The purpose of this study is to improve the KESLI consortium by analyzing the status of participant organizations and their needs. A survey questionnaire including questions on consortium selection, management, and evaluation was distributed. The findings from the 179 responses indicate that the needs of the participants include issues related to the collection development policy, the cataloging of e-journals, user education, and evaluation. Therefore, KESLI should provide the following: (1) examples of collection development policy used for reference, (2) system development for e-journal cataloging, (3) materials and program guidelines for user education, and (4) education related to evaluation techniques for e-journal usages.
Nowadays a Virtual Power Plant (VPP) represents an aggregation of distributed energy resource such as Distributed Generation (DG), Combined Heat and Power generation (CHP), Energy Storage Systems (ESS) and load in order to operate as a single power plant by using Information and Communication Technologies, ICT. The VPP has been developed and verified based on a single virtual plant platform which is connected with a number of various distributed energy resources. As the VPP's distributed energy resources increase, so does the number of data from distributed energy. Moreover, it is obviously inefficient in the aspects of technique and cost that a virtual plant platform operates in a centralized manner over widespread region. In this paper the concept of the large-scale VPP which can reduce a error probability of system's load and increase the robustness of data exchange among distributed energy resources will be proposed. In addition, it can directly control and supervise energy resource by making small size's virtual platform which can make a optimal resource scheduling to consider of variable and sensitive load in the large-scale VPP. It makes certain the result is verified by simulation.
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