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Dynamic and Stability Analysis of the Power System with the Control Loop of Inverter Air Conditioners
Hongxun Hui1; Yi Ding1; Tao Chen2; Saifur Rahman3; Yonghua Song1,4

The power consumption of inverter air conditioners (IACs) can be regulated flexibly by adjusting the compressor's operating frequency, which has been proven suitable for providing regulation capacities to power systems. Considering the rapid phasing out of traditional generating units, massive IACs create huge alternative regulation potential. However, the impact of IACs on the power system's stability is rarely studied. To address this issue, this article proposes the modeling and control methods of IACs to provide regulation capacities to power systems. On this basis, a novel power system model with the control loop of large-scale IACs is developed, where the communication latency during the control signal transfer process is also considered. Then, the dynamic performance and steady-state errors of the novel power system are evaluated, showing that IACs can quickly participate in and smoothly withdraw from the regulation process. Furthermore, the stabilities and sensitivities of power systems with and without IACs are compared, in order to illustrate that both the stability margin and robustness of the power system can be increased via the control loop of IACs. Finally, the effectiveness of the proposed models and methods are verified by numerical studies.

KeywordPower System Stability Stability Analysis Cooling Power Demand Frequency Control Thermal Stability Power System Dynamics
Indexed BySCIE
WOS Research AreaAutomation & Control Systems ; Engineering ; Instruments & Instrumentation
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS IDWOS:000594408000085
Scopus ID2-s2.0-85091966224
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Cited Times [WOS]:10   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Science and Technology
Corresponding AuthorYi Ding
Affiliation1.College of Electrical Engineering, Zhejiang University, Hangzhou, China
2.School of Electrical Engineering, Southeast University, Nanjing, China
3.Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA
4.Department of Electrical and Computer Engineering, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Hongxun Hui,Yi Ding,Tao Chen,et al. Dynamic and Stability Analysis of the Power System with the Control Loop of Inverter Air Conditioners[J]. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS,2020,68(3):2725-2736.
APA Hongxun Hui,Yi Ding,Tao Chen,Saifur Rahman,&Yonghua Song.(2020).Dynamic and Stability Analysis of the Power System with the Control Loop of Inverter Air Conditioners.IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS,68(3),2725-2736.
MLA Hongxun Hui,et al."Dynamic and Stability Analysis of the Power System with the Control Loop of Inverter Air Conditioners".IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 68.3(2020):2725-2736.
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