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Case Study of Redundant Control System at Manitoba Hydro

Published By Schweitzer Engineering Laboratories, Inc. (SEL)

  • By Daniel Blanchette, Michael Dood
  • Published February 2009
  • 6 Page(s)

Manitoba Hydro’s Portage la Prairie Station originally was T-tapped off of a 230 kV line between the cities of Winnipeg and Brandon in Manitoba, Canada. The station consisted of a single 230 kV breaker, a 230/66 kV transformer, and a 66 kV ring bus with four breakers, supplying three 66 kV feeders. The upgrade of the station, due to load growth, encompassed adding three 230 kV breakers (into a ring configuration), sectionalizing the 230 kV transmission line, and adding a second 230/66 kV transformer and one additional breaker in the 66 kV ring. A solution was required to replace the control system for the expansion of the Portage la Prairie South Station.

 

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Redundant Control System at Manitoba Hydro
 
 
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