Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Patent
1992-03-31
1993-10-05
Nguyen, Vinh
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Magnetic saturation
324117R, G01R 3306
Patent
active
052508943
ABSTRACT:
A current sensing system includes a number of remote current sensors for measuring the magnetic field surrounding each conductor of an electrical transmission system to independently monitor the current flowing through the conductors. A generally U-shaped mounting fixture is provided for supporting the current sensors in a fixed, predetermined orientation relative to each of the conductors. An electronic compensation circuit is provided for conditioning the output of each the sensors with the output of the other of the sensors to isolate the influence of the magnetic field induced by the current flowing through only one of the conductors.
REFERENCES:
patent: 3418575 (1968-12-01), Spindle
patent: 4408155 (1983-10-01), McBride
patent: 4539520 (1983-07-01), McBride
patent: 4801937 (1989-01-01), Fernandes
patent: 4935693 (1990-06-01), Falkowski et al.
Beard John B.
Bridges Ronald P.
Bridges Electric, Inc.
Nguyen Vinh
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