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Hybrid cable connection method considering reliable wind power plant current collection system

A connection method and hybrid cable technology, which is applied in the field of wind farms, can solve the problem of high cost of cable layout and construction, and achieve the effect of reducing cable cost and reasonable scheme

Active Publication Date: 2020-01-17
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If reliability is the optimization goal, then the construction cost of the cable layout is too high

Method used

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  • Hybrid cable connection method considering reliable wind power plant current collection system
  • Hybrid cable connection method considering reliable wind power plant current collection system
  • Hybrid cable connection method considering reliable wind power plant current collection system

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Experimental program
Comparison scheme
Effect test

Embodiment

[0055] figure 1 It is a flow chart of a hybrid cable connection method of a wind farm power collection system considering reliability in the present invention.

[0056] In this example, if figure 1 As shown, the present invention considers a hybrid cable connection method of a wind farm power collection system including the following steps:

[0057] S1. Calculate the operating cycle cost of the wind farm power collection system

[0058] S1.1. Calculate the cable cost of the wind farm power collection system, and obtain the unit cost of the alternative cable

[0059]

[0060] Among them, C i is the unit price of cable i, A p , B p 、C p is the cable cost model coefficient, S i is the apparent power of cable i, I i,rated is the rated current of cable i, U i,rated is the rated voltage of cable i, cost i is the cost of cable i, L i is the length of cable i;

[0061] S1.2. Calculate the power generation of the wind farm

[0062]

[0063] Among them, P j is the po...

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Abstract

The invention discloses a hybrid cable connection method considering the reliability of a wind power plant current collection system, and the method comprises the steps: taking an economic index and areliability index as optimization objectives, considering the power generation cost of a wind power plant in the whole operation period, analyzing the reliability of an initial cable connection structure, and carrying out the conversion of reliability and the quantitative calculation of economy; and on the basis of economic calculation and constraint conditions, adopting a particle swarm algorithm to find a proper cable and add the cable into the initial cable layout, so that a final cable layout can be formed.

Description

technical field [0001] The invention belongs to the technical field of wind farms, and more specifically relates to a hybrid cable connection method considering the reliability of a wind farm power collection system. Background technique [0002] With the depletion of non-renewable energy sources, mankind is facing a serious energy crisis. On the other hand, the consumption of fossil fuels emits a large amount of greenhouse gases, causing environmental pollution. In order to maintain energy supply and protect the environment, renewable energy should be vigorously developed. Wind energy resources are abundant and have attracted widespread attention. On the other hand, with the development of motor technology, it is getting easier and easier to obtain wind energy. According to the report of the Global Wind Energy Council (GWEC), by 2035, a quarter of the world's electricity will come from renewable energy, and 25% of renewable energy will be occupied by wind energy. In add...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06N3/00G06F17/18
CPCG06Q10/06313G06Q50/06G06N3/006G06F17/18Y02E10/72
Inventor 胡维昊李坚黄琦李俊贤吴夏炜许潇杜月芳张真源张蔓曹迪
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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