Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Using radiant energy
Patent
1977-10-25
1978-11-21
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Using radiant energy
G01R 3100
Patent
active
041268253
ABSTRACT:
An electronic current transducer for high voltage transmission lines including a fast analog data channel for providing effective relaying information which is stablized by a slow, highly accurate, channel which is insensitive to changes in gain. In addition for dc transmission lines where polarity may reverse, offsetting or biasing allows for bipolar measurement.
REFERENCES:
patent: 3492574 (1970-01-01), Heintz et al.
patent: 3681688 (1972-08-01), Hermstein et al.
Houston John M.
Summerhayes Harry R.
Electric Power Research Institute Inc.
Krawczewicz Stanley T.
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