Multi-site optimization of energy systems
This disclosure describes methods and systems for optimizing operation of industrial steam and power utility systems across multiple facilities. A method involves: for each energy system at each facility: (a) performing equipment level data validation for the plurality of respective power generation equipment, (b) performing equipment level data reconciliation for the plurality of respective power generation equipment, (c) performing site-level optimization to determine equipment operating parameters for the plurality of respective power generation equipment; determining: (i) site-level constraints for the plurality of energy systems, and (ii) multi-site constraints across the plurality of energy systems; optimizing, based on the site-level constraints and the multi-site constraints, the equipment operating parameters for the plurality of respective power generation equipment across the plurality of energy systems.
1 . An industrial plant comprising a computer system managing a plurality of energy systems located in a plurality of facilities, the computer system being configured to perform operations comprising:
for each energy system of the plurality of energy systems at each facility of the plurality of facilities:
receiving, from one or more sensors a respective power generation equipment included in a respective energy system, equipment operating parameters;
performing equipment level data validation for the respective power generation equipment by processing the equipment operating parameters relative to an operational status of the respective power generation equipment, to generate validated equipment level data;
performing equipment level data reconciliation for the respective power generation equipment by processing the validated equipment level data relative to acceptable equipment level ranges, to generate reconciled equipment level data; and
performing site-level optimization, using the reconciled equipment level data, to determine calibrated equipment operating parameters for the respective power generation equipment;
determining: (i) site-level constraints for the plurality of energy systems, and (ii) multi-site constraints across the plurality of energy systems; and
updating, by activating equipment switches, operational states of one or more power generation equipment for optimizing, based on the site-level constraints and the multi-site constraints, the calibrated equipment operating parameters for the respective power generation equipment across the plurality of energy systems.
2 . The industrial plant of claim 1 , wherein the industrial plant comprises a power generation plant, and a renewable energy plant.
3 . The industrial plant of claim 1 , wherein the site-level constraints comprise energy demands of each energy system, a respective steam reserve for each energy system, a respective minimum number of boilers needed to maintain the respective steam reserve for each energy system, and equipment limitations of the respective power generation equipment for each energy system.
4 . The industrial plant of claim 1 , wherein the multi-site constraints comprise a steam reserve requirement across the plurality of energy systems, a power reserve requirement across the plurality of energy systems, an emission reduction target across the plurality of energy systems, and a minimum efficiency across the plurality of energy systems.
5 . The industrial plant of claim 1 , wherein performing equipment level data validation for the respective power generation equipment comprises:
for each equipment of the plurality of power generation equipment:
receiving, during operation of each equipment, measured operational physical parameter values output by the equipment during the operation of the equipment;
determining, using the received operational physical parameter values, mass balance and energy balance parameters associated with the equipment; and
validating an operation of the equipment using the determined mass balance and energy balance parameters.
6 . The industrial plant of claim 1 , wherein optimizing, based on the site-level constraints and the multi-site constraints, the equipment operating parameters for the respective power generation equipment comprises:
generating a global matrix that comprises site-level optimization results of each energy system; and
using a global objective function and the global matrix of site-level optimization results to optimize the equipment operating parameters for the respective power generation equipment.
7 . The industrial plant of claim 1 , wherein the equipment operating parameters comprise cogeneration load management and boilers load management.
8 . The industrial plant of claim 1 , wherein the operations further comprise:
displaying, via a user interface, the equipment operating parameters on a display device; and
displaying, via the user interface, benefits associated with the equipment operating parameters on the display device.
9 . A computer system for an industrial plant, the computer system managing a plurality of energy systems located in a plurality of facilities, the computer system comprising:
one or more processors configured to perform operations comprising:
for each energy system of the plurality of energy systems at each facility of the plurality of facilities:
receiving, from one or more sensors a respective power generation equipment included in a respective energy system, equipment operating parameters;
performing equipment level data validation for the respective power generation equipment by processing the equipment operating parameters relative to an operational status of the respective power generation equipment, to generate validated equipment level data;
performing equipment level data reconciliation for the respective power generation equipment by processing the validated equipment level data relative to acceptable equipment level ranges, to generate reconciled equipment level data; and
performing site-level optimization, using the reconciled equipment level data, to determine calibrated equipment operating parameters for the respective power generation equipment;
determining: (i) site-level constraints for the plurality of energy systems, and (ii) multi-site constraints across the plurality of energy systems; and
updating, by activating equipment switches, operational states of one or more power generation equipment for optimizing, based on the site-level constraints and the multi-site constraints, the calibrated equipment operating parameters for the respective power generation equipment across the plurality of energy systems.
