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Home > History and Archaeology > History > Leitfaden Zur Konstruktion Von Dynamomaschinen Und Zur Berechnung Von Elektrischen Leitungen
Leitfaden Zur Konstruktion Von Dynamomaschinen Und Zur Berechnung Von Elektrischen Leitungen

Leitfaden Zur Konstruktion Von Dynamomaschinen Und Zur Berechnung Von Elektrischen Leitungen


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About the Book

Dieses historische Buch kann zahlreiche Tippfehler und fehlende Textpassagen aufweisen. Kaufer konnen in der Regel eine kostenlose eingescannte Kopie des originalen Buches vom Verleger herunterladen (ohne Tippfehler). Ohne Indizes. Nicht dargestellt. 1903 edition. Auszug: ...weniger Kupfer auf die Magnetspulen aufgebracht wird, sich mit einem geringeren Magnetisierungsgrade zu begnugen, auch wenn die Warmeverhaltnisse des Ankers keineswegs dazu zwingen, und daraus ergibt sich, dass die Anker solch kleiner Maschinen schwacher beansprucht oder reichlicher dimensioniert werden, als unter anderen Umstanden unbedingt notwendig ware. Allerdings kommt erleichternd der Umstand hinzu, dass die Ruckwirkungsverhaltnisse bei kleinen Motoren ungunstigere sein durfen, ohne dass eine erhebliche Funkenbildung wesentlich zu befurchten ist. Die eben angestellten Erorterungen lassen uns erkennen, dass, wie auch in anderen Abschnitten klar gelegt, das Magnetfeld bei kleineren Leistungen schwacher zu nehmen ist, als bei grossen, es bestatigt also den allgemeinen Grundsatz, dass die zweckmassige Feldstarke von der Leistung abhangt. Nimmt man an, dass die Magnetpolkerne aus Dynamostahl bestehen, so kann man, wie fruher erwahnt, allerdings nur, wenn man sich von der Gute des Materials, z. B. durch eine Siderognostmessung, uberzeugt hat, eine Beanspruchung bis 17000 Einheiten pro Quadratcentimeter zulassen. Wahlt man nun das Ringgestell der Maschine bezw. die Schlussjoche der Maschine nicht aus gleich gutem Material, sondern aus Gusseisen, so erhellt ohne weiteres, dass, wenn man die zylindrischen Polkerne unmittelbar mit gleichem Querschnitte auf das Joch aufschrauben wurde, das Gusseisen an dieser Ubergangsstelle ebenfalls 17000 Einheiten aufnehmen musste. Dies ist selbstverstandlich mog


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Product Details
  • ISBN-13: 9781234456290
  • Publisher: Rarebooksclub.com
  • Publisher Imprint: Rarebooksclub.com
  • Height: 246 mm
  • No of Pages: 108
  • Spine Width: 6 mm
  • Width: 189 mm
  • ISBN-10: 123445629X
  • Publisher Date: 20 May 2014
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 209 gr

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