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Electric-gas-heat interconnection system risk evaluation method for considering solar thermal CHP plants and electric boiler

A technology of interconnected system risk and combined heat and power generation, applied in information technology support systems, electrical digital data processing, instruments, etc., can solve problems such as insufficient consideration of risk indicators in risk assessment energy flow models and load reduction optimization models

Active Publication Date: 2018-02-23
CHONGQING UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to propose an electric-gas-heat interconnection considering STCHP and EB in view of the insufficient consideration of the energy flow model, load reduction optimization model, and risk index of the electric-gas-heat interconnection system in the existing research Systematic Risk Assessment Methodology

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  • Electric-gas-heat interconnection system risk evaluation method for considering solar thermal CHP plants and electric boiler
  • Electric-gas-heat interconnection system risk evaluation method for considering solar thermal CHP plants and electric boiler
  • Electric-gas-heat interconnection system risk evaluation method for considering solar thermal CHP plants and electric boiler

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[0080] The present invention will be further described below in conjunction with the examples, but it should not be understood that the scope of the subject of the present invention is limited to the following examples. Without departing from the above-mentioned technical ideas of the present invention, various replacements and changes made according to common technical knowledge and conventional means in this field shall be included in the protection scope of the present invention.

[0081] Referring to the accompanying drawings, the present invention uses the IEEE9-NGS6-DHN7 electric-gas-thermal interconnection system to verify the embodiment. The system consists of three parts: the IEEE9-node power system, the NGS6-node natural gas system, and the DHN7-node thermal system.

[0082] (1) Input basic data

[0083] IEEE9-NGS6-DHN7 electricity-gas-heat interconnection system consists of three parts: IEEE9 node power system, NGS6 node natural gas system and DHN7 node thermal syst...

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Abstract

The invention discloses an electric-gas-heat interconnection system risk evaluation method for considering solar thermal CHP plants (STCHP) and an electric boiler (EB). The method comprises steps of establishing an energy flow model based on a coupling element STCHP and EB, and a wind and light abandoning and electric / gas / heat load reduction composite minimal optimization model; establishing a system level risk index of electric power / gas quantity / heating power insufficient expectations and wind abandoning / light abandoning expectations of the electric-gas-heat interconnection system; based onthe established energy flow model, the established load reduction model and the evaluation index, further considering various random factors of element faults, electric / gas / heat load, wind electricitypower and photoelectric power and providing a step and schedule graph about electric-gas-heat interconnection system risk evaluation for considering the STCHP and the EB; and finally, achieving calculation and analysis work of the electric-gas-heat interconnection system risk evaluation for considering the STCHP and the EB on an MATLAB platform through programs.

Description

technical field [0001] The invention belongs to the field of comprehensive energy systems, and aims to realize the risk assessment of electricity-gas-heat interconnection system, and specifically relates to an energy flow model based on solar thermal CHP plants (STCHP) and electric boiler (EB) , Abandoning Wind and Solar Energy and Electricity / Gas / Heat Load Reduction Comprehensive Minimum Optimization Model, Electricity-Gas-Heat Interconnection System Risk Assessment Indicators, etc. Background technique [0002] In recent years, with the continuous expansion of the scale of traditional coupling components such as cogeneration of various fuel types, gas generator sets, gas boilers, and electric boilers, the coupling relationship between electric power, natural gas, and thermal systems has deepened. The coupling element STCHP utilizes clean energy solar heat and is equipped with heat storage at the same time, which breaks the traditional operation mode of "heat determines ele...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06F17/50
CPCG06Q10/0635G06Q50/06G06F30/20Y04S10/50
Inventor 余娟郭林马梦楠严梓铭颜伟赵霞
Owner CHONGQING UNIV
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