Browsing NTNU Open by Author "Engevik, Erlend L."
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Effects of lifting reactance requirements on the optimal design of converter-fed synchronous hydrogenerators
Engevik, Erlend L.; Nysveen, Arne; Valavi, Mostafa; Hestengen, Truls (Chapter; Peer reviewed, 2017)The maximum allowed per unit value of the synchronous reactance of a synchronous generator is normally decided by the grid codes in order to maintain the stability of the system. For the converter-fed synchronous hydrogenerator, ... -
Influence of winding layout and airgap length on radial forces in large synchronous hydrogenerators
Engevik, Erlend L.; Valavi, Mostafa; Nysveen, Arne (Chapter, 2017)This paper investigates the flux density and radial force spatial harmonics in large salient pole synchronous hydro-generators. Vibration due to magnetic forces are mainly caused by low order harmonics in the airgap flux ...