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A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels.
The high-voltage (400 kV and 275 kV) electricity substations in the United Kingdom are listed in the following tables. The substations provide entry points to, and exit points from, the National Grid (GB) or Northern Ireland Electricity Network. Entry points include power stations, major wind farms and inter-connectors from other countries and ...
Most of the world uses 50 Hz 220 or 230 V single phase, or 400 V three-phase for residential and light industrial services. In this system, the primary distribution network supplies a few substations per area, and the 230 V / 400 V power from each substation is directly distributed to end users over a region of normally less than 1 km radius.
Detailed work plans include the construction of a "double circuit 132 kV transmission line between the Mutundwe substation in Kampala and Entebbe." [2] Work includes the extension of the existing 132/33/11 kV Mutundwe substation. In addition, a brand new outdoor 132/33 kV substation will be built in Entebbe, with 33kV indoor switchgear. [2]
The substation is fed from 110 kV substation Pathanamthitta through one 33 kV feeder (33 kV PTPE feeder). The two 11 kV feeders RPG 1.RPG-2 are fed from the small 2x2 MW hydroelectric project at Ranni Perunad works under the tail race of 12 MW, Maniyar Hydro Electric Project by Carborundum Universal Ltd. The RPG-1 and RPG-2 are mainly used for ...
The TANTRANSCO maintains all the substations in Tamil Nadu apart from the Power Grid Corporation of India Limited (PGCIL). These substations fall under one of the following categories: 400/230 kV substations. 230/110 kV substations. 110 kV substations. 33 kV substations. less than this kV transmissions as 22 kV and 11 kV are used for distribution.
Half scale trams. Operated 1969-now. Substations have battery banks for back up. 250: United States: Chicago Chicago Tunnel Company: operated 1906–1959 370: United States: Connecticut: Norwich and Westerly Railway: operated 1906–1922 [26] 525: Switzerland: Lauterbrunnen Bergbahn Lauterbrunnen-Mürren: 550 Hong Kong: Hong Kong Island: Hong ...
Kedron Substation site is still in use as a 33 kV zone substation, but Erwoods's original building, built c. 1933 was designed to take underground 11 kV supply from the New Farm Powerhouse. Kedron Substation was also where the BCC's 33 kV transmission line to Somerset dam originated, which was constructed on-site about the same time as the ...