The Renewable Energy Source(RES) connected power system could make disturbances due to the intermittent output from RES. To maintain the power system stably, this paper proposed an BESS control Algorithm in order to reduce this phenomena, we propose the algorithm controling variable resistors in PCS(Power Conditioning System) and BESS(Battery Energy Storage System). In result, it is possible to control the power system stably
Construction project pre-design phase is highly influential in setting the directions for the whole business and in project to proceed. Thus, it is essential to collect and analyze enormous amount of data related to construction project. So far, the pre-design phase in a project was depending on experts’ experience and intuition. However, as construction projects become larger and more composite, the amount of related information and analyzed data increases. Therefore, the necessity arises for a plan that could directly support the pre-design phase. In this paper, BIM was suggested as a tool that will support the pre-design phase, and so the concept and role of pre-design BIM is defined. The framework of pre-design BIM simulation is composed using the international standard model IFC and how the pre-design BIM simulation system can support the process is illustrated.
본 논문에서는 Real Time Playback(HTP)을 이용하기 위하여 EMTP-RV와 PSCAD/EMTDC의 출력 데이터를 비교분석하였다. IEEE 13 Node Test Feeder를 EMTP-RV와 PSCAD/EMTDC로 모델링한 후 1선 지락사고를 모의하여 출력데이터를 RTP에 입력하였다. 이 데이터를 이용하여 RTP 이용 시 두 가지 방법에 대한 여러 가지 성능을 비교분석 하였다.
This paper covers current state of distributed energy resources interconnection in Danish distribution system and analyze the problem as voltage variation, islanding operation, and frequency variation.
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