Park-level integrated energy system and control method thereof
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An integrated energy system, park-level technology, applied in the park-level integrated energy system and its control field, can solve the problems of non-renewable resources, exhaustion, etc.
Pending Publication Date: 2021-09-03
WENZHOU ELECTRIC POWER DESIGN +1
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However, the combustion of fossil energy such as coal and oil inevitably brings many environmental p
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Embodiment 1
[0027] With the development of society and economy, the progress of technology and the pressure of energy saving and emission reduction, the energy and load structure of countries in the world are also constantly being adjusted. Different energy supply systems (coal, oil, natural gas, electricity, heat, water and other energy sources) Supply) and energy end-users (buildings, transportation, industry, residents, etc.) are also more closely linked and coupled. As an overall system that integrates energy production, transmission and consumption, the integrated energy system can effectively reduce the consumption of fossil fuels, optimize the structure of the energy supply system, and reduce the Societal Development Dependence on Traditional Fossil Fuels.
[0028] The park-level integrated energy system proposed by the present invention is a regional energy system, which can realize self-production and self-sale of various types of energy to a certain extent, and its internal comp...
Embodiment 2
[0077] The development of integrated energy is centered on the development of the integrated energy system, and the performance of the integrated energy system is closely related to its planning and operation. Without proper system configuration and proper operation strategy, the system will not be able to achieve its due benefits. Therefore, in order to maximize the benefits of the integrated energy system, its planning and operation must be rationally optimized.
[0078] Such as image 3 Shown is the control method of the park-level integrated energy system in this embodiment. The park-level integrated energy system should realize the fine matching of energy supply and cold, heat, electricity, gas, and traffic demands, and realize the global optimization of local system optimization. Balanced, its planning problem is a very complex multi-objective, multi-constraint, nonlinear and random uncertainty mixed integer optimization problem, which is affected by many factors, inclu...
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Abstract
The invention provides a park-level comprehensive energy system and a control method thereof. The system comprises an electric energy control unit, a heat energy control unit, a cold energy control unit, an electricity-heat conversion unit, an electricity-cold conversion unit and a heat-cold conversion unit. The method comprises the steps of setting a planning target, investigating park energy conditions, determining energy selection of users in a park, predicting loads in the park, determining a topological structure of a system, determining an overall planning target, configuring equipment capacity, performing comprehensive evaluation of the system and the like. The park-level comprehensive energy system and the control method thereof provided by the invention are independent and controllable systems and methods for realizing balance of energy supply and demand, and complementary advantages among the systems can be excavated to a greater extent through coordination of different energy sources in the park-level comprehensive energy system. The energy efficiency is improved, the energy cost is reduced, large-scale access and efficient utilization of renewable energy sources are facilitated, and the renewable resources can be utilized to the maximum extent.
Description
technical field [0001] The invention relates to the technical field of energy utilization, in particular to a park-level comprehensive energy system and a control method thereof. Background technique [0002] Energy is the foundation of human social and economic development and the lifeblood of a country's survival and development. Since the industrial revolution, traditional fossil energy has long been the main form of energy and has played an irreplaceable and important role. However, the combustion of fossil energy such as coal and oil inevitably brings many environmental problems, and traditional fossil energy is a non-renewable resource that will eventually be exhausted. Therefore, with the gradual depletion of traditional fossil energy and the gradual deterioration of the natural environment, the energy production and consumption model centered on fossil energy has become unsustainable. Therefore, under the ever-increasing demand of human beings for energy, it has be...
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