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Control Strategy of a Solid State Transformer for the Grid-side Converter

[ Vol. 13 , Issue. 1 ]

Author(s):

Rahul Jaiswal*, Anshul Agarwal, Vineeta Agarwal and Badre Bossoufi   Pages 27 - 35 ( 9 )

Abstract:


Background: This paper presents a decoupled control technique for balancing the power and voltage through grid side converter using a solid state transformer.

Methods: Decoupling control is essentially a voltage oriented control technique with the objective of eliminating cross-coupling elements. Use of this decouple technique, allows bi-directional power flow control for both active and reactive power, thereby maintaining steady state DC interference voltage.

Results: The performance of this scheme is analyzed & the results are obtained from the Matlab/Simulink model.

Conclusion: From the above analysis, it can be concluded that the decoupled control strategy can easily eliminate the cross- coupled element of a solid state transformer for the grid side converter.

Keywords:

Grid side converter (GSC), solid state transformer (SST), voltage oriented control (VOC), dual active bridge (DAB), direct power control (DPC), decoupled controller (DC).

Affiliation:

Department of Electrical Engineering, Motilal Nehru National Institute of Technology, Allahabad, Department of Electrical & Electronics Engineering, National Institute of Technology Delhi, Delhi, Department of Electrical Engineering, Motilal Nehru National Institute of Technology, Allahabad, Department of Higher School Technology, First Mohamed University, Oujda

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