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As the penetration of electric vehicles increases the number of chargers for these vehicles are also increasing and therefore, will increase the electric energy grid consumption. To integrate these needs with the green energy, the use of electric chargers with a solar photovoltaic installation makes perfect sense. However, these charges can also be used for the support of the reactive power compensation...
The aim of this paper is to analyze dynamics of isolated electrical grid during short term interruptions. The effect of short term interruptions of the power supply on the characteristic values of synchronous generator in autonomous operation is analyzed. Dynamical loads (two induction motors), are connecting to the grid. Short-term interruptions that occur in different moments allow analyze of this...
The purpose of this paper is to show performance characteristics of the reference modification control dc-dc converter which uses neural network and model controls. In the presented method, the neural network controller is used to modify the reference in the proportional control term of the conventional PID control. The neural network controller is repeatedly trained using former predicted data to...
Physical meaning of the instantaneous space vector of salient permanent magnet synchronous machine is studied. For this purpose, we define real physical space vectors. The electromagnetic torque is derived by current and flux densities. A space vector diagram in transient state is derived and discussed.
In this paper, a voltage clamp circuit consists of diode and transformer, which reduces the transient peak switch voltage of the class E amplifier with single dc power supply, is proposed. This clamp circuit clamps the output voltage of the class E amplifier when the amplitude of output voltage goes over the maximum permissible value. Simulation results showed that the proposed diode clamp circuit...
The purpose of this paper is to present a novel reference modification dc-dc converter using the reactor current sensing method and to compared its transient characteristics with the conventional output current sensing method. The proposed method uses the reactor current sensing method with the R-C filter in order to exclude the sensing resistor for the output current sensing method. Moreover, transient...
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