Design method of comprehensive energy system based on frequency domain dynamic index
A technology of integrated energy system and dynamic index, applied in the field of integrated energy system planning and design, can solve the problems of not constructing dynamic controllability index of equipment, not considering the impact of dynamic characteristic configuration scheme, etc., to improve response speed and meet multi-load requirements , to solve the effect of high efficiency
Active Publication Date: 2021-09-03
SOUTHEAST UNIV
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[0004] However, the current main design methods are mainly optimized based on the steady-state model of energy efficiency and cost calculation, and have not considered the impact of dynamic characteristics on the configuration scheme, let alone constructing the dynamic controllability index of equipment from the perspective of frequency domain analysis, so as to explore Influence on system configuration optimization scheme after considering controllability
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[0036] The technical solution of the present disclosure will be described in detail below in conjunction with the accompanying drawings.
[0037] figure 1 Be the flow chart of method for the present invention, as figure 1 As shown, a design method of an integrated energy system based on frequency domain dynamic indicators, the integrated energy system includes thermal equipment, electrical equipment, cold equipment, renewable energy equipment, energy storage equipment and energy conversion equipment, the energy storage equipment Including electrical energy storage devices and thermal energy storage devices, such as figure 2 shown.
[0038] The method includes: Step S1: constructing a mathematical model of each device in the integrated energy system.
[0039] The constraints of the mathematical model of each device include energy balance constraints and device characteristic constraints, and energy balance constraints include electric energy balance constraints, thermal ene...
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The invention discloses a design method of an integrated energy system based on a frequency domain dynamic index, relates to the technical field of planning and design of the integrated energy system, and solves the technical problem that the influence of dynamic characteristics is not considered when the existing integrated energy system is planned and designed. According to the technical scheme, the frequency domain controllability index construction method for reflecting the output change and the dynamic response speed of the equipment is provided, and a quantitative index for describing the controllability of the equipment is provided in the frequency domain field for the planning and design problem of an integrated energy system. According to the method, economic performance, environmental protection performance and frequency domain dynamic controllability index items of a planning design process are comprehensively considered, and an equipment capacity planning model of the integrated energy system is established in a weight mode. The dynamic characteristics of a planning design scheme can be more comprehensively considered, the equipment capacity with faster load response is increased from the perspective of frequency domain analysis, and the response speed of the whole integrated energy system to the load demand is improved.
Description
technical field [0001] The present disclosure relates to the technical field of integrated energy system planning and design, and in particular to a design method of an integrated energy system based on frequency-domain dynamic indicators. Background technique [0002] Energy is the basis for the survival and development of human beings, and the lifeblood of the entire national economy. At the same time, the environmental pressure generated by traditional fossil energy in the process of development is also increasing. How to reduce it while ensuring the sustainable supply of energy in society The problem of environmental pollution in the process of production capacity has received more and more attention from the Chinese government. For this reason, the integrated energy system can be "tailor-made" according to the user's actual load demand for cooling, heating, and electricity, and can realize the complementary advantages of different energy sources in system planning and o...
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IPC IPC(8): G06Q10/06G06F30/20
CPCG06Q10/06313G06Q10/06393G06F30/20
Inventor 沈炯张志鹏张俊礼
Owner SOUTHEAST UNIV