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Risk assessment method of electricity-gas-heat interconnection system considering CSP and electric boiler

A technology of interconnected system risk and combined heat and power generation, applied in information technology support system, electrical digital data processing, CAD based on constraints, etc., can solve the problems of insufficient consideration of risk indicators in risk assessment energy flow model and load reduction optimization model, etc. Achieve the effect of effective quantification and accurate calculation of abandoned wind/light amount

Active Publication Date: 2021-06-22
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] 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

Method used

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  • Risk assessment method of electricity-gas-heat interconnection system considering CSP and electric boiler
  • Risk assessment method of electricity-gas-heat interconnection system considering CSP and electric boiler
  • Risk assessment method of electricity-gas-heat interconnection system considering CSP and electric boiler

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Embodiment Construction

[0082] The present invention will be further described below in conjunction with embodiment, but should not be interpreted as the scope of the above-mentioned theme of the present invention only

[0083] 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.

[0084] 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.

[0085] (1) Input basic data

[0086] IEEE9-NGS6-DHN7 electricity-gas-heat interconnection system consists of three parts: IEEE9 node power system, NGS6 node natural gas system and DH...

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Abstract

The invention discloses a risk assessment method for an electricity-gas-heat interconnection system considering photothermal cogeneration and an electric boiler. Establish an energy flow model based on the coupling elements STCHP and EB, a comprehensive minimum optimization model for wind and solar curtailment, and electric / gas / heat load reduction; secondly, establish the power / gas / heat shortage expectation and wind curtailment of the electric-gas-thermal interconnection system System-level risk indicators for / abandoning light expectations; thirdly, on the basis of the established energy flow model, load shedding model and evaluation indicators, further consider component failures, electrical / gas / thermal loads, wind power and photovoltaic power, etc. Random factors, put forward the steps and flow chart of the risk assessment of electricity-gas-heat interconnection system considering solar-thermal cogeneration and electric boiler; finally, realize the electric-gas-thermal interconnection system considering solar-thermal cogeneration and electric boiler through the program on the MATLAB platform ‑Calculation and analysis work for risk assessment of gas‑heat interconnection system.

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 traditional [0003] As the scale of coupling components continues to expand, the coupling relationship between electric power, natural gas, and thermal systems is deepening. 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 electricity" in cogeneration, and has the same high-efficiency energy conversion characteris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06G06F30/20G06F113/06G06F113/08G06F119/08G06F119/02G06F111/04
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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