transformers, generators, motors and power lines have protection relays which sense conditions such as short circuits and isolate the short circuited part of th

transformers, generators, motors and power lines have protection relays which sense conditions such as short circuits and isolate the short circuited part of the ... circuit before equipment can be damaged. see http://www.selinc.com http://www.selinc.com As you say this would cause a power outage, but not necessarily break any equipment as the protection is quite robust and moreso the more critical the facility.