Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
H02P9/24—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator
Einrichtung zur Steuerung von Foerderantrieben, insbesondere fuer Aufzuege, mit durch AEnderung der Ankerspannung geregelten Gleichstrommotoren und mit einem die Motorspannung steuernden selbsttaetigen Regler
Verfahren zur UEberwachung von Gleichstrommotoren, deren Anker Zwecks Erzielung gleicher oder verhaeltnisgleicher Drehmomente hintereinander geschaltet sind