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English Electric Co Ltd
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English Electric Co Ltd
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Application filed by English Electric Co LtdfiledCriticalEnglish Electric Co Ltd
Application grantedgrantedCritical
Publication of FR1075915ApublicationCriticalpatent/FR1075915A/fr
G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
G05F1/10—Regulating voltage or current
G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
G05F1/24—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices
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FR1075915D1952-05-091953-04-16Dispositif pour la commande de moteurs électriques de traction
ExpiredFR1075915A
(fr)