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Energies 2015, 8(10), 10818-10841; doi:10.3390/en81010818

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

Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, China
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Academic Editor: Ying-Yi Hong
Received: 21 August 2015 / Revised: 20 September 2015 / Accepted: 21 September 2015 / Published: 28 September 2015
(This article belongs to the Special Issue Electric Power Systems Research)
View Full-Text   |   Download PDF [747 KB, uploaded 28 September 2015]   |  

Abstract

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. View Full-Text
Keywords: power system; frequency control; air conditioner; thermal comfort; fuzzy mathematics power system; frequency control; air conditioner; thermal comfort; fuzzy mathematics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, R.; Chu, X.; Zhang, W.; Liu, Y. Active Participation of Air Conditioners in Power System Frequency Control Considering Users’ Thermal Comfort. Energies 2015, 8, 10818-10841.

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