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| Keywords: Electrical Substation.JPG Electrical Substation Warren Minnesota The incoming 115 kV transmission line enters on the left and terminates on the A-frame structure A circuit switcher like a circuit breaker is mounted on the pedestal to the right of the A-frame A step-down 5000 kVA transformer near the center of the station reduces voltage to 41 6 kV and 12 47 kV The 41 6 kV circuit connected to the original substation by a short transmission line built on wooden poles The 12 47 kV bus connection continues to the right through a disconnect switch and three voltage regulators with bypass switches The structure on the right hand side supports the 12 47 kV bus and the four reclosers like a circuit breaker that distribute power to the 12 47 kV buried cable circuits Behind the A-frame to the left is the control building that contains the protection relays and controls for the station as well as a supervisory control SCADA terminal In the left background is a 41 6kV transmission line that supplied the city before construction of the 115kV line in 1999 Photo taken June 2001 en wikipedia Drilnoth CommonsHelper 2004-12-16 Wtshymanski wikipedia en Wtshymanski 2001-06 Original upload log page en wikipedia Electrical_Substation JPG 2004-12-16 00 17 Wtshymanski 640×480× 63495 bytes <nowiki>Electrical Substation Warren Minnesota</nowiki> Electrical substations in the United States Voltage regulators | ||||
