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File:Electrical news and engineering (1922) (14778490921).jpg

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English:

Identifier: electricalnewsen31donm (find matches)
Title: Electrical news and engineering
Year: 1891 (1890s)
Authors:
Subjects: Electrical engineering
Publisher: Don Mills, Ont. (etc.) Southam-Maclean Publications
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

View Book Page: Book Viewer
About This Book: Catalog Entry
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unit will be capable of operating continuouslyat 49,500 Ic^.a., with either voltage or current 10 per centin excess of the rated value. At 80 per cent power factor theover-all efficiency of the generators will be slightly in excessof 97 per cent. The thrust bearing is designed to support a load of1,000.000 lbs. This is slightly in excess of the weight of delta to Y to give 110,000 to 132,000 volts, at rated load.These are of the shell type, and individually rated at 15.000kv.a.. 25 cycle, 12.000/63.500/75,000. They are guaranteed98.2 per cent efficient at 80 per cent power factor. Theweight of a complete transformer is 100 tons; this includes6,500 Imperial gallons of oil, which is required with eachtransformer for cooling purposes. The transformer dimen-sions are 28.5 ft. high, 9.5 ft. diameter. Each bank is equip-ped with differentia! protection. Switching ApparatusThe switching apparatus consists of 12.000 and 110,000 88 THE ELECTRICAL NEWS Airplane View of Queenston-Chippawa Plant
Text Appearing After Image:
A wonderfully realistic Birds-eye view of the Chippawa-Queenston development of the Hydro-ElectricPower Commission of Ontario showing Canal, diffuser, forebay, gatehouse, penstocks, powerhouse andNiagara River. THE ELECTRICAL NEWS

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Volume
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1922
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  • bookid:electricalnewsen31donm
  • bookyear:1891
  • bookdecade:1890
  • bookcentury:1800
  • booksubject:Electrical_engineering
  • bookpublisher:Don_Mills__Ont___etc___Southam_Maclean_Publications
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30 July 2014
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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14778490921. It was reviewed on 23 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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