Robust Frequency Control of Islanded Microgrids Using an Extended Virtual Synchronous Generator
Publish place: The first international conference of modern research engineers in electricity and computer
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CBCONF01_0885
تاریخ نمایه سازی: 16 شهریور 1395
Abstract:
Integration of inverter-interfaced distributed generators (DGs), e.g., as microgrids, into traditional power systems, reduces the total inertia and damping properties, and accordingly increases uncertainty and sensitivity to the fault in the system. The concept of virtual synchronous generator (VSG) has been recently introduced in the literature as a solution that mimic the behavior of conventional synchronous generators in large power systems. Parameters of the VSGs are normally determined via comparing the virtual and the conventional synchronous generators. This paper introduces an extended VSG (EVSG) by combining the concept of virtual rotor, virtual primary and virtual secondary control. A H∞ robust control method is proposed for optimal tuning of the extended VSG parameters. A Microgrid test bench is used to verify the proposed control methodology.
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Authors
Abdolwahhab Fathi
Department of Electrical and Computer Engineering University of Kurdistan Sanandaj, Kurdistan, Iran
Qobad Shafiee
Department of Electrical and Computer Engineering University of Kurdistan Sanandaj, Kurdistan, Iran
Hassan Bevrani
Department of Electrical and Computer Engineering University of Kurdistan Sanandaj, Kurdistan, Iran
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