Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort

Air conditioners have great potential to participate in power system frequency control. This paper proposes a control strategy to facilitate the active participation of air conditioners. For each air conditioner, a decentralized control law is designed to adjust its temperature set point in respons...

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Main Authors: Rongxiang Zhang, Xiaodong Chu, Wen Zhang, Yutian Liu
Format: Article
Language:English
Published: MDPI AG 2015-09-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/8/10/10818
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author Rongxiang Zhang
Xiaodong Chu
Wen Zhang
Yutian Liu
author_facet Rongxiang Zhang
Xiaodong Chu
Wen Zhang
Yutian Liu
author_sort Rongxiang Zhang
collection DOAJ
description Air conditioners have great potential to participate in power system frequency control. This paper proposes a control strategy to facilitate the active participation of air conditioners. For each air conditioner, a decentralized control law is designed to adjust its temperature set point in response to the system frequency deviation. The decentralized control law accounts for the user’s thermal comfort that is evaluated by a fuzzy algorithm. The aggregation of air conditioners’ response is conducted by using the Monte Carlo simulation method. A structure preserving model is applied to the multi-bus power system, in which air conditioners are aggregated at certain load buses. An inner-outer iteration scheme is adopted to solve power system dynamics. An experiment is conducted on a test air conditioner to examine the performance of the proposed decentralized control law. Simulation results on a test power system verify the effectiveness of the proposed strategy for air conditioners participating in frequency control.
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spelling doaj.art-46211a076f8448a380409d4476a0e5022022-12-22T02:07:34ZengMDPI AGEnergies1996-10732015-09-01810108181084110.3390/en81010818en81010818Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal ComfortRongxiang Zhang0Xiaodong Chu1Wen Zhang2Yutian Liu3Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, ChinaKey Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, ChinaKey Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, ChinaKey Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, ChinaAir conditioners have great potential to participate in power system frequency control. This paper proposes a control strategy to facilitate the active participation of air conditioners. For each air conditioner, a decentralized control law is designed to adjust its temperature set point in response to the system frequency deviation. The decentralized control law accounts for the user’s thermal comfort that is evaluated by a fuzzy algorithm. The aggregation of air conditioners’ response is conducted by using the Monte Carlo simulation method. A structure preserving model is applied to the multi-bus power system, in which air conditioners are aggregated at certain load buses. An inner-outer iteration scheme is adopted to solve power system dynamics. An experiment is conducted on a test air conditioner to examine the performance of the proposed decentralized control law. Simulation results on a test power system verify the effectiveness of the proposed strategy for air conditioners participating in frequency control.http://www.mdpi.com/1996-1073/8/10/10818power systemfrequency controlair conditionerthermal comfortfuzzy mathematics
spellingShingle Rongxiang Zhang
Xiaodong Chu
Wen Zhang
Yutian Liu
Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort
Energies
power system
frequency control
air conditioner
thermal comfort
fuzzy mathematics
title Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort
title_full Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort
title_fullStr Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort
title_full_unstemmed Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort
title_short Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort
title_sort active participation of air conditioners in power system frequency control considering users thermal comfort
topic power system
frequency control
air conditioner
thermal comfort
fuzzy mathematics
url http://www.mdpi.com/1996-1073/8/10/10818
work_keys_str_mv AT rongxiangzhang activeparticipationofairconditionersinpowersystemfrequencycontrolconsideringusersthermalcomfort
AT xiaodongchu activeparticipationofairconditionersinpowersystemfrequencycontrolconsideringusersthermalcomfort
AT wenzhang activeparticipationofairconditionersinpowersystemfrequencycontrolconsideringusersthermalcomfort
AT yutianliu activeparticipationofairconditionersinpowersystemfrequencycontrolconsideringusersthermalcomfort