10 . The computer system of claim 9 , wherein the plurality of energy systems comprise an industrial plant, a power generation plant, and a renewable energy plant.
11 . The computer system of claim 9 , wherein the site-level constraints comprise energy demands of each energy system, a respective steam reserve for each energy system, a respective minimum number of boilers needed to maintain the respective steam reserve for each energy system, and equipment limitations of the respective power generation equipment for each energy system.
12 . The computer system of claim 9 , wherein the multi-site constraints comprise a steam reserve requirement across the plurality of energy systems, a power reserve requirement across the plurality of energy systems, an emission reduction target across the plurality of energy systems, and a minimum efficiency across the plurality of energy systems.
13 . The computer system of claim 9 , wherein performing equipment level data validation for the respective power generation equipment comprises:
for each equipment of the plurality of power generation equipment:
receiving, during operation of each equipment, measured operational physical parameter values output by the equipment during the operation of the equipment;
determining, using the received operational physical parameter values, mass balance and energy balance parameters associated with the equipment; and
validating an operation of the equipment using the determined mass balance and energy balance parameters.
14 . The computer system of claim 9 , wherein optimizing, based on the site-level constraints and the multi-site constraints, the equipment operating parameters for the respective power generation equipment comprises:
generating a global matrix that comprises site-level optimization results of each energy system; and
using a global objective function and the global matrix of site-level optimization results to optimize the equipment operating parameters for the respective power generation equipment.
15 . The computer system of claim 9 , wherein the equipment operating parameters comprise cogeneration load management and boilers load management.
16 . The computer system of claim 9 , the operations further comprising:
displaying, via a user interface, the equipment operating parameters on a display device; and
displaying, via the user interface, benefits associated with the equipment operating parameters on the display device.
17 . A non-transitory computer storage medium encoded with instructions that, when executed by one or more computers managing a plurality of energy systems located in multiple facilities and comprising a respective power generation equipment, cause the one or more computers to perform operations comprising:
for each energy system of the plurality of energy systems at each facility of the plurality of facilities:
receiving, from one or more sensors a respective power generation equipment included in a respective energy system, equipment operating parameters;
performing equipment level data validation for the respective power generation equipment by processing the equipment operating parameters relative to an operational status of the respective power generation equipment, to generate validated equipment level data;
performing equipment level data reconciliation for the respective power generation equipment by processing the validated equipment level data relative to acceptable equipment level ranges, to generate reconciled equipment level data; and
performing site-level optimization, using the reconciled equipment level data, to determine calibrated equipment operating parameters for the respective power generation equipment;
determining: (i) site-level constraints for the plurality of energy systems, and (ii) multi-site constraints across the plurality of energy systems; and
updating, by activating equipment switches, operational states of one or more power generation equipment for optimizing, based on the site-level constraints and the multi-site constraints, the calibrated equipment operating parameters for the respective power generation equipment across the plurality of energy systems.
18 . The non-transitory computer storage medium of claim 17 , wherein the plurality of energy systems comprise an industrial plant, a power generation plant, and a renewable energy plant.
19 . The non-transitory computer storage medium of claim 17 , wherein the site-level constraints comprise energy demands of each energy system, a respective steam reserve for each energy system, a respective minimum number of boilers needed to maintain the respective steam reserve for each energy system, and equipment limitations of the respective power generation equipment for each energy system.
20 . The non-transitory computer storage medium of claim 17 , wherein the multi-site constraints comprise a steam reserve requirement across the plurality of energy systems, a power reserve requirement across the plurality of energy systems, an emission reduction target across the plurality of energy systems, and a minimum efficiency across the plurality of energy systems.