. Electric railway journal . illwater and South Stillwater, the otherwest to Excelsior and Deephaven. Fourteen substationsare now in operation with the equipment shown in the table. With the exception of the new 3000-kw units in theSnelling Avenue substation, the rotary converters are allof the non-interpole type. Barring- a few of the 600-kwsize, they are all six-phase. The frequency of the systemis thirty-five cycles, and the transmission voltage is 13, transformers are used in all substations. The latest substation put into commission is the one onGirard Avenue, and, while subs
. Electric railway journal . illwater and South Stillwater, the otherwest to Excelsior and Deephaven. Fourteen substationsare now in operation with the equipment shown in the table. With the exception of the new 3000-kw units in theSnelling Avenue substation, the rotary converters are allof the non-interpole type. Barring- a few of the 600-kwsize, they are all six-phase. The frequency of the systemis thirty-five cycles, and the transmission voltage is 13, transformers are used in all substations. The latest substation put into commission is the one onGirard Avenue, and, while substation construction is nowso well standardized that a detailed description is unneces-sary, a few points in connection with this one will bementioned. The general arrangement of the station isstandard as far as the placing of converters, reactances,transformers, oil switches, blowers, etc., is concerned. Thecells for the oil switches are of concrete, cast in place insections of three, six or nine. Alberene stone slabs, 2 North On Bridge to* 15*14*13 12 & East Out of ShaftThen North over Bridge to 10? t North ShaftDepth = II Ladder | In Under South Side Endof 10th Ave. So. Bridge 15*2 To 15 = 10^ =
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