. American hydroelectric practice; a compilation of useful data and information on the design, construction and operation of hydroelectric systems, from the penstocks to distribution lines . ors have a smaller capacity than the multi-part insu-lator, this capacity diminishing as each unit is added, but increasing forthe large sizes of multi-part for higher line pressures. However, a widemulti-part insulator gives better rain protections than the narrower butlarger suspension group, yet the number of dry surfaces of the latter givesa smaller surface leakage loss. Glass Insulators.—The following
. American hydroelectric practice; a compilation of useful data and information on the design, construction and operation of hydroelectric systems, from the penstocks to distribution lines . ors have a smaller capacity than the multi-part insu-lator, this capacity diminishing as each unit is added, but increasing forthe large sizes of multi-part for higher line pressures. However, a widemulti-part insulator gives better rain protections than the narrower butlarger suspension group, yet the number of dry surfaces of the latter givesa smaller surface leakage loss. Glass Insulators.—The following information on glass insulators for hightension work is abstracted from a paper read at a meeting of the AmericanInstitute of Electrical Engineers: Glass was the first material to be used for insulators on transmissionlines in the United States, and it has shared with porcelain, this France glass is extensively used for transmission lines, we understand, 200 HYDROELECTRIC PRACTICE up to 100,000 volts, while in Italy many power lines are similarly are 5,000,000 glass insulators giving good satisfaction over hightension lines today in the United No. 7 No. 8 No. 9
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkmcgrawhillb
