Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system

Abstract The increasing penetration of renewable energy sources (RESs) brings more power generation fluctuations into power systems, which puts forward higher requirement on the regulation capacities for maintaining the power balance between supply and demand. In addition to traditional generators f...

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Main Authors: Kang Xie, Hongxun Hui, Yi Ding
Format: Article
Language:English
Published: SpringerOpen 2019-12-01
Series:Protection and Control of Modern Power Systems
Subjects:
Online Access:https://doi.org/10.1186/s41601-019-0135-3
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author Kang Xie
Hongxun Hui
Yi Ding
author_facet Kang Xie
Hongxun Hui
Yi Ding
author_sort Kang Xie
collection DOAJ
description Abstract The increasing penetration of renewable energy sources (RESs) brings more power generation fluctuations into power systems, which puts forward higher requirement on the regulation capacities for maintaining the power balance between supply and demand. In addition to traditional generators for providing regulation capacities, the progressed information and communication technologies enable an alternative method by controlling flexible loads, especially thermostatically controlled loads (TCLs) for regulation services. This paper investigates the modeling and control strategies of aggregated TCLs as the virtual energy storage system (VESS) for demand response. First, TCLs are modeled as VESSs and compared with the traditional energy storage system (ESS) to analyze their characteristic differences. Then, the control strategies of VESS are investigated in microgrid and main grid aspects, respectively. It shows that VESS control strategies can play important roles in frequency regulation and voltage regulation for power systems’ stability. Finally, future research directions of VESS are prospected, including the schedulable potential evaluation, modeling of TCLs, hierarchical control strategies of VESS considering ESSs and RESs and reliability and fast response in frequency control for VESS.
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spelling doaj.art-a27d621f6f694c48baebea2e6a146aa92022-12-21T22:09:35ZengSpringerOpenProtection and Control of Modern Power Systems2367-26172367-09832019-12-014111310.1186/s41601-019-0135-3Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage systemKang Xie0Hongxun Hui1Yi Ding2Electrical Engineering College of Zhejiang UniversityElectrical Engineering College of Zhejiang UniversityElectrical Engineering College of Zhejiang UniversityAbstract The increasing penetration of renewable energy sources (RESs) brings more power generation fluctuations into power systems, which puts forward higher requirement on the regulation capacities for maintaining the power balance between supply and demand. In addition to traditional generators for providing regulation capacities, the progressed information and communication technologies enable an alternative method by controlling flexible loads, especially thermostatically controlled loads (TCLs) for regulation services. This paper investigates the modeling and control strategies of aggregated TCLs as the virtual energy storage system (VESS) for demand response. First, TCLs are modeled as VESSs and compared with the traditional energy storage system (ESS) to analyze their characteristic differences. Then, the control strategies of VESS are investigated in microgrid and main grid aspects, respectively. It shows that VESS control strategies can play important roles in frequency regulation and voltage regulation for power systems’ stability. Finally, future research directions of VESS are prospected, including the schedulable potential evaluation, modeling of TCLs, hierarchical control strategies of VESS considering ESSs and RESs and reliability and fast response in frequency control for VESS.https://doi.org/10.1186/s41601-019-0135-3Thermostatically controlled loads (TCLs)Virtual energy storage system (VESS)Modeling methodControl strategy
spellingShingle Kang Xie
Hongxun Hui
Yi Ding
Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
Protection and Control of Modern Power Systems
Thermostatically controlled loads (TCLs)
Virtual energy storage system (VESS)
Modeling method
Control strategy
title Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
title_full Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
title_fullStr Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
title_full_unstemmed Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
title_short Review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
title_sort review of modeling and control strategy of thermostatically controlled loads for virtual energy storage system
topic Thermostatically controlled loads (TCLs)
Virtual energy storage system (VESS)
Modeling method
Control strategy
url https://doi.org/10.1186/s41601-019-0135-3
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AT hongxunhui reviewofmodelingandcontrolstrategyofthermostaticallycontrolledloadsforvirtualenergystoragesystem
AT yiding reviewofmodelingandcontrolstrategyofthermostaticallycontrolledloadsforvirtualenergystoragesystem