In the absence of grid power, a so-called black start needs to be performed to bootstrap the power grid into operation. However, during a wide-area outage, off-site power from the grid is not available.
If all of the plant's main generators are shut down, station service power is provided by drawing power from the grid through the plant's transmission line. Normally, the electric power used within the plant is provided by the station's own generators. Toronto during the Northeast blackout of 2003, which required black-starting of generating stations.Ī black start is the process of restoring an electric power station or a part of an electric grid to operation without relying on the external electric power transmission network to recover from a total or partial shutdown.
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