“…From an operations point of view, the paper [43] discusses the impact of special protection systems on the system operator, operational problems associated with special protection systems documentation, problems due to rapid proliferation of special protection systems, and concerns about the reliability of special protection systems. Other special protection schemes include defense measures proposed in [44] to deal with the sabotage or tampering in nuclear power plants, and the various techniques documented in [45] to rapidly and efficiently restore transmission line services after an emergency.…”