Design and analysis of voltage clamped bidirectional DC–DC converter for energy storage applications

The Journal of Engineering

Raveendhra Dogga¹  Beeramangalla Lakshminarasaiah Narasimharaju²  Udumula Ramanjaneya Reddy³ 

[1] Department of Electrical Engineering , Indian Institute of Technology , Roorkee , India;Electrical Engineering Department , National Institute of Technology , Warangal , India;Electrical and Electronics Engineering Department , Vardhaman College of Engineering , Kacharam , India

关键词: Simulink-Matlab-based design;    steady-state analysis;    equivalent circuits;    high range factor;    coupled inductor bidirectional DC–DC converters;    voltage-clamp CI-BDC converter;    energy storage applications;    switch turn-off voltage spike clamping;    power 60.0 W;    VC-CI-BDC converter;    voltage clamped bidirectional DC–DC converter analysis;    CI-BDC converter counterparts;    voltage clamped bidirectional DC–DC converter design;    reduced device stress;    high-voltage stress;    leakage energy recovery;    switch turn-off voltage spikes;   

DOI  :  10.1049/joe.2018.0127

学科分类：工程和技术（综合）

来源: IET

【 摘 要 】

The coupled inductor (CI) bidirectional DC–DC (BDC) converters are becoming popular in energy storage applications owing to high range factor, reduced device stress and high efficient. However, the applications of CI-BDC are limited due to the leakage energy of CI. Hence, this work proposes a voltage-clamp (VC) CI-BDC converter that effectively recovers the leakage energy while clamping switch turn-off voltage spikes, thus, guard the device from high-voltage stress. The working principle of proposed BDC converter with its characteristic waveforms and the steady-state analysis is presented. The equivalent circuits are obtained for the each interval operation of CI-BDC converter with voltage clamp in both boost (discharging) and buck (charging) mode. A Simulink/MATLAB-based design is presented for the CI-BDC converter with voltage clamp. A 60 W, prototype of proposed converter has been developed and validated experimentally with the simulation counterparts. To confirm the elimination of leakage energy of CI, the analyses of VC-CI-BDC converter are compared with CI-BDC converter counterparts.

【 授权许可】

CC BY