Air conditioner load aggregation power modeling method considering user adjustment behavior randomness
A technology of air-conditioning load and modeling method, applied in computer-aided design, design optimization/simulation, calculation, etc., can solve problems such as loss of load diversity, aggregated power oscillation, etc.
Active Publication Date: 2020-05-29
HOHAI UNIV
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However, the air conditioner will lose load diversity under the state queue model, and the aggregated power will oscillate during unified scheduling
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[0070] The application will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present application.
[0071] The present invention provides an air-conditioning load aggregation power modeling method considering the randomness of user adjustment behavior, see figure 1 , including:
[0072] Step 1: Use the equivalent thermal parameter model to simulate the change process of the aggregated power of the air conditioner when adjusting different temperature settings:
[0073] (11) Establish the equivalent thermal parameter model (equivalent thermal parameter, ETP) of a single air conditioner as follows:
[0074]
[0075]
[0076]
[0077] Among them, T in (t) is the indoor temperature at time t; for T in Derivative of (t); T o is the outdoor temperature; C is the equivalent heat capacity ...
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The invention discloses an air conditioner load aggregation power modeling method considering user adjustment behavior randomness, which comprises the following steps of: after a temperature set valueis regulated, analyzing regulated air conditioner group temperature state distribution by utilizing a state queue model; summarizing different temperature state transfer processes, and modeling for the drop process of the aggregation power of the air conditioner group; and introducing consideration of randomness of user adjustment behaviors, and correcting the proposed air conditioner aggregationmodel. According to the invention, the advantages of an equivalent thermal parameter model and a state queue model are integrated; the problems of a large amount of calculation required by application of an equivalent thermal parameter model in the adjustment process and power oscillation generated after adjustment of a state queue model are avoided, the result obtained through calculation has high precision and practicability, and the calculation amount and the real-time communication pressure during scheduling can be effectively reduced.
Description
technical field [0001] The invention relates to an air-conditioning load aggregation power modeling method considering the randomness of user adjustment behavior, and belongs to the technical field of energy regulation. Background technique [0002] With the large-scale access of renewable energy and the increase of peak load in urban centers year by year, the demand for system balancing resources has surged. The temperature-controlled load has the characteristics of easy control and great scheduling potential. It can aggregate a large number of temperature-controlled loads through the load aggregator and participate in the regulation and operation of the main network. Among them, the air-conditioning load accounts for the highest proportion, and has great potential in peak shaving, maintaining the stability of the power system, and providing auxiliary services. As its proportion in the power grid increases, the demand for air-conditioning load models is gradually increasing...
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IPC IPC(8): G06F30/20G06F119/06
Inventor 鞠平姜婷玉王冲刘婧孜刘波秦川金宇清
Owner HOHAI UNIV