Battery energy storage system integrated with electrical generation site
First Claim
1. A method of operating an interconnected variable electric power generation system and stored energy electric generation system, the method comprising:
- determining a present stored energy system electric power flow value indicating an amount of electric power flowing through a power input/output connection of a stored energy electric power generation system,where the power input/output connection of the stored energy electric power generation system and a variable output electric power generation system are both connected to provide electric power to an electric power output through a site output power meter;
receiving, from the site output power meter, a present site output electric power value indicating a total amount of electrical power provided to the electric power output, where the present site output electric power value indicates a combination of the amount of electric power flowing through the power input/output connection of the stored energy electric power generation system and an amount of electric power output produced by the variable output electric power generation system;
receiving a site power output set point indicating a total output power value that is to be provided through the site output power meter to the electric power output; and
maintaining, according to the site power output set point, a present total amount of electric power provided through the site output power meter to the electric power output by controlling, based on both the present site output electric power value and the present stored energy system electric power flow value, the amount of electric power output produced by the variable output electric power generation system.
1 Assignment
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Accused Products
Abstract
A method of creating an interconnected combination of a stored energy electric generation system to a variable electric power generation system, said combination, and a method of operating same. A stored energy electric generation system is added to a variable output electric power generation system. An input/output of the stored energy electric power generation system is connected to a power output of the variable electric power generation system and an indicator of power flow level through the power input/output of the stored energy electric power generation system is provided to a controller of the variable electric power generation system. The controller is configured to adjust the output power of the variable electric power generation system based on the indicator of the present stored energy system electric power flow level and a present site output electric power level.
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Citations
20 Claims
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1. A method of operating an interconnected variable electric power generation system and stored energy electric generation system, the method comprising:
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determining a present stored energy system electric power flow value indicating an amount of electric power flowing through a power input/output connection of a stored energy electric power generation system, where the power input/output connection of the stored energy electric power generation system and a variable output electric power generation system are both connected to provide electric power to an electric power output through a site output power meter; receiving, from the site output power meter, a present site output electric power value indicating a total amount of electrical power provided to the electric power output, where the present site output electric power value indicates a combination of the amount of electric power flowing through the power input/output connection of the stored energy electric power generation system and an amount of electric power output produced by the variable output electric power generation system; receiving a site power output set point indicating a total output power value that is to be provided through the site output power meter to the electric power output; and maintaining, according to the site power output set point, a present total amount of electric power provided through the site output power meter to the electric power output by controlling, based on both the present site output electric power value and the present stored energy system electric power flow value, the amount of electric power output produced by the variable output electric power generation system. - View Dependent Claims (2, 3, 4, 5)
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6. An interconnected variable electric power generation system and stored energy electric generation system, comprising:
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a site output power meter; a stored energy electric power generation system comprising a power input/output connection connected to provide electric power with a variable output electric power generation system to an electric power output through the site output power meter; and a variable output electric power generation system controller that when operating; receives, from the site output power meter, a present site output electric power value indicating a total amount of electrical power provided to the electric power output, where the present site output electric power value indicates a combination of an amount of electric power flowing through the power input/output connection of the stored energy electric power generation system and an amount of electric power output produced by a variable output electric power generation system; receives an indication of a present stored energy system electric power flow value indicating an amount of electric power flowing through a power input/output connection of the stored energy electric power generation system; and receives a site power output set point indicating a total output power value that is to be provided through the site output power meter to the electric power output; and maintains, according to the site power output set point, a present total amount of electric power provided through the site output power meter to the electric power output by controlling, based on both the present site output electric power value and the indication of the present stored energy system electric power flow value, the amount of electric power output produced by the variable output electric power generation system. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A method of adding a stored energy electric generation system to an operational variable electric power generation system, the method comprising:
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adding a stored energy electric power generation system to a power generation system comprising an existing variable output electric power generation system, the existing variable output electric power generation system comprising a controller that controls an electric power output of the existing variable output electric power generation system based on receiving an indicator of a total site electric power output; connecting a power input/output connection of the stored energy electric power generation system to a power output of the existing variable output electric power generation system, where the power input/output connection of the stored energy electric power generation system and a variable output electric power generation system are both connected to provide electric power to an electric power output through a site output power meter; providing, to the controller of the existing variable output electric power generation system, an indicator of a present stored energy system electric power flow value through the power input/output of a stored energy electric power generation system; and configuring the controller to adjust an output electric power of the existing variable output electric power generation system based on; receiving, from the site output power meter, a present site output electric power value indicating a total amount of electrical power provided to the electric power output, where the present site output electric power value indicates a combination of an amount of electric power flowing through the power input/output connection of the stored energy electric power generation system and an amount of electric power output produced by the variable output electric power generation system; and receiving a site power output set point indicating a total output power value that is to be provided through the site output power meter to the electric power output, wherein the controller adjusts the output power of the existing variable output electric power generation system to maintain, according to the site power output set point, a present total amount of electric power provided through the site output power meter to the electric power output by controlling, based on both the present site output electric power value and the present stored energy system electric power flow value, the amount of electric power output produced by the variable output electric power generation system. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification