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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...
A novel control strategy is proposed for the recent proposed electric springs (ESs), which are connected in series with noncritical loads to form smart loads for enhancing stability of smart grid with renewable energy sources. δ control is the key concept in this paper, which is realized by controlling the phase angle of the predefined reference in a proportional resonant controller. Four critical...
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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