The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 2012
Filed:
Mar. 03, 2009
Steven J. Syracuse, Charlotte, NC (US);
Roy Clark, Thousand Oaks, CA (US);
Peter G. Halverson, Temple City, CA (US);
Frederick M. Tesche, Saluda, NC (US);
Charles V. Barlow, Matthews, NC (US);
Steven J. Syracuse, Charlotte, NC (US);
Roy Clark, Thousand Oaks, CA (US);
Peter G. Halverson, Temple City, CA (US);
Frederick M. Tesche, Saluda, NC (US);
Charles V. Barlow, Matthews, NC (US);
Promethean Devices LLC, Fort Mill, SC (US);
Abstract
An apparatus, method, and system for measuring the magnetic field produced by phase conductors in multi-phase power lines. The magnetic field measurements are used to determine the current load on the conductors. The magnetic fields are sensed by coils placed sufficiently proximate the lines to measure the voltage induced in the coils by the field without touching the lines. The x and y components of the magnetic fields are used to calculate the conductor sag, and then the sag data, along with the field strength data, can be used to calculate the current load on the line and the phase of the current. The sag calculations of this invention are independent of line voltage and line current measurements. The system applies a computerized fitter routine to measured and sampled voltages on the coils to accurately determine the values of parameters associated with the overhead phase conductors.