grid system, wherein the power generation plan is formulated such that power outputs of the micro-grid system approximately match loads of the micro-grid system. Furthermore, the central controller forwards the power generation plan to the plurality of local controllers coupled to the micro-grid system so that the micro-grid system is able to have a seamless transition from a grid-connected mode to a grid-disconnected mode.
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Citations
20 Claims
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1. An apparatus comprising:
a central controller coupled to a plurality of local controllers, wherein the local controllers configured to detect operational parameters of a main grid system and a micro-grid system, and wherein the central controller is configured to; receive the operational parameters of the main grid system and the micro-grid system; update a power generation plan of the micro-grid system based upon the operational parameters of the micro-grid system, wherein the power generation plan is formulated such that power outputs of the micro-grid system approximately match loads of the micro-grid system; and forward the power generation plan to the plurality of local controllers coupled to the micro-grid system. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system comprising:
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a plurality of local controllers sampling operational parameters of a micro-grid system and a main grid system, to which the micro-grid system is coupled; a plurality of input and output devices communicably coupled to the local controllers, wherein the input and output devices detect operation status of the micro-grid system and executes control commands; and a central controller communicably coupled to the local controllers and the input and output devices, wherein the central controller is configured to; receive the operational parameters of the main grid system and the micro-grid system; update a power generation plan of the micro-grid system based upon the operational parameters of the micro-grid system, wherein the power generation plan is formulated such that power outputs of the micro-grid system approximately match loads of the micro-grid system; and forward the power generation plan to the plurality of local controllers coupled to the micro-grid system. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method comprising:
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receiving a plurality of electrical variables detected from a micro-grid system coupled to a main grid system; calculating a supply and demand balance of the micro-grid system; generating a new power generation plan based upon the supply and demand balance for a seamless transition from a grid-connected operation mode to a grid-disconnected operation mode; and forwarding the new power generation plan to a plurality of local controllers. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification