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Park comprehensive energy system operation optimization method

An integrated energy system, operation optimization technology, applied in design optimization/simulation, resources, forecasting, etc., can solve problems such as too simple multi-energy flow model

Pending Publication Date: 2020-11-17
国网(苏州)城市能源研究院有限责任公司
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Problems solved by technology

The multi-energy flow model adopted by the few researches that can realize the unified optimization of the three energy forms of electricity, heat and gas is also too simple

Method used

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  • Park comprehensive energy system operation optimization method
  • Park comprehensive energy system operation optimization method
  • Park comprehensive energy system operation optimization method

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Embodiment Construction

[0099] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0100]This patent aims at the optimal operation of the park's comprehensive energy system, and proposes an operation strategy optimization method for the park's comprehensive energy system that can simultaneously consider the multi-energy flow calculation of the distribution network, gas distribution pipeline network, and heating pipeline network. The AC power flow calculation in the power grid, the steady-state fluid calculation in the gas network, and the fluid and thermal energy calculation in the heating network are simultaneously embedded in the optimization problem, and the sequential quadratic programming algorithm is used to successfully solve it, which truly realizes the en...

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Abstract

The invention relates to an electricity, heat and gas coupling park comprehensive energy system operation optimization method considering multiple energy flows of a network. The method comprises the steps of 1, carrying out mathematical modeling of a power distribution network; 2, carrying out mathematical modeling of the natural gas pipeline network; 3, carrying out mathematical modeling of the heat supply pipe network; 4, modeling the external characteristics of the energy supply equipment; 5, constructing a mathematical optimization problem; and 6, solving an optimization problem. The system has the beneficial effects that 1, coordinated optimization of three energy systems including electric power, natural gas and thermal power of the park comprehensive energy system can be achieved; 2, the method provided by the invention can calculate network details (reactive power in a power grid, node voltage, node air pressure in a natural gas system, pipeline airflow, return water temperature in a thermodynamic system, water pump power and the like) of each energy system, and analyzes the influence of the equipment access position on the system;.

Description

technical field [0001] The invention relates to the field of park comprehensive energy system operation, in particular to a method for optimizing the operation of a park comprehensive energy system coupled with electricity, heat and gas in consideration of network multi-energy flows. Background technique [0002] The comprehensive energy system of the park is composed of distribution network, gas distribution network and internal heating pipe network as the basic framework, and distributed energy supply equipment as the core components. It is an important carrier of future urban energy supply. In recent years, scientific and technological workers in the energy industry of various countries have conducted a large number of theoretical studies and practical application attempts on the comprehensive energy system of the park to prove that the operation mode of each energy supply equipment in the system and the relationship between it and various existing heterogeneous energy sup...

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04G06Q10/06G06Q50/06G06F113/04G06F113/08G06F113/14G06F119/08
CPCG06F30/20G06Q10/04G06Q10/06393G06Q50/06G06F2113/04G06F2113/14G06F2113/08G06F2119/08
Inventor 奚巍民孙强蒋一博陈杰军谢典孙志煌朱婵霞冯蒙霜陈倩潘杭萍
Owner 国网(苏州)城市能源研究院有限责任公司
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