# US 11,898,803 B2 · Cooling plant system and method of operating said system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,898,803 B2 - Document ID: US11898803B2 - Status: Granted - Kind: B2 - Application number: 17/286,402 - Filed: 2018-10-17 - Published: 2021-12-23 - Granted: 2024-02-13 - Earliest claimed: 2018-10-17 - Assignees: Agency for Science, Technology and Research Singapore District Cooling Pte Ltd - Applicants: Agency for Science, Technology and Research; Singapore District Cooling Pte Ltd - Inventors: Wuhua Hu; Chin Choy Chai; Wenxian Yang; Rongshan Yu - Web page: https://patentgrep.com/patent/US11898803B2 ## CPC - F28D 20/028: {Control arrangements therefor} - F28D 20/02: using latent heat - G06Q 10/04: Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem" (market predictions or forecasting for commercial activities G06Q30/0202) - G06Q 50/06: Energy or water supply - Y02E 60/14: Thermal energy storage - F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general) - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The present disclosure may provide a cooling plant system, a method of operating a cooling plant system and an energy storage and scheduling control system, the cooling plant system comprising one or more cooling towers; one or more thermal energy storage systems coupled to the one or more cooling towers; one or more electrical energy storage systems, the one or more electrical energy storage systems being coupled to the one or more thermal energy storage systems for selectively providing electrical energy to the one or more thermal energy storage systems; and an energy storage and scheduling control system coupled to the one or more thermal energy storage systems and the one or more electrical energy storage systems. ## Claims ### Claim 1 A cooling plant system, the system comprising, one or more cooling towers; one or more thermal energy storage systems coupled to the one or more cooling towers; one or more electrical energy storage systems, the one or more electrical energy storage systems being coupled to the one or more thermal energy storage systems for selectively providing electrical energy to the one or more thermal energy storage systems; and an energy storage and scheduling control system coupled to the one or more thermal energy storage systems and the one or more electrical energy storage systems, the energy storage and scheduling control system being configured to control operations of the one or more thermal energy storage systems and the one or more electrical energy storage systems via a scheduling of the operations per time slot, the operations including the selective provision of electrical energy to the one or more thermal energy storage systems. ### Claim 2 (depends on 1) The cooling plant system of claim 1, wherein the energy storage and scheduling control system comprises a scheduling module that is configured to receive component models based on the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems, and further configured to optimise the scheduling of the operations per time slot based on the component models and data obtained from the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems. ### Claim 3 (depends on 2) The cooling plant system of claim 2, wherein the energy storage and scheduling control system further comprises a modelling module to obtain the component models based on the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems. ### Claim 4 (depends on 2) The cooling plant system of claim 2, wherein the energy storage and scheduling control system is configured to optimise the scheduling based on subjecting the component models to cost constraints and minimising a total net cost based on the component models. ### Claim 5 (depends on 2) The cooling plant system of claim 2, wherein the energy storage and scheduling control system is configured to optimise the scheduling based on the component models in a stepwise manner. ### Claim 6 (depends on 1) The cooling plant system of claim 1, wherein the one or more electrical energy storage systems is capable of providing frequency regulation to a power grid, based on the scheduling of the operations per time slot provided by the energy storage and scheduling control system. ### Claim 7 (depends on 1) The cooling plant system of claim 1, wherein the one or more electrical energy storage systems is capable of providing a contingency reserve service to a power grid to compliment the one or more thermal energy storage systems in case of a contingency, based on the scheduling of the operations per time slot provided by the energy storage and scheduling control system. ### Claim 8 A method of operating a cooling plant system, the method comprising, providing one or more cooling towers; coupling one or more thermal energy storage systems to the one or more cooling towers; coupling one or more electrical energy storage systems to the one or more thermal energy storage systems; selectively providing electrical energy to the one or more thermal energy storage systems using the one or more electrical energy storage systems; coupling an energy storage and scheduling control system to the one or more thermal energy storage systems and the one or more electrical energy storage systems; and controlling operations of the one or more thermal energy storage systems and the one or more electrical energy storage systems using a scheduling of the operations per time slot, the operations including the step of selectively providing electrical energy to the one or more thermal energy storage systems. ### Claim 9 (depends on 8) The method of claim 8, further comprising receiving, using a scheduling module of the energy storage and scheduling control system, component models based on the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems; obtaining data from the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems; and optimising the scheduling of the operations per time slot based on the component models and the data obtained from the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems. ### Claim 10 (depends on 9) The method of claim 9, further comprising using a modelling module of the energy storage and scheduling control system to obtain the component models based on the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems. ### Claim 11 (depends on 1) The method of claim 1, further comprising optimising the scheduling based on subjecting the component models to cost constraints and minimising a total net cost based on the component models at the energy storage and scheduling control system. ### Claim 12 (depends on 9) The method of claim 9, further comprising optimising the scheduling based on the component models in a stepwise manner at the energy storage and scheduling control system. ### Claim 13 (depends on 8) The method of claim 8, further comprising providing frequency regulation to a power grid using the one or more electrical energy storage systems, based on the scheduling of the operations per time slot provided by the energy storage and scheduling control system to the one or more electrical energy storage systems. ### Claim 14 (depends on 8) The method of claim 8, further comprising providing a contingency reserve service to a power grid using the one or more electrical energy storage systems to compliment the one or more thermal energy storage systems in case of a contingency, based on the scheduling of the operations per time slot provided by the energy storage and scheduling control system to the one or more electrical energy storage systems. ### Claim 15 An energy storage and scheduling control system, the energy storage and scheduling control system, being capable of coupling to one or more cooling towers, to one or more thermal energy storage systems and to one or more electrical energy storage systems; the energy storage and scheduling control system being configured to control operations of the one or more thermal energy storage systems and the one or more electrical energy storage systems via a scheduling of the operations per time slot, the operations including selective provision of electrical energy to the one or more thermal energy storage systems. ### Claim 16 (depends on 15) The energy storage and scheduling control system of claim 15, wherein the energy storage and scheduling control system comprises a scheduling module being capable of receiving component models based on the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems, and further being capable of optimising the scheduling of the operations per time slot based on the component models and data obtained from the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems. ### Claim 17 (depends on 16) The energy storage and scheduling control system of claim 16, wherein the energy storage and scheduling control system further comprises a modelling module being capable of obtaining the component models based on the one or more cooling towers, the one or more thermal energy storage systems and the one or more electrical energy storage systems. ### Claim 18 (depends on 16) The energy storage and scheduling control system of claim 16, wherein the scheduling module is further being capable of optimising the scheduling based on subjecting the component models to cost constraints and minimising a total net cost based on the component models. ### Claim 19 (depends on 16) The energy storage and scheduling control system of claim 16, wherein the scheduling module is further being capable of optimising the scheduling based on the component models in a stepwise manner. ### Claim 20 (depends on 15) The energy storage and scheduling control system of claim 15, wherein the energy storage and scheduling control system is capable of controlling the one or more electrical energy storage systems to provide frequency regulation to a power grid, based on the scheduling of the operations per time slot provided by the energy storage and scheduling control system. ### Claim 21 (depends on 15) The energy storage and scheduling control system of claim 15, wherein the energy storage and scheduling control system is capable of controlling the one or more electrical energy storage systems to provide a contingency reserve service to a power grid to compliment the one or more thermal energy storage systems in case of a contingency, based on the scheduling of the operations per time slot provided by the energy storage and scheduling control system.