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Rapid multi-state reliability improving method for multi-energy conversion integrated energy system

An integrated energy system and energy conversion technology, which is applied in the field of rapid multi-state reliability improvement of integrated energy systems, can solve the problems of system scale expansion, reliability calculation time increase, and reduced algorithm practicability, etc., to achieve fast calculation and reliability improvement , the effect of reducing calculation time

Pending Publication Date: 2022-07-01
ZHEJIANG UNIV CITY COLLEGE +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Disadvantage 1 of the existing technology: Traditional reliability improvement algorithms mainly focus on improving the reliability of the power system, but with the introduction of multiple coupled energy sources, the reliability improvement of the power system that can only evaluate electric energy is no longer suitable for comprehensive energy with multi-energy conversion Improved system reliability
[0010] Disadvantage 2 of the existing technology: The existing technology regards the operation of the integrated energy system as two states, that is, complete failure or perfect operation, and does not consider the intermediate state of the operation of the integrated energy system. Insufficient, so that the obtained reliability improvement model cannot accurately reflect the reliability of the integrated energy system
[0011] Disadvantage 3 of the existing technology: When improving the reliability of the integrated energy system in the existing technology, it often faces the problem that the system scale is enlarged and the reliability calculation time is also increased sharply, thus reducing the practicability of the reliability improvement algorithm, and accurate calculation is often incompatible with Fast calculations cannot simultaneously satisfy

Method used

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  • Rapid multi-state reliability improving method for multi-energy conversion integrated energy system
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  • Rapid multi-state reliability improving method for multi-energy conversion integrated energy system

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Embodiment Construction

[0070] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0071] Embodiments of the present invention are as follows:

[0072] The first step is to propose a multi-state reliability model of multi-energy conversion elements for a comprehensive energy system considering multi-energy conversion, and to represent the multi-state reliability model of multi-energy conversion elements in the form of a matrix-based general generating function;

[0073] In the integrated energy system, its multi-energy conversion subsystem contains 10 identical cogeneration units. The entire multi-energy conversion subsystem is characterized by three energy parameters of natural gas, heat and electricity, and the parameter unit is megawatt (MW). A single cogeneration unit has 6 states, and the multi-state reliability model of a single cogeneration unit is represented by the general generating function of the matrix, which is:

[0074] ...

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Abstract

The invention discloses a rapid multi-state reliability improving method for a multi-energy conversion integrated energy system. Establishing a multi-energy conversion element multi-state reliability model of the comprehensive energy system considering multi-energy conversion; adopting a clustering algorithm to perform multi-state aggregation on the multi-energy conversion element to form an aggregated multi-state reliability model; calculating the aggregation reliability of the integrated energy system meeting different multi-energy load requirements by using a rapid reliability evaluation algorithm; and establishing a reliability constraint condition by using the aggregation reliability to perform structure planning and standby optimization scheduling of the integrated energy system, thereby improving the reliability of the integrated energy system. According to the method, a traditional reliability evaluation method is improved from time and precision, the calculation time is shortened, and the reliability of the system is quickly and effectively improved.

Description

technical field [0001] The invention belongs to a system reliability processing method in the field of integrated energy systems, and in particular relates to a method for improving fast multi-state reliability of an integrated energy system considering multi-energy conversion. Background technique [0002] Integrated energy system refers to the use of advanced physical information technology and innovative management mode in a certain area to integrate coal, oil, natural gas, electric energy, thermal energy and other energy sources in a certain area to achieve coordinated planning, coordination and planning among various heterogeneous energy subsystems. Optimal operation, collaborative management, interactive response and mutual assistance. While meeting the diversified energy demand in the system, it is necessary to effectively improve the efficiency of energy utilization and promote the sustainable development of energy as a new integrated energy system. [0003] Reliabi...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06G06K9/62
CPCG06Q10/06393G06Q50/06G06F18/23213
Inventor 胡怡霜丁一
Owner ZHEJIANG UNIV CITY COLLEGE
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