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Demand side management (DSM) can help reduce demand of the system, resulting in less generating capacity and less total production cost in the future. Generally, each DSM activity, e.g., replacing old with new higher efficiency equipment, has its own cost. Its worth in the system may be used as one of the decision components. Therefore, the methodology in evaluating the DSM worth under the framework...
Effect of additive white Gaussian noise on accuracy performance of a six-port reflectometer (SPR) is presented in this paper. Three six-port circuits (sampling line, five-port ring and ideal design) calibrated with different calibration techniques (five and seven standard loads based) are investigated. Mathematical model of a SPR is developed and simulated. To evaluate the accuracy performance of...
In the recent years, high performance computing (HPC) resources has grown up rapidly and diversely. The next generation of HPC platforms is assembled from resources of various types such as multi-core CPUs and GPUs. Thus, the development of a parallel program to fully utilize heterogeneously distributed resources in HPC environment is a challenge. A parallel program should be portable and able to...
This paper presents an optimal controller design of cascade PI controllers for a buck converter using both particle swarm optimization and adaptive tabu search methods. The averaging model of the power electronic system derived from the generalized state-space averaging method is used as an objective function instead of the model from software packages. The simulation results show that the proposed...
In this paper, the impact of renewable energy penetration to Thailand generation system is investigated from 2010 to 2030 by using scenario based analysis. Energy accounting model based on probabilistic method is used to calculate system indices and handle the balance of energy demand and supply. The baseline scenario is developed from Thailand Power Development Plan 2010 (PDP2010), whereas other...
Renewable energy sources are gaining more and more interest because they are sustainable and nonpolluting. Although renewable energy is useful, it can cause voltage violation due to its uncertainty in power output. In this paper, a solution method has been proposed to coordinate dispatchable Distributed Generation (DG) with voltage control devices for optimally regulating voltage profile by using...
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