Comparative Analysis of LQR and Hysteresis Control for Voltage and Power Regulation in a Four-Bus Microgrid

Author(s)	Somala. Arjuna Rao, Ramesh H.R.
Country	India
Abstract	The work incorporates the control strategies in closed loop control of quadratic boost converter based four bus micro grid using –HC (hysteresis controller) and LQR (linear quadratic regulator) controllers. The suggested LQR controls the voltage and current at load buses by using Hybrid Power Flow Controlled system. This work deals with the comparison of closed loop four bus system using HC/LQR controller. Simulation is done for 4 bus system & the outcomes are compared in terms of settling time and steady state error. The outcomes represents that the superior performance of LQR controlled 4 bus system compared to HC controlled 4 bus systems.
Keywords	Four bus, microgrid, hysteresis controller, linear quadratic regulator and quadratic boost converter.
Field	Engineering
Published In	Volume 7, Issue 1, January-February 2025
Published On	2025-01-29
Cite This	Comparative Analysis of LQR and Hysteresis Control for Voltage and Power Regulation in a Four-Bus Microgrid - Somala. Arjuna Rao, Ramesh H.R. - IJFMR Volume 7, Issue 1, January-February 2025.

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