Multidirectional power flow in three-port isolated DC-DC converter for multiplebattery stacks

Authors

CHANDRA SEKHAR NALAMATI
NIRANJAN KUMAR
RAJESH GUPTA

DOI

10.3906/elk-2003-41

Abstract

The advances in the field of power electronics have created a superior platform for interfacing clean renewableresources with the ever-growing energy storage technology. In this paper, a multidirectional power flow operation in thethree-port isolated DC-DC converter (TBDC) topology has been demonstrated for interfacing different battery energystorage sections to increase the system reliability. Comparison of multiple battery integration with dual active bridge andTBDC has been presented. Converter analysis has been conducted using the Fourier series harmonic model and converterloss calculation is also presented. Power flow controller has been proposed for closed-loop control of the TBDC. Theperformance of the converter has been tested using MATLAB-based simulation and three modes of power flow controloperation have been verified through scaled down laboratory experimental setup.

Keywords

Multiport converter, bidirectional isolated DC-DC converter, electrical energy storage

First Page

756

Last Page

772

Recommended Citation

NALAMATI, CHANDRA SEKHAR; KUMAR, NIRANJAN; and GUPTA, RAJESH (2021) "Multidirectional power flow in three-port isolated DC-DC converter for multiplebattery stacks," Turkish Journal of Electrical Engineering and Computer Sciences: Vol. 29: No. 2, Article 19. https://doi.org/10.3906/elk-2003-41
Available at: https://journals.tubitak.gov.tr/elektrik/vol29/iss2/19