Electrical energy storage system with battery power setpoint optimization based on battery degradation costs and expected frequency response revenue
First Claim
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1. An electrical energy storage system comprising:
- a battery configured to store and discharge electric power to an energy grid;
a power inverter configured to use battery power setpoints to control an amount of the electric power stored or discharged from the battery; and
a controller configured to generate optimal values for the battery power setpoints as a function of both an estimated amount of battery degradation and an estimated amount of frequency response revenue that will result from the battery power setpoints.
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Abstract
An electrical energy storage system includes a battery configured to store and discharge electric power to an energy grid, a power inverter configured to use battery power setpoints to control an amount of the electric power stored or discharged from the battery, and a controller. The controller is configured to generate optimal values for the battery power setpoints as a function of both an estimated amount of battery degradation and an estimated amount of frequency response revenue that will result from the battery power setpoints.
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Citations
20 Claims
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1. An electrical energy storage system comprising:
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a battery configured to store and discharge electric power to an energy grid; a power inverter configured to use battery power setpoints to control an amount of the electric power stored or discharged from the battery; and a controller configured to generate optimal values for the battery power setpoints as a function of both an estimated amount of battery degradation and an estimated amount of frequency response revenue that will result from the battery power setpoints. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for operating an electrical energy storage system, the method comprising:
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using a battery life model to identify a relationship between battery power setpoints and an estimated amount of battery degradation that will result from the battery power setpoints, the battery life model comprising a plurality of variables that depend on the battery power setpoints; estimating an amount of frequency response revenue that will result from the battery power setpoints; generating optimal values for the battery power setpoints as a function of both the estimated amount of battery degradation and the estimated amount of frequency response revenue that will result from the battery power setpoints; and using the optimal values of the battery power setpoints to control an amount of electric power stored or discharged from a battery. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification