Energy storage controller with battery life model
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, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints; and
a controller configured to use a battery life model to generate the battery power setpoints for the power inverter, the battery life model comprising one or more variables that depend on 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, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints, and a controller. The controller is configured to use a battery life model to generate the battery power setpoints for the power inverter. The battery life model includes one or more variables that depend on the battery power setpoints.
210 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, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints; and a controller configured to use a battery life model to generate the battery power setpoints for the power inverter, the battery life model comprising one or more variables that depend on the battery power setpoints. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for operating an electrical energy storage system, the method comprising:
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storing electric power in a battery and discharging the stored electric power to an energy grid; using battery power setpoints to control an amount of the electric power stored or discharged from the battery, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints; and using a battery life model to generate the battery power setpoints, the battery life model comprising one or more variables that depend on the battery power setpoints. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A controller for an electrical energy storage system, the controller comprising:
a processing circuit configured to; use a battery life model to generate battery power setpoints, the battery life model comprising one or more variables that depend on the battery power setpoints; and use the battery power setpoints to control an amount of electric power stored or discharged from a battery, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints. - View Dependent Claims (18, 19, 20)
Specification