Summary

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.

Additional informations

Publication type Technical Brochures
Reference 200
Publication year 2002
Publisher CIGRE
Study committees Protection and automation (B5)
Working groups WG 34.08
File size 856 KB
Pages number 80
Price for non member 160 €
Price for member Free
Isolation and restoration policies against power system collapse
Isolation and restoration policies against power system collapse