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제철소 후판공장 전원공급설비의 용량 최적화에 관한 연구
고현옥(Hyun-Ok Ko),박지호(Ji-Ho Park),김동완(Dong-Wan Kim) 대한전기학회 2014 전기학회논문지 Vol.63 No.9
In this paper, we suggest an optimization method which can save about 5[%] of the cost though the optimizing of configuration and capacity for the facility. To achieve this goal, we compared the design data of the power, motor and drive system with the actual operation data of the plate mill plant in K-Steelworks. Therefore we measured the actual loading data by facilities considering the operating conditions of the plate mill plant in K-Steelworks, after that analyzed these data. In addition, we review the optimal capacity for transformer, switchgear and drive, and also reconfigured the electrical room and power single line diagram through the validation of motor data by equipment and the confirmation of process data considering the load characteristics. Consequently, the optimization method of capacity for the facilities shall have effectiveness in building new plate mill plant to further reduce costs at future.
황진하,김경일,고현옥 충북대학교 건설기술연구소 1999 建設技術論文集 Vol.18 No.2
This study presents a new hybrid method for structural systems design from a systems viewpoint. The proposed method combines the concepts and procedures of conventional design method and optimal design approach. Design conditions governing the design process are divided into primary and secondary criteria, and appended to the design subproblems. First, continuous optimal design process is implemented under the primary criteria, and then three candidate sections are selected from the interacted database according to computed section properties. Finally, the selected sections are checked for feasibility by secondary considerations. The numerical results for some frames show validity and usability of the method.