A Regional Comprehensive Energy Expansion Planning Method Considering the Level of Pipeline Risk
A technology of risk level and comprehensive energy, applied in the field of regional comprehensive energy expansion, can solve the problems of expansion and change of electric power, gas, heat pipeline models, etc., achieve the effect of balancing economy and risk return, reducing economic cost and reducing cost
Active Publication Date: 2022-05-13
TIANJIN UNIV
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[0005] The invention provides a regional comprehensive energy expansion planning method considering the pipeline risk level. By considering the impact of the pipeline risk level on the expansion planning, the invention can effectively solve the problem of regional comprehensive energy caused by the increase and uncertainty of future multi-energy loads. Please refer to the description below for details on the model expansion and change of electricity, gas, and heat pipelines in the system:
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[0032] In order to make the purpose, technical solution and advantages of the present invention clearer, the implementation manners of the present invention will be further described in detail below.
[0033] 1. Construction of regional comprehensive energy system considering pipeline risk level
[0034] The embodiment of the present invention first constructs a regional comprehensive energy model considering the pipeline risk level, such as figure 1 shown. The system includes key equipment such as photovoltaics, wind power, multi-energy loads, compressed air energy storage, and gas boilers. Among them, photovoltaics and wind turbines are distributed renewable energy power generation devices, compressed air energy storage and gas boilers are multi-energy conversion equipment for energy stations, compressed air energy storage input is electricity, and output is electricity, cooling, and heat. When charging, it stores electrical energy and generates heat; when discharging, it ...
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The invention discloses a regional comprehensive energy expansion planning method considering the pipeline risk level, comprising: obtaining a multi-energy power flow model according to the multi-energy power flow solution and energy balance law, and the model is used for the solution result of the multi-energy power flow in the regional comprehensive energy system ;Based on the multi-energy power flow model and the solution results, with the upper limit of the power flow under different pipeline models in the expansion scheme as the constraint condition, the risk level evaluation index of the energy pipeline is established based on the complex network theory to judge the risk of the pipeline flow exceeding the limit; the regional comprehensive energy system is selected The electricity, gas and heat calculation flow is less than the load limit of each multi-energy pipeline as the opportunity constraint condition; the expansion pipeline cost and the energy pipeline risk level are used as the upper multi-objective function, and the lower level takes the optimal operating cost of the energy station as the goal to establish a regional comprehensive energy system Two-level programming model; use NSGA‑II on the MATLAB simulation platform to iteratively solve the regional comprehensive energy system pipeline expansion planning scheme under different chance constraint confidence levels.
Description
technical field [0001] The invention relates to the field of regional comprehensive energy expansion, in particular to a regional comprehensive energy expansion planning method considering the risk level of pipelines. Background technique [0002] The integrated energy system is one of the manifestations of the Energy Internet. It mainly refers to the organic coordination and collaborative optimization of various energy sources under the background of integrated energy with the help of multi-energy coupling components such as cogeneration, electric heat pumps, and energy storage, which helps to improve energy efficiency. form of utilization to improve overall energy efficiency. Comprehensive energy planning is the primary link in the construction of an energy system, and it is the key to ensuring the organic coordination and collaborative optimization of various energy sources, improving the form of energy utilization, and improving comprehensive energy efficiency. The plan...
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IPC IPC(8): G06Q10/06G06F30/20H02J3/00G06F113/16G06F119/08
CPCG06Q10/0635G06Q10/06393G06F30/20H02J3/00H02J2203/20G06F2113/16G06F2119/08Y02E40/70Y04S10/50
Inventor 王丹雷杨李家熙王培汀李思源
Owner TIANJIN UNIV