Working Paper Article Version 2 This version is not peer-reviewed

Grid-friendly Active Demand Strategy on Air Conditioning Class Load

Version 1 : Received: 5 August 2020 / Approved: 6 August 2020 / Online: 6 August 2020 (14:38:01 CEST)
Version 2 : Received: 28 August 2020 / Approved: 31 August 2020 / Online: 31 August 2020 (09:19:23 CEST)
Version 3 : Received: 8 September 2020 / Approved: 9 September 2020 / Online: 9 September 2020 (09:31:05 CEST)

A peer-reviewed article of this Preprint also exists.

Zhu, J.-H.; Gu, J.; Wu, M. Grid-Friendly Active Demand Strategy on Air Conditioning Class Load. Appl. Sci. 2020, 10, 6464. Zhu, J.-H.; Gu, J.; Wu, M. Grid-Friendly Active Demand Strategy on Air Conditioning Class Load. Appl. Sci. 2020, 10, 6464.


The growing number of the accessed energy-efficient frequency conversion air conditioners is likely to generate a large number of harmonics on the power grid. The following shortage in the reactive power of peak load may trigger voltage collapse. Hence, this conflicts with people’s expectations for a cozy environment. Concerning the problems mentioned above, an active management scheme is put forward to balance the electricity use and the normal operation of air conditioning systems. To be specific, schemes to suppress the low voltage ride through (LVRT) and harmonic are designed firstly. Then to deaden the adverse effects caused by nonlinear group load running on the grid, and to prevent the unexpected accidents engendered from grid malfunction, the dynamic sensing information obtained by an online monitor is analyzed, which can be seen as active supervise mechanism. The combined application of active and passive filtering technology is studied as well. Thirdly, the new energy storage is accessed reliably to cope with peak-cutting or grid breaking emergencies, and the fuzzy control algorithm is researched. Finally, system feasibility is verified by functional modules co-operation simulation, and active management target is achieved under scientific and reasonable state-of-charge (SOC) management strategy


air conditioning group load; grid friendly; active demand; storage; coordinated control


Engineering, Civil Engineering

Comments (1)

Comment 1
Received: 31 August 2020
Commenter: Jian-hong zhu
Commenter's Conflict of Interests: Author
Comment: Literature review in the introduction has been extended from 2018 onwards, Figures have been modified and added the relevant explanation. Some changes have been made to the expression.
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