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Publication of DE1673399A1publicationCriticalpatent/DE1673399A1/de
Publication of DE1673399B2publicationCriticalpatent/DE1673399B2/de
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Publication of DE1673399CpublicationCriticalpatent/DE1673399C/de
DE196716733991967-09-291967-11-17Frequenzempfindliche einrichtung zur messung der drehzahl und drehrichtung von maschinenteilen
GrantedDE1673399B2
(de)
Verfahren und schaltungsanordnung zur sensorlosen drehwinkelerfassung einer dämpferlosen, vorzugsweise permanentmagneterregten, über einen stromrichter gespeisten synchronmaschine
Current-voltage converter without auxiliary power supply - has bridge circuit with two parallel branches, one with fixed voltage divider, other with variable