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Comprehensive energy planning method considering uncertainty of electricity-heat transfer load transfer quantity

A technology of uncertainty and load transfer, applied in instruments, data processing applications, forecasting, etc., can solve problems such as the inability to meet the needs of electrical integrated energy systems, and achieve the effect of reducing system carbon emissions, improving reliability, and improving efficiency

Active Publication Date: 2019-11-26
YANSHAN UNIV
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Problems solved by technology

The traditional independent planning mode of electric power system and natural gas system can no longer meet the needs of electric comprehensive energy system

Method used

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  • Comprehensive energy planning method considering uncertainty of electricity-heat transfer load transfer quantity
  • Comprehensive energy planning method considering uncertainty of electricity-heat transfer load transfer quantity
  • Comprehensive energy planning method considering uncertainty of electricity-heat transfer load transfer quantity

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Embodiment Construction

[0090] The present invention will be further described below in conjunction with the accompanying drawings.

[0091] In this embodiment, the comprehensive energy planning method considering the uncertainty of electricity-heat transfer load transfer amount, the specific steps are as follows figure 1 Shown:

[0092] Step one, to figure 2 Based on the energy center structure shown, the input energy is electricity and natural gas, and the output electricity and heat supply the load demand.

[0093] Step 2: Establish an integrated energy system planning model.

[0094] Step 3: Considering the influence of the electric-thermal transferable load transfer amount on the planning of the integrated energy system, a two-stage robust optimization method is used to deal with the uncertainty of the electric-thermal transferable load transfer amount.

[0095] Step 4, solving the comprehensive energy system planning model to obtain the planning scheme.

[0096] As a supplement to the abov...

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Abstract

The invention provides a comprehensive energy planning method considering uncertainty of electricity-heat transfer load transfer quantity, which comprises the following specific steps of: 1, establishing a comprehensive energy system planning model by taking an energy center model as a basis, taking electric energy and natural gas as input and taking electric energy and heat energy supply load requirements as output; 2, considering the influence of the electricity-heat transferable load transfer quantity on the comprehensive energy system planning, and processing the uncertainty of the electricity-heat transferable load transfer quantity by adopting a two-stage robust optimization method; and 3, solving the comprehensive energy system planning model to obtain a planning scheme. According to the method, the carbon emission of the system can be reduced, and the reliability and the multi-energy complementation benefit of the system are improved. On the other hand, the uncertainty of the electric-thermal transferable load transfer amount is processed by adopting a two-stage robust optimization theory, so that the uncertainty can be more accurately considered, and the conservative property of the comprehensive energy system planning scheme is flexibly adjusted.

Description

technical field [0001] The invention relates to the field of comprehensive energy system planning and the field of electric power market, in particular to a method for comprehensive energy planning considering the uncertainty of electricity-heat transfer load transfer amount. Background technique [0002] With the continuous increase of energy demand and environmental pressure, technologies such as natural gas extraction technology, power to gas (P2G) technology and combined heat and power (CHP) technology have been developed rapidly. The coupling between the power system and the natural gas system is deepening, and the power demand and the natural gas demand can be transformed into each other. For example, the heat load demand can be directly supplied by the heating unit or by the electric heating equipment, so that this kind of load has the electric-thermal possibility. The nature of the transfer, where some electrical loads are replaced by thermal loads, can reduce system...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y04S10/50
Inventor 张晓辉刘小琰钟嘉庆赵晓晓李阳
Owner YANSHAN UNIV
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