Control and Power Management Strategy for Shunt DC Electric Spring Integrated DC Microgrid

Authors

  • A. G. Anu Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Kerala, India
  • R. Harikumar Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Kerala, India
  • S. Ushakumari Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Kerala, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.3754

Keywords:

DC microgrid, shunt DC Electric Spring, PI controller, power management strategy

Abstract

Incorporation of intermittent renewable sources and nonlinear loads to DC microgrid (DCMG) has increased its vulnerability to voltage instability and flicker. An innovative Demand Side Management (DSM) program that can help in mitigating these voltage disruptions is the deployment of DC Electric Spring (DCES) technology. In this regard, this paper focuses on small signal modeling and controller design of shunt DCES (ShDCES) in DCMG. The test system comprises of an MPPT controlled Solar Photo-Voltaic (SPV) system, battery-operated DCES and various loads. The MATLAB / Simulink performance analysis of the system indicates that, with the incorporation of power management strategy, the ShDCES configuration has enhanced the power quality of SPV-fed DCMG with fast dynamic response in comparison with its “series” counterpart. The effective utilization of battery operated DCES on the load side, instead of the source side, makes it less battery dependent, resulting in enhancement of battery life and lesser environmental hazards. The simulation results are also validated using real-time simulator OP4510 RTS.

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Author Biographies

A. G. Anu, Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Kerala, India

A. G. Anu was born in Kerala, India, in 1981. She received the B.Tech degree in electrical and electronics engineering from the T.K.M College of Engineering, Kollam, Kerala, India, in 2002 and M. Tech in power systems from the Government Engineering College, Thrissur, Kerala, India in 2005. She is presently a part-time research scholar at the College of Engineering Trivandrum under APJ Abdul Kalam Technological University, Kerala. She has 17 years of teaching experience in various engineering colleges and since 2011 she is working as an Assistant Professor in the Department of Electrical Engineering at the College of Engineering Trivandrum, India. Her research interests include DC microgrid, DC electric spring, and Hybrid Energy Storage Systems.

R. Harikumar, Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Kerala, India

R. Harikumar was born in Kerala, India, in 1974. He received the B.E. degree in electrical and electronics engineering from the Manipal Institute of Technology, Manipal, Karnataka, India, in 1995, M.Tech. in power systems from The National Institute of Engineering, Mysuru, India in 2006 and Ph.D. in electrical engineering from Kerala University, India in 2018. Since 2008, he has been with the Department of Electrical Engineering, College of Engineering Trivandrum, where he is currently an Associate Professor. His current research interests include control and protection of microgrid, smart grid and electric drives.

S. Ushakumari, Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Kerala, India

S. Ushakumari was born in Kerala, India. She is the former Professor and Head of the Department of Electrical Engineering, College of Engineering Trivandrum having more than 30 years of teaching experience. She received B.Tech degree in electrical engineering from T.K.M College of Engineering, Kollam, M.Tech, and Ph.D. in Control Systems from the College of Engineering Trivandrum under the University of Kerala. She is also the former Technical Officer and Project Head, Centre of Excellence in Electric Vehicle, TrEST research park. She has one patent granted on High powered geared electric vehicle and one filed on a solenoid electric bike. She produced 8 PhDs and has many national and international publications in reputed journals. Her research interests include Drives, Fuzzy, Robust control, Fault detection and diagnosis, Electric vehicle, and Microgrid.

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Published

2022-05-25

How to Cite

Anu, A. G. ., Harikumar, R. ., & Ushakumari, S. . (2022). Control and Power Management Strategy for Shunt DC Electric Spring Integrated DC Microgrid. Distributed Generation &Amp; Alternative Energy Journal, 37(05), 1371–1394. https://doi.org/10.13052/dgaej2156-3306.3754

Issue

2022: Vol 37 Iss 5

Section

Articles