. Electric railway review . Sansom Street Substation, Philadelphia Rapid Transit Company—Plan of First Floor. volts, 3-phase, 25 cycles, by means of three conductor cableslaid underground from the generating plant at Second streetand Wyoming avenue and Beach and Laurel streets; thesealternating-current feeders enter at the Sansom street frontof the building.. 9-0 *- >;:tx;to-:^-di^^Ai-?A; ^M ■ti;vg-:-i?.XH;^a^::o ix-Bia Ouf-pin^ /?o//tV0i//ie(/ers Sansom Street Substation, Philadelphia Rapid Transit Company— Section Through Mezzanine Floor Showing Switchboard and Stairways. tunnel connecti
Image details
Contributor:
Reading Room 2020 / Alamy Stock PhotoImage ID:
2CRGB28File size:
7.1 MB (193.3 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
1955 x 1278 px | 33.1 x 21.6 cm | 13 x 8.5 inches | 150dpiMore information:
This image could have imperfections as it’s either historical or reportage.
. Electric railway review . Sansom Street Substation, Philadelphia Rapid Transit Company—Plan of First Floor. volts, 3-phase, 25 cycles, by means of three conductor cableslaid underground from the generating plant at Second streetand Wyoming avenue and Beach and Laurel streets; thesealternating-current feeders enter at the Sansom street frontof the building.. 9-0 *- >;:tx;to-:^-di^^Ai-?A; ^M ■ti;vg-:-i?.XH;^a^::o ix-Bia Ouf-pin^ /?o//tV0i//ie(/ers~ Sansom Street Substation, Philadelphia Rapid Transit Company— Section Through Mezzanine Floor Showing Switchboard and Stairways. tunnel connecting the pressure chambers on the two sidesof the station. The air-blast fan motors are connected sothat any motor or any set of motors may be connected to the August. 1906. ELECTRIC RAILWAY REVIEW 481 low-tension side of any set of transformers supplying therotary converters or to the motor-generator transformers.Three-pole, double-throw switches with the upper terminalsconnected to the motor-generator transformers and the foursets of rotary-converter transformers, respectively, and eachmiddle terminal connected on the board to the lower terminal receive two cables, and one being attached to each trans-former terminal there are 12 cables to provide tor insteadof six, and these are arranged as in the accompanyingdiagram. The switchboard is at the so