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Test platform applied to galloping simulation of overhead transmission line

A test platform, transmission line technology, applied in vibration testing, testing of machine/structural components, measuring devices, etc., can solve problems such as single function

Pending Publication Date: 2022-07-29
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the object of the present invention is to solve the single-function problem of the existing transmission line galloping simulation device, to provide a test platform for galloping simulation of overhead transmission lines, to realize the simulation of different frequencies and different forms of galloping of transmission lines in natural environments, To meet the research needs of various transmission line galloping in the laboratory

Method used

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  • Test platform applied to galloping simulation of overhead transmission line
  • Test platform applied to galloping simulation of overhead transmission line
  • Test platform applied to galloping simulation of overhead transmission line

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Embodiment Construction

[0020] The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only used to illustrate the basic idea of ​​the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0021] Among them, the accompanying drawings are only used for exemplary description, and represent only schematic diagrams, not physical drawings, and should not be ...

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Abstract

The invention relates to a test platform applied to galloping simulation of an overhead transmission line, and belongs to the field of galloping model tests of the overhead transmission line. The test platform comprises a power transmission line scaling model and a dancing machine, and the power transmission line scaling model realizes two-degree-of-freedom dancing simulation through the dancing machine; the dancing machine comprises a transverse reciprocating motor, a longitudinal reciprocating motor, a frequency modulation speed regulator and a voltage regulation speed regulator; the frequency-modulation voltage regulator is used for controlling the rotating speed of the transverse reciprocating motor; the voltage-regulation speed regulator is used for controlling the rotating speed of the longitudinal reciprocating motor; simulation of different galloping frequencies is realized by controlling the rotating speed of the motor. The problem that an existing power transmission line galloping simulation device is single in function is solved, simulation of different frequencies and different galloping forms of a power transmission line in the natural environment can be achieved, and various power transmission line galloping research requirements in a laboratory are met.

Description

technical field [0001] The invention belongs to the field of galloping model tests of overhead transmission lines, and relates to a test platform applied to galloping simulation of overhead transmission lines. Background technique [0002] Transmission line galloping refers to the low-frequency and large-scale self-excited vibration of overhead conductors with uneven icing along the circumference of the transmission line under the action of lateral wind. The galloping of transmission lines often leads to the damage of various devices and equipment on the line. In severe cases, it is easy to cause interphase flashover of the transmission line, causing line tripping and power failure, or causing wire strand breaks, tower collapse and other accidents, which seriously threaten the stable operation of the power transmission network. cause significant economic losses. Therefore, the research on anti-dancing is of great significance to the national power grid security, power grid ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M7/02
CPCG01M7/02
Inventor 高思航陈怡多赵俊段涵向艳林黄央曾锡松冯少轩周杰兰文宇
Owner CHONGQING UNIV OF POSTS & TELECOMM
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