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DC BUS-based integrated control scheme of distributed energy resources for improving power quality
Chul-Sang Hwang(황철상),Namwon Kim(김남원),Minwon Park(박민원),In-Keun Yu(유인근),Gyeong-Hun Kim(김경훈),Gilsung Byeon(변길성),Jin-Hong Jeon(전진홍),Eung-Sang Kim(김응상),Changhee Cho(조창희) 한국조명·전기설비학회 2016 한국조명·전기설비학회 학술대회논문집 Vol.2016 No.5
김현영 ( Kim Hyun Young ),황철상 ( Hwang Chul Sang ),정건배 ( Jeong Keon Bae ),정종호 ( Jeong Jon Ho ) 한국농공학회 1993 韓國農工學會誌 : 전원과 자원 Vol.35 No.2
When a drought occurs in an area irrigated by multi-reservoirs, operating a single reservoir separately to control the reservoir storage is not a desirable solution. In order to reduce damages effectively for the areal drought, the storage of the reservoirs within the areal boundary should be managed as a group. Storage management procedures are as follows : 1. Collecting and checking the present storages of all reservoirs 2. Computing the drought frequency and depth ; and finally, establishing a suitable storage saving strategy based on the estimated drought depth. For the purpose of this storage management, the RESTOMS(Reservoirs Storage Manage-ment System) was developed and the system was composed of the Prime computer and the ORACLE as a distribute database management system, which was the host computer of Rural Development Corporation and would be on-lined with regional offices throughout the country. Reservoirs operated by Farm Land Improvement Association were comprised in the DB system. Using the RESTOMS, the drought frequencies and drought depths were calculated with respect to the reservoir storage records(1967 to 1992). It was obvious that the results were closely corresponding to the real drought records.