Quantization event-driven simulation method for electric-thermal integrated energy system
An integrated energy system, event-driven technology, applied in design optimization/simulation, instrumentation, special data processing applications, etc., can solve problems such as large time scale and increase the complexity of integrated energy system modeling and simulation problems, and achieve an efficient simulation method , the effect of shortening the simulation time
Pending Publication Date: 2022-02-01
TIANJIN UNIV
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Compared with traditional power system simulations, energy forms such as cold, heat, and gas in integrated energy systems have strong inertia and large time scales, and user behavior on the load side brings a large number of discrete variables, which frequently interact with continuous state variables, greatly Increased complexity of modeling and simulation problems for integrated energy systems
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[0096] Based on the MATLAB programming language environment, this example implements a quantized event-driven simulation method for an electric-thermal comprehensive energy system, and verifies and analyzes the method of the present invention through a heating system example. The hardware platform for the simulation test is a 4-core PC with Intel Core(TM) i7-8700 CPU@3.20GHz and 8GB RAM; the software environment is a 64-bit Windows 10 operating system.
[0097] The electric-thermal comprehensive energy thermal system consists of a heating network and a power grid. The heating system is divided into two parts, the water supply network and the return water network. The water supply network and the return water network are completely symmetrical, and the parameters of the corresponding pipeline branches are the same. The heat source branch and the heat user branch are connected to the water supply network and the return water network to form a closed The flow circuit of thermal w...
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The invention provides a quantization event-driven simulation method for an electric-thermal integrated energy system. The method comprises the following steps: firstly, inputting simulation parameters for the electric-thermal integrated energy system to be simulated, and carrying out simulation initialization; establishing a to-be-simulated electric-thermal integrated energy system quantization coupling model, wherein the to-be-simulated electric-thermal integrated energy system quantization coupling model comprises a thermal subsystem model, an electric power subsystem model and an electric-thermal coupling interface equation; making the current simulation moment to be equal to the minimum value of the next simulation moment in all the variables, and integrating the corresponding variables to the current simulation moment or updating the value of the current simulation moment according to an equation and an integration method; and finally, judging whether the simulation time reaches the simulation termination time or not. The method is suitable for dynamic simulation of the integrated energy system considering the electric-thermal coupling characteristic and the load discrete characteristic, can simulate the multi-energy flow coupling characteristic and the discrete-continuous hybrid characteristic, and provides an efficient simulation method for an electric-thermal integrated energy system model.
Description
technical field [0001] The invention relates to a quantized event-driven simulation method. In particular, it relates to a quantized event-driven simulation method for electric-thermal integrated energy systems. Background technique [0002] The integrated energy system integrates refrigeration, heating and power generation, improves the utilization rate of primary energy through the comprehensive utilization of energy, and also shows great advantages in reducing emissions. With the rapid development of micro gas turbines and electric refrigeration / heating technologies, the coupling between electric energy and other forms of energy continues to deepen. The comprehensive energy system integrating cold, heat, electricity, gas and other forms of energy has become an important development of the future smart grid. direction. The integrated energy system involves the deep integration and close interaction of various energy sources. Scientific and efficient simulation analysis m...
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IPC IPC(8): G06F30/20G06Q50/06G06F119/12G06F119/06
CPCG06F30/20G06Q50/06G06F2119/12G06F2119/06
Inventor 于浩李双李鹏冀浩然黄朝铭赵金利王成山
Owner TIANJIN UNIV