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Title: Temperature compensated and self-calibrated current sensor

Patent ·
OSTI ID:915747

A method is described to provide temperature compensation and reduction of drift due to aging for a current sensor based on a plurality of magnetic field sensors positioned around a current carrying conductor. The offset voltage signal generated by each magnetic field sensor is used to correct variations in the output signal due to temperature variations and aging.

Research Organization:
CPY Consulting
Sponsoring Organization:
USDOE
DOE Contract Number:
FG03-01ER83228
Assignee:
FieldMetrics, Inc (Seminole, FL)
Patent Number(s):
7,274,186
Application Number:
11/556,920
OSTI ID:
915747
Country of Publication:
United States
Language:
English