NDLI: Super-Twisting Algorithm-Based Virtual Synchronous Generator in Inverter Interfaced Distributed Generation (IIDG)

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Super-Twisting Algorithm-Based Virtual Synchronous Generator in Inverter Interfaced Distributed Generation (IIDG)

Content Provider	MDPI
Author	Singh, Sudhir Kumar Singh, Rajveer Ashfaq, Haroon Sharma, Sanjeev Kumar Sharma, Gulshan Bokoro, Pitshou N.
Copyright Year	2022
Description	The significant proliferation of renewable resources, primarily inverter interfaced distributed generation (IIDG) in the utility grid, leads to a dearth of overall inertia. Subsequently, the system illustrates more frequency nadir and a steeper frequency response. This may degrade the dynamic frequency stability of the overall system. Further, virtual inertia has been synthetically developed in IIDG, which is known as a virtual synchronous generator (VSG). In this work, a novel STO-STC-based controller has been developed, which offers flexible inertia following system disturbance. The controller is based on the super-twisting algorithm (STA), which is a further advancement in the conventional sliding mode control (SMC), and has been incorporated in the control loop of the VSG. In this scheme, two steps have been implemented, where the first one is to categorize all states of the system using a super-twisting observer (STO) and further, it is required to converge essential states very quickly, exploiting a super-twisting controller (STC). Thus, the STO-STC controller reveals a finite-time convergence to the numerous frequency disturbances, based on various case studies. The performance of the controller has been examined in the MATLAB environment with time–domain results that corroborate the satisfactory performance of the STO-STC scheme and that illustrate eminence over the state of the art.
Starting Page	5890
e-ISSN	19961073
DOI	10.3390/en15165890
Journal	Energies
Issue Number	16
Volume Number	15
Language	English
Publisher	MDPI
Publisher Date	2022-08-14
Access Restriction	Open
Subject Keyword	Energies Industrial Engineering Virtual Inertia Emulation Virtual Synchronous Generator (vsg) Inverter Interfaced Distributed Generation (iidg) Sliding Mode Control (smc) Super-twisting Algorithm (stalg) Super-twisting Control (stc)
Content Type	Text
Resource Type	Article

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