Abstract
AbstractBecause of the significant development in the usage of power converter-based renewable energy sources (RESs), the entire system inertia in a microgrid may be greatly reduced, increasing the interconnected power system's sensitivity to instability. A virtual inertia control application is needed to overcome this problem. This study uses inertia control strategies in an interconnected power system with RESs, such as the inertia control-based derivative method, first with normal energy storage system (ESS)-based virtual inertia control (VIC), and then with superconducting magnetic energy storage (SMES)-based VIC, to improve frequency stability. Both suggested control method's efficacy and control performance are compared. To model the system and simulate the results MATLAB/Simulink is used. For maintaining system frequency, a proportional integral derivative (PID) is utilized as a secondary control. The gain settings of the regulators are optimized via Harris hawk optimization (HHO). Finally, to verify the efficiency of the virtual inertia control method on stability improvement, a multi-area test system with high RESs penetration level is applied for various scenarios.KeywordsInertiaRenewable Energy Sources (RESs)Virtual inertia controlDerivative methodEnergy Storage System (ESS)Superconducting Magnetic Energy Storage (SMES)
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