Transmission line load cell protection system
First Claim
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1. A system for determining the tension of an overhead transmission power line section comprising:
- a section terminal transmission tower;
a transmission power line section having a terminal end connected to said tower;
Tension measuring means connected to the transmission section and to said tower to produce electrical signals representative of the power line tension;
console means located a distance from said tension measuring means;
electrical signal provessing means located within said console;
electrical cable means connected to the tension measuring means and to said electrical signal processing means;
first electrical grounding means located at the said console means to electrically ground the console means;
second electrical grounding means located at the tension measuring means a distance from the console means to ground the tension measuring means;
first electrical shield means surrounding said electrical cable means and connected to said first electrical grounding means and console; and
second electrical shield means surrounding said electrical cable means and connected to said second electrical grounding means and said tension measuring means.
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Abstract
A system for monitoring the sag of a transmission power line. A tension measuring device is provided to the power line and a distant signal processing unit connects to the measuring device by a cable. A cable shielding arrangement is provided to protect the system from electrical transients.
34 Citations
2 Claims
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1. A system for determining the tension of an overhead transmission power line section comprising:
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a section terminal transmission tower; a transmission power line section having a terminal end connected to said tower; Tension measuring means connected to the transmission section and to said tower to produce electrical signals representative of the power line tension; console means located a distance from said tension measuring means; electrical signal provessing means located within said console; electrical cable means connected to the tension measuring means and to said electrical signal processing means; first electrical grounding means located at the said console means to electrically ground the console means; second electrical grounding means located at the tension measuring means a distance from the console means to ground the tension measuring means; first electrical shield means surrounding said electrical cable means and connected to said first electrical grounding means and console; and second electrical shield means surrounding said electrical cable means and connected to said second electrical grounding means and said tension measuring means. - View Dependent Claims (2)
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Specification
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Current AssigneeNexans Incorporated (Nokia Corporation)
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Original AssigneeTapani O. Seppa
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InventorsSeppa, Tapani O
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Primary Examiner(s)Dombroske, George
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Assistant Examiner(s)THOMPSON, JEWEL VERGIE
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Application NumberUS09/020,928Time in Patent Office505 DaysField of Search174/106 R, 174/105 R, 73/862.471, 73/862.451, 73/862.391US Class Current73/862.391CPC Class CodesG01L 5/103 using sensors fixed at one ...
