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  1. gapowermike

    Florida blackout

    I heard from a colleague today that a Test Engineer disabled the protection on a 138kV reactor following a differential operation. He also disabled the switch/breaker failure and was apparently 'testing' the reactor because it was determined (incorrectly) that the original operation was not...
  2. gapowermike

    Florida blackout

    Anything new on this? I'm particularly interested in chain of events with regard to disabling protection for testing. It seems like breaker failure or back up (Z3/Z4) distance would have prevented the widespread outage. Michael

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