File:Construction and test of a slip meter (1908) (14754875706).jpg

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Identifier: constructiontest00mill (find matches)
Title: Construction and test of a slip meter
Year: 1908 (1900s)
Authors: Miller, Clarence Benwell Welch, George Richard
Subjects: Electric motors, Induction Magnetic fields Rotors Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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Speed o\ T T 1 -^lip f-r«trr Aletor ■ / , .^ 0 iihp —; fly WfLttt- l» rpm- ,(fiO jiS-o /33, /3 / b o .11 .^^ /3 3 1/ II /3 /2^fJ 3 sr 1.7 2. s 3,5- TT.ay net have been started and stopped at exactly the sar.e time andthis error alone might have cauced a difference of one revolutionfor a minute.Second,the meter is so constructed that for accuratewoi-k the test should he run over a period of several irinutes .Third,the iTiOtor may he just on the point of slipping a pole when the testis started cr it may be only have way between the two poles.Thisintroduces an error which is inherent in the machine and can onlybe eliminated by taking a reading covering several minu.tes.Fourth,the differences as shown for loads may be explained in ■part by thefact that it was not possible for one observer to r^ount the slipand at the same time the speed of the rotoi-,Consequently, the speedsof the

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Flickr tags
InfoField
  • bookid:constructiontest00mill
  • bookyear:1908
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Miller__Clarence_Benwell
  • bookauthor:Welch__George_Richard
  • booksubject:Electric_motors__Induction
  • booksubject:Magnetic_fields
  • booksubject:Rotors
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:28
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
Flickr posted date
InfoField
29 July 2014

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