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Utilization of low-power indoor devices such as remote sensors, supervisory and alarm systems, distributed controls, and data transfer system is on steady rise. Due to remote and distributed nature of these systems, it is attractive to avoid using electrical wiring to supply power to them. Primary batteries have been used for this application for many years, but they require regular maintenance at...
This paper addresses the intermittency of PV energy by supporting it with an energy storage element in order to increase the penetration of renewable energy. A PV grid-tied system composed of photovoltaic module, uni-directional DC to DC converter, bi-directional DC to AC converter and storage battery is proposed. The efficiency of two different system operation options is evaluated and the operation...
This paper presents a state space modeling, simulation and control of permanent magnet brushless DC motors. By reading the instantaneous position of the rotor as an output of the state space mathematical model, the motor can be controlled without the need for any external sensors or position detection techniques. Simulink is utilized, with the assistance of Matlab, to approach a very flexible, yet...
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