Amtrak/PRR Lamokin Rotary Frequency Converter (Chester, Pennsylvania)
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Chester, Pennsylvania
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Converts 60Hz grid power to 25Hz railroad power via three 16MW rotary converters dating from the 1920's. Two 138kV circuits connect with the 2 circuits along the Northeast Corridor (via the adjacent Lamokin substation) and a single (originally 2, circa 1928) 138kV circuit travels overland to the Lenni substation to power the former PRR West Chester branch (now SEPTA's Media/Elwyn line).
Wikipedia article: http://en.wikipedia.org/wiki/Amtrak's_25_Hz_Traction_Power_System
Nearby cities:
Coordinates: 39°50'36"N 75°22'38"W
- PRR Chester Creek Branch (Abandoned) 8.8 km
- Wilmington and Western Railroad 27 km
- PRSL Newfield Branch 45 km
- Manumuskin-Maurice River, NJ - WW WJS PRS (Abandoned Railroad) 65 km
- New Jersey Central Railroad - Bivalve Spur (Abandoned) 66 km
- PRR Octoraro Branch (Partially Abandoned) 67 km
- PRR Cape May Branch (Abandoned) 82 km
- PRSL Sea Isle City Branch (Abandoned) 84 km
- PRSL Ocean City Branch (abandoned) 86 km
- PRR Wildwood Branch (Abandoned) 98 km
- Brookhaven, Pennsylvania 3.6 km
- Village Green-Green Ridge, Pennsylvania 4.5 km
- Woodlyn, Pennsylvania 4.9 km
- Upper Chichester Township 5.2 km
- Aston Township 5.6 km
- Ridley Park, Pennsylvania 6 km
- Swarthmore, Pennsylvania 6.9 km
- Folsom, Pennsylvania 7 km
- Delaware County, Pennsylvania 10 km
- Gloucester County, New Jersey 24 km