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Operational economy evaluation method and system of power distribution network with distributed energy resources

A distributed energy and distribution network technology, applied in the field of distribution network, can solve the problems of lack of accuracy and low efficiency

Inactive Publication Date: 2017-10-20
FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] Based on this, it is necessary to provide a method and system for evaluating the economics of distribution network operations with distributed energy for the problems of low efficiency and lack of accuracy

Method used

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  • Operational economy evaluation method and system of power distribution network with distributed energy resources
  • Operational economy evaluation method and system of power distribution network with distributed energy resources
  • Operational economy evaluation method and system of power distribution network with distributed energy resources

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Embodiment Construction

[0022] refer to figure 1 , figure 1 It is a flow chart of the distribution network operation economic evaluation method containing distributed energy resources of the present invention, including the following steps:

[0023] Step (1): Establish an index evaluation model based on the economic benefits of distribution network operation based on the full life cycle, and determine the evaluation index items of the evaluation model. The evaluation index items include: the annual average investment amount of assets, the annual maintenance and operation cost value , annual power outage loss cost value, scrap disposal cost value and annual electricity revenue amount;

[0024] Step (2): Obtain the basic data of the distribution network to be evaluated corresponding to the evaluation index item according to the economic parameters, load level, load nature and reliability parameters of the distribution network to be evaluated;

[0025] In one embodiment, the basic data of the distribu...

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Abstract

The invention relates to an operational economy evaluation method and system of a power distribution network with distributed energy resources. The method includes: establishing a whole life cycle-based operational economic benefit index evaluation model of the power distribution network, and determining estimation index items of the evaluation model; acquiring basic data, which corresponds to the estimation index items, of the to-be-evaluated power distribution network according to economy parameters, a load level, a load nature, and reliability parameters of a regional range of the to-be-evaluated power distribution network; calculating an index value of each estimation index item according to expected service lives of power equipment of the to-be-evaluated power distribution network and the basic data; and acquiring an operational economic benefit of the to-be-evaluated power distribution network according to the evaluation model and each index value. According to the technical scheme of the invention, the scientificalness is higher, an evaluation process is in line with objective reality conditions, the efficiency is high, and the accuracy is high.

Description

technical field [0001] The invention relates to the technical field of distribution network, in particular to a method and system for evaluating the operation economy of a distribution network containing distributed energy. Background technique [0002] With the rapid development of social productivity and the sharp increase in electricity demand, the demand for distribution network construction is also increasing day by day. Therefore, it is urgent for power supply enterprises characterized by asset-intensive to do a good job in lean distribution network planning to realize the scientific and rationalization of asset investment. [0003] With the rapid development of new energy power generation technology, the grid-connected scale of distributed energy is increasing day by day. In this case, the power production of distributed energy will have a non-negligible impact on the distribution network, that is, the grid connection of distributed energy will reduce the electricity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06393G06Q50/06
Inventor 黄伟陈雪李达凯
Owner FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
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