Emmanuel, Prince Alfred2015-05-122015-05-121991https://scholarworks.montana.edu/handle/1/6853enElectric power transmissionElectric power systems--ControlElectric current convertersElectric currents, AlternatingElectric currents, DirectDamping of low frequency oscillations in ac/dc power systems using hvdc converter controlDissertationCopyright 1991 by Prince Alfred Emmanuel