1. CIGRE Brochure 68 CIRE‐IEEE Joint Task Force WG14‐07 WG15.05.05: ‘Guide for planning DC links terminating at AC systems locations having low short‐circuit capacities Part I: AC/DC interaction phenomena’ June 1992
2. CIGRE Brochure 115 CIGRE‐IEEE Joint Task Force WG14‐07 WG15.05.05: ‘Guide for planning DC links terminating at AC systems locations having low short‐circuit capacities Part II: Planning guidelines’ December 1997
3. CIGRE Brochure 222 CIGRE WG14‐05: ‘On voltage and power stability in AC/DC systems’ April 2003
4. DC Transmission Terminating at Low Short Cirucit Ratio Locations