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Method for determining inlet-outlet line investment contour line for site selection of proposed substation and application manner

A substation site selection and determination method technology, applied in special data processing applications, electrical digital data processing, instruments, etc., can solve problems such as ignoring the optimal solution, and achieve the effect of easy correction and analysis

Active Publication Date: 2013-07-17
YUNNAN HENGAN ELECTRIC POWER ENG CO LTD
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  • Abstract
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Problems solved by technology

This method may ignore the optimal solution due to some subjective and objective factors

Method used

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  • Method for determining inlet-outlet line investment contour line for site selection of proposed substation and application manner
  • Method for determining inlet-outlet line investment contour line for site selection of proposed substation and application manner
  • Method for determining inlet-outlet line investment contour line for site selection of proposed substation and application manner

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Embodiment Construction

[0035] The content of the present invention will be further elaborated below in conjunction with the accompanying drawings and examples.

[0036] 1. The method for determining the investment contour of incoming and outgoing lines for the site selection of the proposed substation:

[0037] 1) The calculation formula for the investment estimation of the incoming and outgoing lines of the proposed substation adopted by the present invention is:

[0038] V = Σ i = 1 n ( hi × di × ( x - xi ) 2 + ( y - yi ) ...

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Abstract

The invention relates to a method for determining an inlet-outlet line investment contour line for site selection of a proposed substation and an application manner. The method comprises the following steps of: inputting the final positions, line attributes, buckling factors, unit costs and other parameters of inlet-outlet lines of all voltage grades as well as the geographical range for site selection of the substation in a human-machine interaction manner; calculating the total investment of all the inlet-outlet lines at all points of the substation in the range by a computer; connecting points with the same investment on a plane by a curve to form a closed or non-closed line; drawing one line every one investment difference according to a set difference value; and marking the line like marking the contour line of a topographic map.

Description

technical field [0001] The invention belongs to a method for optimizing the site selection investment of a substation in power grid construction, in particular to investment evaluation and optimal site selection carried out by applying the investment contour method of the incoming and outgoing lines of the substation. Background technique [0002] The definition of "contour line" is "a line connecting certain geographical objects or phenomena with equal values", "a line connecting points with equal values ​​of meteorological elements on a certain reference plane", etc. According to the results published by the "National Committee for Approval of Terms in Science and Technology", the applied disciplines of "isoline" are "geophysics", "geographic information system" and "atmospheric science", and the English names are contour line, isarithmic line and isoline, etc. ; No engineering instructions. The "contour" of the present invention is an extension of this concept in enginee...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 倪海云金波李蔚胡毳冯涛梁筱丽张永双李昶车育文张玲
Owner YUNNAN HENGAN ELECTRIC POWER ENG CO LTD
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