Abstract-This

In this paper, a control method called radial-orbital decomposition (ROD) control is proposed for controlling the voltage of electric springs (ES). The proposed control method decomposed the ES voltage into two components. The radial component can be used in grid voltage regulation in the future smart grid while the orbital component can be used to improve the power factor of the non-critical load that is connected in series with the ES. As a result, the grid voltage regulation and the power factor improvement can be done independently and simultaneously. A two-kilowatts laboratory-scale experiment was done to verified the proposed control method.

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