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Isolation and restoration policies against power system collapse



This report discusses characteristics of severe system disturbances and describes measures applied by utilities against wide-spread blackouts, including currently applied special protection schemes against power system collapse. Normal protective relays used for fault clearance are not considered. Emphasis is placed on: circumstances which could lead to severe disturbances; utilities policies for preventing system collapse; SPS in operation; performance of SPS against disturbances; interaction of SPS and the power system.

File Size: 855,5 KB

Pages NB: 80

Study Committee : 34 (now B5) ?

WG (TF): WG 34.08

Year: 2002

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