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Bundled conductor aeolian vibration determination method considering spacer damping parameter

A technology of damping parameters and splitting wires, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as low accuracy

Active Publication Date: 2016-07-13
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can meet the needs of engineering calculations, the accuracy of the calculations is not high, and the damping effect of the spacer rods needs to be considered in depth to improve the accuracy of the calculation of the breeze vibration of the split conductor

Method used

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  • Bundled conductor aeolian vibration determination method considering spacer damping parameter
  • Bundled conductor aeolian vibration determination method considering spacer damping parameter
  • Bundled conductor aeolian vibration determination method considering spacer damping parameter

Examples

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Embodiment 1

[0066] like Figure 1-2 As shown, the invention of this example provides a method for determining the breeze vibration of split conductors considering the damping parameters of spacers, comprising the following steps:

[0067] 1. Determination of the damping parameters of the spacer clamp

[0068] The damping parameters of spacer clamps can be determined through tests, and the test methods are as follows.

[0069] The body of the spacer bar to be tested is fixed rigidly on the test bracket, and a certain weight is applied to the clamp of the spacer bar. Apply a tangential force along the direction of the rotation circle of the spacer clamp, so that the clamp rotates to the limit position, stays for one minute, and then releases suddenly, allowing the clamp to vibrate freely. Install an acceleration sensor on the clamp, and record the displacement curve of the free attenuation vibration of the clamp through the data acquisition system, for example figure 1 shown. Described ...

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Abstract

The invention relates to a bundled conductor aeolian vibration determination method considering a spacer damping parameter. The method is based on spacer line clamp damping parameter computational analysis and experimental study and combines a spacer average subspan calculation method, the real spacer damping is applied to a proper position of a bundled conductor, and finally, solution of bundled conductor aeolian vibration is realized with a finite element method, so that the bundled conductor aeolian vibration level is determined, and a reference is provided for anti-vibration design of lines. The method can make up defects of solving bundled conductor aeolian vibration on the basis of a traditional reduction factor method.

Description

Technical field: [0001] The invention relates to a method for determining the breeze vibration of a split conductor, and more particularly relates to a method for determining the breeze vibration of a split conductor considering the damping parameters of spacers. Background technique: [0002] Since the reform and opening up, my country's electric power industry has developed rapidly. Especially in recent years, with the continuous high-speed growth of electricity demand, the speed of electric power development has been further accelerated. The electric power industry is a basic industry related to the national economy and people's livelihood. Optimizing the allocation of energy resources, ensuring national energy security, and providing high-quality and reliable power supply for national economic and social development are important missions of the power industry in serving the construction of a socialist harmonious society. [0003] The split conductors of overhead trans...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 齐翼朱宽军刘胜春万建成王景朝刘彬高渊尹泉
Owner STATE GRID CORP OF CHINA
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