Foley & Lardner LLP
Photovoltaic energy system with stationary energy storage control
An energy storage system includes a photovoltaic energy field, a stationary energy storage device, an energy converter, and a controller. The photovoltaic energy field converts solar energy into electrical energy and charges the stationary energy storage device with the electrical energy. The energy converter converts the electrical energy stored in the stationary energy storage device into AC power at a discharge rate and supplies a campus with the AC power at the discharge rate. The controller generates a cost function of the energy consumption of the campus across a time horizon which relates a cost to operate the campus to the discharge rate of the AC power supplied by the stationary energy storage device. The controller applies constraints to the cost function, determines a minimizing solution to the cost function which satisfies the constraints, and controls the energy converter.
Johnson Controls Technology Company
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Kirk H. Juan Esteban Tapiero Mohammad N. Michael J. John I. Matthew J. John H.
Drees Bernal ElBsat Wenzel Ruiz Ellis Burroughs