. The street railway review . Seattle Co. has in additinn to these, two ^tcam relay■Stations not used as sub-stations. These are equipped with directcurrent for railway anil light and have a combined ca-pacity of 1,500-kw. Tacoma Sub-Station. The receiving station in Tacoma is a new brick building, builtas an addition to the steam station of the Tacoma Railway & PowerCo. Control for two incoming high tension lines is provided asdescribed for Massachusetts St. snb-station. One 2.,300 volts transformer bank is installed with automatic oil switchcontrol on
. The street railway review . Seattle Co. has in additinn to these, two ^tcam relay■Stations not used as sub-stations. These are equipped with directcurrent for railway anil light and have a combined ca-pacity of 1,500-kw. Tacoma Sub-Station. The receiving station in Tacoma is a new brick building, builtas an addition to the steam station of the Tacoma Railway & PowerCo. Control for two incoming high tension lines is provided asdescribed for Massachusetts St. snb-station. One 2.,300 volts transformer bank is installed with automatic oil switchcontrol on high and low tension sides. There are also installed two 500-kw. step-up transformers, trans-forming from volts two-phase to volts three-phase forsupplying power to Fern Hill snb-station. the Northern Pacific Rail-way Cos. shops and other local consumption not within the rangeof economical distribution at 2,300 volts. Automatic control of tliisbank is provided on the low tension side only by means of a Type. llli;il TENSION WIKINi; ANh TIMi SWIItHISETTS ST. SUB-STATION. SEATTLE. H 4-poIc motor-operated oil switch. Spare transformers for eachof these banks arc provided. For receiving power from the transmission line of thePuget Sound Electric Ry. four aoo-kw. oil cooled transformers,wound for 25,000 to 50,000 volts, stepping down (rpm 25,000 to 2,300volts, are installed, Sept. 20. 1904] STREET RAILWAY REVIEW. 615 The high tension oil switches are installed on a steel concretegallery 20 ft. above the transformer room floor, the two line oilswitches on a gallery at right angles to the length of the bnildingand the transformer switch on a gallery parallel to the length .ind ,along the north wall of the building. Directly under the transformeroil switch are the transformers themselves. On the opposite side ofthe room and parallel to its length and four feet above the floor arcthe transformer oil switches. One 400-kw. induction regulat
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
