METHOD OF AND APPARATUS FOR LEARNING THE PHASE ERROR OR TIMING DELAYS WITHIN A CURRENT TRANSDUCER AND POWER MEASUREMENT APPARATUS INCLUDING CURRENT TRANSDUCER ERROR CORRECTION

METHOD OF AND APPARATUS FOR LEARNING THE PHASE ERROR OR TIMING DELAYS WITHIN A CURRENT TRANSDUCER AND POWER MEASUREMENT APPARATUS INCLUDING CURRENT TRANSDUCER ERROR CORRECTION

Current transducers are widely used in current measuring systems. They provide good isolation between the supply voltage and the measurement equipment. However they can introduce small phase errors which can become significant sources of error if the current to a load is out of phase with the supply...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Hurwitz Jonathan Ephraim David, Holland William Michael James, Ye Shaoli, Danesh Seyed Amir Ali
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:Current transducers are widely used in current measuring systems. They provide good isolation between the supply voltage and the measurement equipment. However they can introduce small phase errors which can become significant sources of error if the current to a load is out of phase with the supply voltage for the load. This disclosure discusses a robust measurement apparatus and method that can be used in situ to monitor for and correct phase errors.