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This study proposes the optimal voltage and reactive power scheduling with synchronous machines in industrial power system (IPS). The aim is to determine optimum dispatch schedules for on-load tap changer (OLTC), distributed generator (DG) settings and large synchronous motors on the load and DG generation profile in a day. The proposed method minimizes the total operational cost (TOC) considering...
This paper deals with the characteristic analysis of the integrated power system applied for the electric propulsion ships. This includes the electric power system modeling which is accomplished with the electric power network mainly composed of generators, switchboards, variable frequency devices, electric motors, and etc. In addition, performance comparison between the permanent magnet synchronous...
This paper presents the novel implementation of memetic algorithm with GA (genetic algorithm) and MADS (mesh adaptive direct search), which is applied for optimal design methodology of electric machine. This hybrid algorithm has been developed for obtaining the global optimum rapidly, which is effective for optimal design of electric machine with many local optima and much longer computation time...
This paper presents modeling and simulation of electric drive system for a hybrid electric vehicle which consists of a diesel engine, a flywheel-type PM generator and its converter, a Li-ion battery pack, six in wheel-type PM motors and their inverters. Only one set of the six motor/inverter sets is taken into account for the simplicity of modeling, since all of them have the same structure. This...
This paper deals with modeling and characteristic analysis of a large powered electric ship propulsion system. Particularly, electric power system modeling has been accomplished in accordance with the electric power network mainly composed of generators, switchboards, variable frequency devices, electric motors, and etc. In addition, electric power system analysis has been performed via load flow...
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