An analogue on/off state-switching control method suitable for inverter-based air conditioner load cluster participating in demand response

Te Zhou, Honghu Chen, Ning Zhang, Yang Han, Siyu Zhou, Zhi Li and Meng Zhou

Applied Energy, 2024, vol. 363, issue C, No S0306261924004793

Abstract: With the significant trend towards variable frequency in heating ventilating and air-conditioner (HVAC) loads, the inverter-based air conditioner load (IACL) clusters are poised to become the mainstay in participating in demand response (DR). During the process of DR, once the indoor temperature exceeds the comfort constraint, HVAC load must be forced to exit DR, which brings correlation to the behaviour of the preceding and following periods, making cluster optimization modelling and solution difficult. In order to solve the problems, this paper proposes an analogue ON/OFF state-switching (AOSS) control method suitable for IACL cluster participating in DR. Firstly, the critical working point corresponding to the comfort constraint is analysed for eliminating the temporal coupling for IACL. Then, an AOSS control method is proposed based on the critical point analysis. The feasibility of the proposed AOSS control is validated by the experimental results, with the Hisense KFR-75W/T08SBp-A2 inverter-based air conditioning DR experimental platform. Furthermore, by using the proposed AOSS control, a day-ahead scheduling model is constructed, and, the traditional state-queuing (SQ) model is transplanted to the IACL cluster for short-term power control. And the case studies verified the effectiveness and applicability of the day-ahead scheduling model and the transplanted SQ model.

Keywords: Heating ventilating and air-conditioner load; Inverter-based air conditioner; Variable frequency control; Load modelling; Demand response (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123096

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