Transient direction detector

Details Transient direction detector Transient direction detector

1975-01-20

1976-10-12

Rolinec, R. V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Transient or portion of cyclic

324 52, 324127, 324133, G01R 1914, G01R 3108

Patent

active

039861155

ABSTRACT:
A transient direction detector which indicates the occurrence of power line ransients and their direction of propagation. The system is comprised of current and voltage sensors, a logic and control circuit which receives the transient current and voltage sensed and provides an output to an indicator circuit to show the direction of any transients on a power line. The current sensing circuit receives an input from an induction coil on an iron clamp around a power line. The voltage sensing circuit receives its input from a voltage sampling transformer directly connected across a power line. The logic and control circuit determines where the transient occurred by comparing the polarity received from the transient current and voltage sensing circuits.

REFERENCES:
patent: 3753089 (1973-08-01), Gunn et al.
patent: 3838339 (1974-09-01), Brandt

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