FR856639A - Bobine de réactance polyphasée permettant de régler la puissance d'appareils consommateurs au moyen de prémagnétisation à courant continu
- Google Patents
Bobine de réactance polyphasée permettant de régler la puissance d'appareils consommateurs au moyen de prémagnétisation à courant continu
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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of FR856639ApublicationCriticalpatent/FR856639A/fr
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F29/00—Variable transformers or inductances not covered by group H01F21/00
H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
H01F29/146—Constructional details
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Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
Coils Of Transformers For General Uses
(AREA)
FR856639D1938-06-201939-06-19Bobine de réactance polyphasée permettant de régler la puissance d'appareils consommateurs au moyen de prémagnétisation à courant continu
ExpiredFR856639A
(fr)