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Evaluation method of integrated energy system

A technology of comprehensive energy system and comprehensive evaluation, applied in the field of evaluation of comprehensive energy system, can solve the problem that the subjective will of decision makers cannot be introduced.

Pending Publication Date: 2021-05-07
STATE GRID HUNAN ELECTRIC POWER +2
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Traditional evaluation methods are divided into subjective weighting method and objective weighting method, but the subjective weighting method is too subjective, and the objective weighting method cannot introduce the subjective will of decision makers, and both have defects

Method used

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  • Evaluation method of integrated energy system
  • Evaluation method of integrated energy system
  • Evaluation method of integrated energy system

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Embodiment Construction

[0090] Such as figure 1 Shown is the schematic flow chart of the method of the present invention: the evaluation method of this comprehensive energy system provided by the present invention comprises the following steps:

[0091] S1. Establish a comprehensive evaluation index system; specifically, the establishment of four first-level evaluation indicators of economy, energy efficiency, environmental protection and reliability; two second-level indicators of net present value rate and annual cost saving rate under the economic index; energy efficiency Primary energy utilization rate and Two secondary indicators of consumption rate; three secondary indicators of carbon dioxide emission reduction rate, nitrogen oxide emission reduction rate and sulfur dioxide emission reduction rate under the environmental protection index; power supply reliability, heating reliability and cooling reliability under the reliability index Three secondary indicators of sex;

[0092] During speci...

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Abstract

The invention discloses an evaluation method of an integrated energy system. The method comprises the following steps: establishing an integrated evaluation index system; calculating the subjective weight of the index of each level relative to the index of the previous level; calculating the objective weight of the index of each level relative to the index of the previous level; calculating to obtain a comprehensive weight; and evaluating the integrated energy system. According to the invention, based on four criteria of economy, energy efficiency, environmental protection and reliability, all aspects of performance of the system are considered; a subjective weight is given to each criterion by adopting the FAHP of a triangular fuzzy number, so that fuzziness and randomness of expert scoring are effectively avoided; EWM is adopted to give objective weights to all indexes, and a strong mathematical theory basis is provided; a comprehensive weight is obtained by adopting a linear weighting method, and experience judgment of experts and objective laws of sample data are comprehensively considered; finally, the evaluation result is more scientific and accurate by adopting a method approaching positive and negative ideal solutions, and the comprehensive energy system can be evaluated more objectively and reliably.

Description

technical field [0001] The invention belongs to the field of electrical automation, and in particular relates to an evaluation method for a comprehensive energy system. Background technique [0002] With the development of economy and technology and the improvement of people's living standards, energy and environmental issues have become an important bottleneck restricting the development of today's society. With the enhancement of people's awareness of environmental protection, it has become an urgent need to realize the coordinated development of energy, environment and economy. The integrated energy system is an "Energy Internet" system that includes the input of multiple energy resources, and has multiple forms of energy output and transportation. Use to effectively relieve energy pressure. Therefore, it is of great significance to study the comprehensive benefit evaluation method of the comprehensive energy system planning scheme to improve the comprehensive utilizati...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06393G06Q50/06Y02P90/82
Inventor 江卓翰刘志刚周胜瑜王翼飞文明许加柱伍敏刘聪
Owner STATE GRID HUNAN ELECTRIC POWER
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