CORELESS CURRENT PROBE AND A METHOD OF MEASURING CURRENT

A coreless current probe has a body defining an opening. A conductor carrying a current to be measured can be accommodated in the opening. At least three coreless single point magnetic field sensors are distributed in or on the body around the opening. The sensors are arranged so that the sum of the...

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Bibliographische Detailangaben
Hauptverfasser:	Walker, Ian James, LAW, KARRON LOUIS
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A coreless current probe has a body defining an opening. A conductor carrying a current to be measured can be accommodated in the opening. At least three coreless single point magnetic field sensors are distributed in or on the body around the opening. The sensors are arranged so that the sum of the outputs each with appropriate weighting is zero in any homogenous field and with no enclosed current. The sensors outputs have differing weightings so as to maximize rejection by the probe of external magnetic fields.