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Intelligent Control of Thermal Energy Storage in the Manufacturing Sector for Plant-Level Grid Response

Industrial facilities are seeking new strategies that help in providing savings mechanisms for demand charges. Demand charges are the charges incurred by industrial facilities as a result of power usage. Thermal energy storage has advanced significantly with lots of new applications, garnering the i...

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Published in:Processes 2023-07, Vol.11 (7), p.2202
Main Authors: Bahr, Mohamed T., Immonen, Jake, Billings, Blake W., Powell, Kody M.
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description Industrial facilities are seeking new strategies that help in providing savings mechanisms for demand charges. Demand charges are the charges incurred by industrial facilities as a result of power usage. Thermal energy storage has advanced significantly with lots of new applications, garnering the interest of many industrial facilities. These applications could be used to shave the industrial facilities’ peak electric demand and reduce their demand charges. This paper aims to demonstrate the efficacy of thermal energy storage in reducing demand charges and highlight new developments in the integration of smart control systems with thermal energy storage. The study compares energy consumption and peak demand for a facility equipped with and without thermal energy storage tanks using a fixed schedule for charging and discharging. Additionally, the paper examines the impact of incorporating a smart controller to determine when to charge and discharge the tank based on the facility’s real-time power usage and a given setpoint. The results indicate cost savings from the use of thermal energy storage tanks under two proposed scenarios, reflected in the reduced cost of power consumption for the studied facility. The incorporation of a smart controller with the thermal energy storage tank in the facility studied could provide estimated savings of 3.3% per year of power consumption charges, without considering the contribution of any incentives. The estimated savings provided by the fixed schedule scenario are 2.7% per year.
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subjects Alternative energy sources
Case studies
Control systems
Controllers
Cooling
Demand
Demand side management
Discharge
Economic incentives
Electric rates
Energy audits
Energy consumption
Energy industry
ENERGY STORAGE
Engineering
Force and energy
Heat storage
Incentives
Innovations
load shifting
Manufacturing
Manufacturing industry
Optimization
Peak load
Power consumption
Renewable resources
Schedules
scheduling
smart controller
Storage tanks
Thermal energy
thermal energy storage
title Intelligent Control of Thermal Energy Storage in the Manufacturing Sector for Plant-Level Grid Response
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