A. Ekstrom

HVDC Thyristor Valve Development

Lars Eklund, Ake Ekstrom, L. Eklund, 1987, IEEE Transactions on Power Electronics.

Analysis on the control principle of the active DC filter in the Lindome converter station of the Konti-Skan HVDC link

A. Ekstrom, A. J. Isaksson, Wenyan Zhang, 1998 .

General analysis of harmonic transfer through converters

Ying Jiang, A. Ekstrom, A. Ekstrom, 1997 .