File:Efficiency of a mercury arc rectifier for charging storage batteries (1909) (14577749617).jpg

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Identifier: efficiencyofmerc00beac (find matches)
Title: Efficiency of a mercury arc rectifier for charging storage batteries
Year: 1909 (1900s)
Authors: Beach, Bayard Macknet Carper, John Fisher
Subjects: Mercury-arc rectifiers Storage batteries Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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9 current, so that one anode is still discharging current whilethe other is beginning, hence at no time does the discharge ceaseentirely, and the ionization of the vapor is maintained by thealternating current itself; this rectifier is said to be selfexciting. Furthermore, in the constant-potential rectifier,which is the form used for battery charging, the coils of theautotransformer are made highly reactive, so that no separatereactances are needed.OSCILLOGRAPH CURVES Tracings of curves taken with the oscillograph are shownon page 8. The lowest curve on the sheet shows the applied e.m.f.,and the alternating current wave would be of similar share.The upper two curves show the current in each anode, and theeffect of the reactances is clearly seen in the fact that thetwo ordinates at any point never fall below a considerable pos-itive value. The curve of current from the cathode, shown nextbelow,shows this more clearly. Prom these curves it is evident that both halves of eachwave are us

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  • bookid:efficiencyofmerc00beac
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Beach__Bayard_Macknet
  • bookauthor:Carper__John_Fisher
  • booksubject:Mercury_arc_rectifiers
  • booksubject:Storage_batteries
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:25
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
Flickr posted date
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28 July 2014



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