A multi-dimensional optimization method for integrated energy system based on improved whale algorithm

An integrated energy system and optimization technology, applied in the field of multi-dimensional optimization of integrated energy systems, can solve problems such as slow convergence speed, local optimal solution, and low convergence accuracy, so as to improve convergence accuracy, improve global search capabilities, and improve local The effect of search ability

Inactive Publication Date: 2019-02-15
CHINA ELECTRIC POWER RES INST +4
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Problems solved by technology

However, the traditional whale algorithm uses the linear inertia weight method, so it is easy to fall into the local optimal solution, slow convergence speed and low convergence accuracy

Method used

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  • A multi-dimensional optimization method for integrated energy system based on improved whale algorithm
  • A multi-dimensional optimization method for integrated energy system based on improved whale algorithm
  • A multi-dimensional optimization method for integrated energy system based on improved whale algorithm

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Embodiment Construction

[0031] The following is a detailed description of the present invention with reference to the drawings.

[0032] The multi-dimensional optimization method of the integrated energy system based on the improved whale algorithm of the present invention aims to solve the problem of the cold-heat-electricity combined energy system in satisfying the constraints of cold, heat, and electricity balance, energy storage equipment constraints and electric heating, electric cooling conversion equipment constraints Under the conditions, the optimization problem to achieve the goal of the lowest total operating cost. The implementation steps are as follows:

[0033] Step S1: Establish models of renewable energy and cooling, heating, and power loads, system operation models, energy storage equipment models, and energy conversion equipment models, and determine the calculation methods of various operating costs in the integrated energy system and the balance conditions of electricity, heat, and col...

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Abstract

The invention discloses a multi-dimensional optimization method of an integrated energy system based on an improved whale algorithm. The method models the integrated energy system, takes the minimum overall operation cost as an objective function, takes the balance conditions of electricity, heat and cold as a constraint condition, and adopts the improved whale algorithm to obtain the global optimal solution of the objective function. The improved whale algorithm is based on the traditional whale algorithm by introducing adaptive weights and Cauchy mutation. On the one hand, the invention improves the global searching ability of the whale algorithm and avoids falling into local optimization; On the other hand, the local searching ability is improved, the convergence speed and precision areimproved, and the stability is good.

Description

Technical field [0001] The invention relates to a multi-dimensional optimization method for an integrated energy system, in particular to a method for multi-dimensional optimization of a cold-heat-electric integrated energy system containing distributed new energy generation based on an improved whale algorithm. Background technique [0002] In recent years, with the increasingly serious energy crisis and the maturity and improvement of distributed power technology, a cold-heat-electric integrated energy system with renewable energy and high energy efficiency has also received extensive attention. The integrated energy system not only makes full use of the clean and environmentally friendly characteristics of renewable energy power generation, but also uses natural gas as the primary energy source based on the concept of energy cascade utilization to produce cogeneration of cold, heat and electricity. It is a system with high energy utilization and resource complementarity. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06G06N3/00
CPCG06N3/006G06Q10/04G06Q50/06Y02E40/70Y04S10/50
Inventor 曲春辉赵洋陶思钰王岩徐青山孙文文杨硕孙辰军
Owner CHINA ELECTRIC POWER RES INST
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