Non Linear Lie derivative Control Technique for Improved Voltage Regulation in Flyback Converter
| Authors | V. Devi Priya, Anitha Mariyappan |
| Affiliations |
Department of Electrical Engineering, Annamalai University, Chidambaram, India |
| Е-mail | devipriyadevi50@gmail.com |
| Issue | Volume 16, Year 2024, Number 4 |
| Dates | Received 20 April 2024; revised manuscript received 16 August 2024; published online 27 August 2024 |
| Citation | V. Devi Priya, Anitha Mariyappan, J. Nano- Electron. Phys. 16 No 4, 04007 (2024) |
| DOI | https://doi.org/10.21272/jnep.16(4).04007 |
| PACS Number(s) | 84.30.Jc |
| Keywords | Flyback converter, Lie derivative control, Voltage regulation, Transient response, DC microgrid, Power electronic converters, Renewable energy. |
| Annotation |
A renewable energy-based DC micro grid system supports the DC power flow for domestic and industrial purposes. The DC voltage drawn from the source is to be adjusted by using the power electronic converters. So, the controlling of converter came into existence. In this paper the Flyback converter is modelled to get the rated voltage regulation with the desired output voltage with proper duty cycle at the converter. The nonlinear system is converted into the linear one by using the lie derivative control technique. In this technique the relative values of current loop and voltage loop is linearized to get the desired output voltage at the flyback converter. Thus as compared to PI controller the proposed controller flows good for the transient response of the power system. The boost converter designed in the existing has modelled with the low output range but in the Flyback converter the ability to achieve the voltage regulation in DC micro grid with variable inductance and capacitance is defined. Simulation result shows the modelled flyback converter flows good and accurate as compared to the PI controller with the settling time difference of 85s of voltage dynamics in the DC micro grid system. The steady state and transient response of the system is evaluated by comparing the simulation of PI and the proposed controller used in the real time power transmission system to reduce the power loss at receiving side. |
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