Blar i NTNU Open på forfatter "Zhang, Shujun"
-
Percussive Drilling Application of Translational Motion Permanent Magnet Machine
Zhang, Shujun (Doktoravhandlinger ved NTNU, 1503-8181; 2012:233, Doctoral thesis, 2012)It is clear that percussive drills are very promising since they can increase the rate of penetration in hard rock formations. Any small improvements on the percussive drills can make a big contribution to lowering the ... -
Stability analysis of a DC power grid for marine propulsion application
Hallqvist, Max Erik Oliver (Master thesis, 2016)DC-grids have no need to have frequency and phase control, and there is no problems regarding loses through reactive effect. Even so, there have been issues related to the security of DC-grids. One of the problems which ...