G. Asplund

Power flow control in DC transmission grids using mechanical and semiconductor based DC/DC devices

Dragan Jovcic, Morteza Hajian, H. Zhang, 2012 .

Active DC filter for HVDC system-a test installation in the Konti-Skan DC link at Lindome converter station

G. Asplund, U. Jonsson, W. Zhang, 1993 .

Active DC filters for HVDC systems

G. Asplund, W. Zhang, 1995 .

Multiple Infeed Short Circuit Ratio – Aspects Related to Multiple HVDC into One AC Network

P.F. de Toledo, G. Asplund, G. Asplund, 2005, 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific.