Terminal Sliding Mode Control for Dynamic Voltage Restorer

  • Jeevan J. Inamdar Centre for Automation and School of Electrical Engineering, Vellore Institute of Technology, Chennai, India
  • K. Iyswarya Annapoorani Centre for Automation and School of Electrical Engineering, Vellore Institute of Technology, Chennai, India
Keywords: Voltage quality, voltage harmonics, dynamic voltage restorer, sliding mode control


Day by day the increment in non-linear load has deteriorated the Voltage Quality of power supply system. The crucial concerns originated are Voltage Sag and Voltage Harmonics. These power quality problems cause a lot of losses in the power system which results in commercial losses as well. The moderation of these issues within the permissible limits is much needed. Among, the several methods and devices that exist, the Dynamic Voltage Restorers (DVR) are often used. This paper focuses on mitigation of Voltage Sag and Voltage Harmonics. In the development phase of DVR, the design of controller is an important phase to be considered. The nonlinear control approach of design is superior to linear control. In this paper the Terminal Sliding Mode Control is used for designing the controller for DVR. To improve accuracy and robustness, an additional nonlinear quantity has been introduced to the equation of traditional Sliding Mode control. The Dynamic Voltage Restorer is modelled using MATLAB/Simulink and used for studies. The simulation results presented validates effectiveness of the proposed control approach.


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Author Biographies

Jeevan J. Inamdar, Centre for Automation and School of Electrical Engineering, Vellore Institute of Technology, Chennai, India

Jeevan J. Inamdar has received his M.Tech (Electrical Power System) from Bharati Vidyapeeth Deemed University, Pune, India in the year of 2015. Currently he is full time PhD scholar at VIT University, Chennai, India. His area of research is Power Quality Analysis and Mitigation Techniques.

K. Iyswarya Annapoorani, Centre for Automation and School of Electrical Engineering, Vellore Institute of Technology, Chennai, India

K. Iyswarya Annapoorani received B.E., M.E. and Doctorate in Electrical Engineering from Anna University in the field of High Voltage Engineering. Currently she is an Associate Professor in the School of Electrical Engineering at VIT University, Chennai, India. She has total 15 years of teaching experience. Her research interest includes Soft Computing Techniques, High Voltage Engineering, Renewable Energy Systems and Power Quality.


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