Current sensor

Details Current sensor Current sensor

1983-01-24

1985-02-19

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

310328, 324109, 324457, G01R 3300

Patent

active

045008388

ABSTRACT:
A current sensor, responsive to the first power of a current to be measured, utilizes a piezoelectric element located between a current-carrying conductor and a permanent magnet having its north-south poles aligned normal to the direction of current flow through the conductor. The substantially constant magnetic field provides a sensor output, taken from electrodes upon opposite surfaces of the piezoelectric member, which is proportional to the first power of current flowing in the single conductor.

REFERENCES:
patent: 3997839 (1976-12-01), Dreyfus et al.
R. R. Williams et al., "Measurement of Fast Risetime Megamphere _Currents by Quartz Gauge", at 14th Pulse Power Modulator _Symposium, IEEE, Jun. 3-5, 1980, Florida.

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