Abstract
Abstract This paper proposes a modeling method and operating algorithm of an islanding microgrid that is composedof a Battery Energy Storage System (BESS), wind turbine and diesel generator applied in island areas. Initially, the bilateral AC/DC converter was designed for charge/discharge for frequency and voltage to be maintained within theproper ranges according to the load and weather change, and the operating method was proposed for a diesel generatorto operate when power supply from the wind turbine or BESS is insufficient. The proposed modeling and controllerdesign method of BESS was applied to a typical islanded microgrid with a wind turbine and diesel generator. The frequency and voltage was kept within the permissible ranges and the proposed method was proven to be appropriatethrough simulations. Key Words : Wind Turbine, Diesel Generator, Battery Energy Storage System, Microgrid, Islanded System 이 논문은 2012년도 충북대학교 학술연구지원사업의 연구비 지원에 의하여 연구되었음. * Corresponding Author : JAE-EON KIM(Chungbuk National Univ.)Tel: +82-43-261-2423 email: jekim@cbnu.ac.krReceived July 23, 2014 Revised (1st August 21, 2014, 2nd September 10, 2014) Accepted September 11, 2014
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