GRAIN ORIENTED SILICON STEEL SHEET FOR LOW NOISE TRANSFORMER

PROBLEM TO BE SOLVED: To provide a grain oriented silicon steel sheet for a low noise transformer effectively reduced in noise by reducing higher harmonics which has louder audibility for human beings. SOLUTION: As to this grain oriented silicon steel sheet for a low noise transformer, for all value...

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Hauptverfasser:	FUJIKURA MASAHIRO, MIZOGAMI MASAHITO, ARAI SATOSHI, SAKAIDA AKIRA, MOGI TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a grain oriented silicon steel sheet for a low noise transformer effectively reduced in noise by reducing higher harmonics which has louder audibility for human beings. SOLUTION: As to this grain oriented silicon steel sheet for a low noise transformer, for all values between 0T to 1.9T in excited magnetic flux density, magnetostriction λ0-B (the difference in the shapes of the steel sheet between the case in which the magnetic flux density is BT and the case in which the magnetic flux density is 0T) lies in the range of 0