Abstract
Abstract Recently, high-cost energy storage systems are applying to hybrid generation systems with wind turbineand diesel generator in island areas for stable operation. But, this paper proposes an operating algorithm and modelingmethod of an islanding microgrid that is composed of PMSG(Permanent Magnet Synchronous Generator) and Diesel Generator applied in island areas without such energy storage system. Initially, the operating algorithm was proposedfor frequency and voltage to be maintained within the proper ranges for the load and weather change. And then themodeling method were proposed for PMSG, WT-side AC/DC converter and Grid-side DC/AC converter. The proposed operating algorithm and modeling method were applied to a typical islanded microgrid with PMSG wind turbine and diesel generator. The frequency and voltage was kept within the permissible ranges and the proposed method wasproven to be appropriate through simulations. Keywords : PMSG, Wind Turbine, Diesel Generator, Microgrid, Islanded System
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