Isolated current shunt transducer

Details Isolated current shunt transducer Isolated current shunt transducer

1995-04-04

1997-12-23

Ramirez, Ellis B.

Boots, shoes, and leggings

364480, 324142, G01R 1900

Patent

active

057012539

ABSTRACT:
An isolated current shunt transducer includes a current shunt that produces a voltage difference between the current shunt's first and second ends, with the voltage difference being related to a current flowing through the current shunt. The transducer also includes an isolation barrier positioned between the current shunt and a processing circuit to isolate the processing circuit from a voltage that is common to both ends of the current shunt. Two or more transducers may be included in a power meter for measuring power delivered to a load by a multiple phase power distribution circuit. In such a power meter, a processing circuit is connected to the current shunts through the isolation barriers and is operable to produce multiple phase power measurements based on the differences between the voltages at the first and second ends of the current shunts.

REFERENCES:
patent: 4300182 (1981-11-01), Schweitzer, III
patent: 4500973 (1985-02-01), Ley
patent: 4978911 (1990-12-01), Perry et al.
patent: 5287107 (1994-02-01), Gampell et al.
patent: 5537333 (1996-07-01), Hemminger et al.

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