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Method and system for measuring a perpendicular wind component

A component and wind speed technology, applied in the direction of measuring fluid velocity, measuring device, fluid velocity measurement, etc. using thermal variables, can solve the problem of reduced visibility of optical technology

Active Publication Date: 2015-10-14
AMPACIMON
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Problems solved by technology

Besides the fact that these methods allow only partial monitoring of power lines, such methods have other disadvantages: optical techniques are sensitive to reductions in visibility induced by meteorological conditions, while other measurement methods depend on uncertainty models and / or may not Acquired and / or uncertain data, e.g. wind speed, topological data, actual conductor properties, etc.
[0025] Despite the knowledge that the vertical wind velocity component can be measured by the frequency of wind vibrations, the disadvantage remains that such wind vibrations are usually only present in certain wind speed ranges, especially at relatively low wind speeds

Method used

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  • Method and system for measuring a perpendicular wind component

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Embodiment Construction

[0069] With respect to the following defined terms, these definitions shall apply unless a different definition is given in the claims or elsewhere in this specification.

[0070] All numerical values ​​herein are assumed to be preceded by the term "about", whether or not expressly indicated. The term "about" generally refers to a range of numbers that one of ordinary skill in the art would consider equivalent (ie, having the same function or result) to the recited value. In many instances, the term "about" may be indicated to include numbers that are rounded to the nearest significant figure.

[0071] Any numerical range by endpoint is recited that includes all numbers within that range (eg, 1 to 5 includes 1, 4 / 3, 1.5, 2, e, 2.75, 3, n, 3.80, 4, and 5).

[0072] Although some suitable dimensional ranges and / or values ​​are disclosed in relation to various components, features and / or specifications, those skilled in the art motivated by this disclosure will understand that d...

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Abstract

The present invention relates to a method and system for the determination of parameters related to the speed of wind that blows near an overhead electrical power line (single or bundle conductors). The parameters include an “effective wind speed” as well as an “effective incident radiation” acting on a power line span. The measurement is made by using the combination of mechanical vibrations and movements / positions in two or three dimensions through sensors in direct link with the power line conductor.

Description

technical field [0001] The present disclosure relates to a method and system for measuring a vertical wind velocity component relative to a suspension cable span. The present disclosure also relates to methods for measuring effective incident radiation and for determining maximum allowable current ratings for such suspended cable spans, and the implementation of these methods by a computer program or a memory carrier containing a set of computer readable instructions. Background technique [0002] A local measure of wind speed can be useful for several applications, especially for monitoring the thermal behavior of power lines, since cooling by the wind component perpendicular to the power line is one of the main factors in this thermal behavior. [0003] As explained in US Patent 8,184,015, continuous monitoring of power lines (particularly high voltage overhead lines) is essential for timely detection of abnormal conditions that may lead to power outages. Measuring the sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P5/02H02G1/02H02G7/00
CPCG01W1/00G01P5/02G01P5/12G06F17/00H02G1/02H02G7/00Y04S10/26Y04S10/30Y04S10/00
Inventor J-L·利林H-M·阮B·戈达德
Owner AMPACIMON
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