OPTICAL CURRENT TRANSFORMER

OPTICAL CURRENT TRANSFORMER

PROBLEM TO BE SOLVED: To improve vibration resisting performance in an optical current transformer for determining a current value to be measured from the angle of rotation of linearly polarized light rotating, by the action of a magnetic field of the current to be measured. SOLUTION: The diameter e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SO TOMOHIRO, ITO TAKABUMI, SANO OSAMU, ITAKURA EIJI
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To improve vibration resisting performance in an optical current transformer for determining a current value to be measured from the angle of rotation of linearly polarized light rotating, by the action of a magnetic field of the current to be measured. SOLUTION: The diameter e of a luminous flux which reaches an optical fiber for detecting current after passing through a second lens 15b, is made larger than the value of the core diameter c of the optical fiber 11 for detecting current.