5 results about "Ice storage air conditioning" patented technology

The invention provides an ice storage air conditioning system and a control method thereof, particularly relates to the technical field of air conditioners, and is used for switching working modes so as to reduce the power consumption cost of the ice storage air conditioning system under the condition that the cold consumption requirement is met. The ice storage air-conditioning system comprises a main machine, wherein the main machine comprises a refrigerating loop consisting of a compressor, a condenser, a first throttling device and an evaporator; the ice storage system comprises an ice storage tank, a second throttling device and a refrigerant pump; the switching assembly is used for controlling at least one of the following items: the second end of the ice storage tank is communicated with the first input end of the compressor, the second end of the ice storage tank is communicated with the refrigerant output end of the evaporator, and the refrigerant output end of the evaporator is communicated with the first input end of the compressor; therefore, the ice storage air-conditioning system can be in any one of the following working modes: a main machine refrigeration mode, an ice storage system refrigeration mode, an ice making mode, a main machine and ice storage system combined refrigeration mode and a main machine refrigeration and ice making mode.

The application discloses an ice storage air conditioner operation scheduling method based on variable air volume control. Historical statistical data of city refrigeration load are acquired, and then a building internal setting temperature curve is fitted, and a load typical operation scene is generated based on the historical statistical data of city refrigeration load; the building internal setting temperature curve is constrained according to preset human comfort boundary conditions, upper and lower boundary curves of the building internal setting temperature curve are obtained, and then are converted into a building refrigeration demand curve; a model constraint condition is constructed according to the building refrigeration demand curve, and then an ice storage air conditioner operation optimization model based on variable air volume control is constructed; the load typical operation scene is input into the ice storage air conditioner operation optimization model based on variable air volume control to obtain a scheduling result. The application can further release the regulation potential of the ice storage air conditioner, expand the power system demand response load resource pool, and improve the supply and demand balance ability of the power grid to cope with the randomness and fluctuation of new energy output.

The application discloses a kind of park integrated energy system double-layer optimization scheduling method and system, method includes: constructing park integrated energy system operation framework, modeling each equipment in operation framework;Establish the vehicle-to-grid interaction model considering the temporal and spatial distribution characteristics and charging and discharging behavior of electric vehicles, and the ice storage air conditioning load model;Set considering the PIES double-layer optimization scheduling strategy of vehicle-to-grid interaction and ice storage air conditioning coordination, define upper layer as PIES energy scheduling layer, lower layer as flexible load response layer;Solve electric vehicle optimization model and ice storage air conditioning optimization model, solve system operation cost optimization model, according to the solution result, each equipment in park integrated energy system is optimized and dispatched;The application has the advantages that: EV and IAC are deeply integrated, and collaborative scheduling is carried out, and double-layer optimization scheduling strategy is used, so that economic and low-carbon operation of system level is realized under the premise of guaranteeing user energy cost and comfort.

This invention discloses a microgrid collaborative optimization scheduling method and system. The method includes: establishing mathematical models of various equipment units in the microgrid, including wind power generation systems, photovoltaic power generation systems, energy storage systems, diesel generators, electric vehicle clusters, and ice storage air conditioning; constructing an optimization objective function with the goal of minimizing the total operating cost of the system; setting system constraints, including power balance constraints, equipment power constraints, energy storage constraints, electric vehicle SOC constraints, and ice storage air conditioning capacity constraints; adjusting the operating parameters of the mathematical models of each equipment unit under the premise of satisfying the system constraints, so that the optimization objective function reaches its minimum value; and optimizing the scheduling of each equipment unit based on the solved operating parameters. The advantages of this invention are: fully leveraging the collaborative scheduling potential of emerging schedulable resources such as electric vehicle clusters and ice storage air conditioning systems, and effectively addressing the uncertainties of renewable energy.

The invention discloses a report calculation method and device for auxiliary service participation of park users and a medium, and relates to the technical field of report boundary analysis and report calculation evaluation for auxiliary service participation of park users, virtual power plants and load aggregators. The method comprises the following steps: acquiring park source load data through a historical data and source load prediction two-class method; a quantity reporting boundary model of the park photovoltaic ice storage air-conditioning system is constructed, and the quantity reporting boundary of the park photovoltaic ice storage air-conditioning system participating in the valley filling auxiliary service market is clearly quantified; and proposing a report optimization strategy, solving the optimal declaration capacity through global optimization, and completing the calculation of the optimal report. According to the invention, the source load data information of the park is obtained through historical data or source load prediction, so that the collection of various kinds of source load information is facilitated, the collaborative optimization of the joint participation of various kinds of flexible resources in the market can be met, and the long-term participation of users in valley filling auxiliary services in the park is ensured.