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A 1100kv UHV DC Transmission Line Tower Series Planning Method

A technology for UHVDC and power transmission lines, applied in data processing applications, climate sustainability, forecasting, etc., to reduce engineering costs and floor space

Active Publication Date: 2020-05-22
SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there has not been a complete set of tower series planning scheme for 1100kV DC transmission line, so it is very necessary to determine the planning method of tower series for 1100kV UHV DC transmission line

Method used

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  • A 1100kv UHV DC Transmission Line Tower Series Planning Method
  • A 1100kv UHV DC Transmission Line Tower Series Planning Method
  • A 1100kv UHV DC Transmission Line Tower Series Planning Method

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with specific embodiments.

[0021] In order to make the object, technical scheme and advantages of the present invention clearer, as figure 1 Shown, below in conjunction with embodiment, the present invention is described in further detail. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] A method for planning a series of poles and towers of a 1100kV UHV direct current transmission line, specifically comprising the following steps.

[0023] Step 1. Investigate the temperature, wind speed, ice thickness, altitude, terrain distribution and line length of the transmission line, and divide the meteorological combination of M sections according to the combination of survey values, where M is an integer.

[0024] Step 2. Merge according to the weather, terrain conditions, ground wire type, po...

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Abstract

The invention relates to the field of tower design and discloses a 1,100kV extra-high voltage direct-current power transmission line tower series planning method. The method comprises the following steps of dividing weather combinations of multiple sections according to weather condition survey value combinations; setting a merging process according to required conditions such as weather, a topographic condition, a conductor and ground wire type, a polar spacing, altitude, an overvoltage multiple, a gap and the like, and obtaining multiple tower series; performing tower optimization ranking under a non-constraint condition, and obtaining a horizontal span, a vertical span and a tower height of each tower series; selecting multiple linear tower series with different horizontal spans to perform comparison of comprehensive cost, horizontal span utilization rate and the like, and determining horizontal span parameters of an optimal linear tower series (such as 4, 5, 6, 7 set and the like); and according to an optimal ranking scheme, performing statistics on the usage rates of the vertical span, the tower height and the Kv value of the determined optimal linear tower series by utilizing a distribution probability and a cumulative probability, obtaining a value range with a relatively high usage rate, and determining usage condition parameters of the linear tower series.

Description

technical field [0001] The invention relates to the technical field of tower design for transmission lines, in particular to a method for planning a series of towers for 1100kV UHV DC transmission lines. Background technique [0002] In the cost of the main body project of the transmission line, the cost of the tower project accounts for a large proportion. Judging from the design situation of 800kV DC transmission lines at home and abroad, the construction cost of towers accounts for about 30% of the main body cost. For 1100kV DC transmission lines, the cost of towers accounts for a higher proportion. The tower index is mainly determined by the type and service conditions of the tower. Therefore, the planning of the tower series is an important link in the design of the transmission line. Whether the planning of the tower series is reasonable or not has a great impact on the cost of the transmission line project; It plays a key role and affects the overall investment of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/047G06Q50/06Y02A90/10
Inventor 朱长青谢静罗鸣李育兵李先志梁明胡全肖洪伟王永刚黄家圣盛道伟李会超刘炯戴严航邢东明曹立伟
Owner SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
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