Jeneena Babu - Academia.edu (original) (raw)
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Papers by Jeneena Babu
2020 Fourth International Conference on Inventive Systems and Control (ICISC), 2020
Boost converters step up the input voltage given to them. They belong to the class of switched-mo... more Boost converters step up the input voltage given to them. They belong to the class of switched-mode power supply. Parallel connected DC-DC boost converters exhibit a large number of advantages including generation of high output current, increase in output power capability, etc. But certain problems arise during such a connection. Some of them include the rise of circulating current between converters, regulation of output voltage and undesirable load sharing. This paper investigates the effects of parallel connection of boost converters on load sharing and output current. The open-loop control and closed-loop control of boost converters is compared. The results and observations from the simulation and experiment are presented to verify the effects of parallel connection of boost converters on load sharing and circulating current.
International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering, 2016
The increasing trends of the usage of renewable sources faces challenges in the reliable operatio... more The increasing trends of the usage of renewable sources faces challenges in the reliable operation and control. The main issues related with parallel connected dc-dc converters in DC microgrid are load current sharing and circulating current. Droop control method is common technique used for load current sharing and the drawbacks of conventional droop method are poor current sharing and drop in dc grid voltage. This paper describes a figure of merit called Droop Index(DI) which is used to improve the performance of dc microgrid, which is a function of normalized current sharing difference and losses in the output side of the converters. By using an instantaneous virtual resistance R droop , minimizes the circulating current and current sharing difference between the converters. The MATLAB/Simulink model of control strategy using droop index is developed and compare with conventional droop control method and validate its theoretical results.
2020 Fourth International Conference on Inventive Systems and Control (ICISC), 2020
Boost converters step up the input voltage given to them. They belong to the class of switched-mo... more Boost converters step up the input voltage given to them. They belong to the class of switched-mode power supply. Parallel connected DC-DC boost converters exhibit a large number of advantages including generation of high output current, increase in output power capability, etc. But certain problems arise during such a connection. Some of them include the rise of circulating current between converters, regulation of output voltage and undesirable load sharing. This paper investigates the effects of parallel connection of boost converters on load sharing and output current. The open-loop control and closed-loop control of boost converters is compared. The results and observations from the simulation and experiment are presented to verify the effects of parallel connection of boost converters on load sharing and circulating current.
International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering, 2016
The increasing trends of the usage of renewable sources faces challenges in the reliable operatio... more The increasing trends of the usage of renewable sources faces challenges in the reliable operation and control. The main issues related with parallel connected dc-dc converters in DC microgrid are load current sharing and circulating current. Droop control method is common technique used for load current sharing and the drawbacks of conventional droop method are poor current sharing and drop in dc grid voltage. This paper describes a figure of merit called Droop Index(DI) which is used to improve the performance of dc microgrid, which is a function of normalized current sharing difference and losses in the output side of the converters. By using an instantaneous virtual resistance R droop , minimizes the circulating current and current sharing difference between the converters. The MATLAB/Simulink model of control strategy using droop index is developed and compare with conventional droop control method and validate its theoretical results.