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A novel topology is proposed for three-phase electric spring (TPES) to achieve specific functionalities. With respect to the existing one, the novel topology contains an additional three-phase transformer with the primaries located at the position of the non-critical three-phase load (NCL) of the existing topology and its secondaries connected to the new three-phase NCL, thus forming a new three-phase...
This paper quantitatively compares three types of dual-stator flux-modulated (FM) permanent-magnet (PM) machines. Due to the dual-stator topology, these three machines can maximize their use of inner cavity space and achieve higher energy transmission than that of the single-stator one. Also, the flux-modulation feature can be exploited to produce the gear effect, so as to realize high torque at low...
A novel topology and its control are proposed to obtain a unique functionality from single-phase electric spring (ESs). An additional transformer with two ports is introduced in the reference scheme, where one port takes the place of the noncritical load (NCL) and the other one is connected in series to NCL. With the help of the recently introduced δ control, the balanced points of ES are modified...
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