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[null,"1.","Record Nr.",null,"UNINA9910627229003321"]
[null,null,"Autore",null,"Liske Andreas"]
[null,null,"Titolo",null,"Neue Methode zur Bestimmung und Beschreibung der taktfrequenten Stromsteigungen in Drehstromsynchronmaschinen / / von Andreas Liske"]
[null,null,"Pubbl/distr/stampa",null,"Karlsruhe : , : KIT Scientific Publishing, , 2022"]
[null,null,"Descrizione fisica",null,"1 online resource (286 pages) : illustrations"]
[null,null,"Disciplina",null,"621.46"]
[null,null,"Soggetti",null,"Electric motors, Synchronous"]
[{"$nulls":4},"Parametric estimation"]
[{"$nulls":4},"Electric current regulators"]
[null,null,"Lingua di pubblicazione",null,"Tedesco"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,null,"Sommario/riassunto","Die Kenntnis der taktfrequenten Änderung der Maschinenströme ist für viele Verfahren zur Regelung moderner, hoch ausgenutzter elektrischer Maschinen von großem Vorteil. Doch wie können diese Änderungen der Maschinenströme im Betrieb überhaupt zuverlässig gemessen werden? Reicht die sehr kurze Zeit der einzelnen Schaltzustände dazu überhaupt aus? Und wie können die Änderungen der Ströme mathematisch beschrieben und physikalisch interpretiert werden? Auf diese Fragen gibt diese Arbeit eine Antwort. - Knowledge of the inverter induced current ripple of machine currents is of great advantage for many control schemes of modern, highly utilized electrical machines. But how can the current ripple be measured reliably during operation? Is the very short time of each switching state long enough? And how can the current ripple be described mathematical and interpreted physical? This book gives an answer to those questions."]
[null,"2.","Record Nr.",null,"UNIORUON00081195"]
[null,null,"Autore",null,"al-NAQAR, Umar"]
[null,null,"Titolo",null,"The Pilgrimage tradition in West Africa : an historical study with special reference to the nineteenth century / Umar Al-Naqar"]
[null,null,"Pubbl/distr/stampa",null,"Khartoum, : Khartoum University, c1972"]
[null,null,"Descrizione fisica",null,"xxx, 160 p. ; 25 cm"]
[null,null,"Disciplina",null,"291.446"]
[null,null,"Soggetti",null,"PELLEGRINAGGI - Mondo islamico"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]