Electrical power line parameter measurement apparatus and system

Details Electrical power line parameter measurement apparatus and system Electrical power line parameter measurement apparatus and system

1986-05-05

1987-11-24

Gruber, Felix D.

Boots, shoes, and leggings

324127, 340657, 34087017, 364483, G01R 1900, G08B 2100

Patent

active

047093390

ABSTRACT:
The invention is primarily directed to sensor modules for mounting directly upon energized electrical power lines to monitor parameters associated with operation thereof, wherein the modules have a more compact lateral configuration than prior art modules designed for the same purpose. The modules include a first, cylindrical housing portion containing the sensing means and other electronic data processing and transmitting elements, and a second housing portion, affixed to the exterior of the first portion and extending not more than about 150.degree. around the periphery thereof, and enclosing mechanical elements of the module mounting means. The invention also concerns means for improving the accuracy of voltage measurements made by such modules by compensating for effects of adjacent, energized conductors, means for reducing the number of frequency channels required for RF data transmissions by a large number of sensor modules at a substation, means for acquiring time-synchronized data from multiple modules within a substation for accurate post-fault, sequence-of-events analysis, means for performing high speed sampling and comparison of cyclically variable parameters for relaying and harmonic measurement applications, and optical communications links for transmitting data from sensor modules.

REFERENCES:
patent: 3453544 (1969-07-01), Schweitzer, Jr.
patent: 4158810 (1979-06-01), Leskovar
patent: 4384289 (1983-05-01), Stillwell et al.
patent: 4415896 (1983-11-01), Allgood
patent: 4420752 (1983-12-01), Davis et al.

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