. Electric railway journal . SWITCHBOARD VIEWS,At left, 90-in. feeder and synchronous motor switchboard. Incenter, .■ and railway feeder switchboard. At right. LOUVEIRA SUBSTATIONback of the generatoi and feeder board shown from another anglein the center illustration. of steel plate with all joints welded. Four separablesteel radiators are mounted on the outside of the tankto provide sufficient radiating surface. Each transformer is provided with an oil conservatoror auxiliary tank mounted on the cover. This devicepermits the main tank to be completely filled with oiland diff
. Electric railway journal . SWITCHBOARD VIEWS,At left, 90-in. feeder and synchronous motor switchboard. Incenter, .■ and railway feeder switchboard. At right. LOUVEIRA SUBSTATIONback of the generatoi and feeder board shown from another anglein the center illustration. of steel plate with all joints welded. Four separablesteel radiators are mounted on the outside of the tankto provide sufficient radiating surface. Each transformer is provided with an oil conservatoror auxiliary tank mounted on the cover. This devicepermits the main tank to be completely filled with oiland differences in volume of oil due to temperaturechanges take place entirely within the prevents the condensation of moisture within thetransformer. Such condensation as may occur in theconservator is collected in a sump, is indicated on agage glass and may readily be drawn off through apet-cock. Since there is no air in the main tank above theoil there is no possibility of explosion due to ignitionof gases form
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
